(R)-1-Phenyl-1,2-Ethanediol
Product Profile
Apply for Sample| Names | |
|---|---|
| Preferred IUPAC name | (1R)-1-Phenylethane-1,2-diol |
| Other names | (R)-(-)-1-Phenyl-1,2-ethanediol (R)-1-Phenyl-1,2-diol (-)-1-Phenyl-1,2-ethanediol (R)-1-Phenyl-1,2-ethanediol (R)-1-Phenyl-1,2-ethanediol (-)-Ethylene glycol phenyl-(R)- |
| Pronunciation | /ɑːr wʌn ˈfiːnɪl ˌwʌn tuː iːˈθæn.i.daɪ.ɒl/ |
| Identifiers | |
| CAS Number | 22136-76-1 |
| 3D model (JSmol) | `load data "model 3D" {15891};` |
| Beilstein Reference | 1718732 |
| ChEBI | CHEBI:87281 |
| ChEMBL | CHEMBL16212 |
| ChemSpider | 139608 |
| DrugBank | DB08230 |
| ECHA InfoCard | 11d13506-d63e-4b0e-9eb8-d619b91b6f91 |
| EC Number | 1.1.1.222 |
| Gmelin Reference | 82136 |
| KEGG | C05607 |
| MeSH | D055716 |
| PubChem CID | 69968 |
| RTECS number | KK3325000 |
| UNII | 2YKN5SXE5M |
| UN number | UN2811 |
| CompTox Dashboard (EPA) | DTXSID7043644 |
| Properties | |
| Chemical formula | C8H10O2 |
| Molar mass | 138.17 g/mol |
| Appearance | White to pale yellow solid |
| Odor | Odorless |
| Density | 1.16 g/cm³ |
| Solubility in water | Slightly soluble in water |
| log P | 1.06 |
| Vapor pressure | 0.0000221 mmHg at 25°C |
| Acidity (pKa) | 14.4 |
| Magnetic susceptibility (χ) | -82.0×10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.545 |
| Viscosity | 1.32 cP (20°C) |
| Dipole moment | 2.51 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 119.7 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -389.2 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -3604 kJ·mol⁻¹ |
| Hazards | |
| Main hazards | Causes serious eye irritation. |
| GHS labelling | GHS07, GHS05 |
| Pictograms | GHS07 |
| Signal word | Warning |
| Hazard statements | H315, H319, H335 |
| Precautionary statements | P261, P264, P270, P271, P301+P312, P304+P340, P312, P330, P403+P233, P405, P501 |
| Flash point | 107 °C |
| Lethal dose or concentration | LD50 oral rat 1430 mg/kg |
| LD50 (median dose) | LD50 oral rat 2,520 mg/kg |
| NIOSH | SN2261000 |
| PEL (Permissible) | No OSHA PEL assigned |
| REL (Recommended) | 10 mg/m³ |
| IDLH (Immediate danger) | Not established |
| Related compounds | |
| Related compounds | Styrene oxide Phenylacetylene (S)-1-Phenyl-1,2-ethanediol 1-Phenylethanol Phenylglyoxal |
Chemical ID: CAS Formula HS Code Database
Product Identification
| Property | Industry Commentary |
|---|---|
| Product Name & IUPAC Name | (R)-1-Phenyl-1,2-Ethanediol. Common IUPAC name recognizes the chiral configuration, which plays a role in fine chemicals and APIs. In manufacturing, enantiomeric purity demands distinct production and analytical approaches, especially for pharmaceutical and asymmetric synthesis users. |
| Chemical Formula | C8H10O2. The molecular formula underpins all stoichiometry calculations in plant batching, inventory management, and QC quantification. Any deviation from the instructed ratio directly signals process or feedstock irregularity. |
| Synonyms & Trade Names | Synonyms include (R)-(+)-1-Phenyl-1,2-ethanediol, (R)-Styrene Glycol. Some users may refer to it as (R)-Phenyl Ethylene Glycol. These names might appear in customer procurement specs, so documentation cross-references all alternatives to align product tracking through supply chains. Trade names can vary by region unless specified directly by a customer; industry sticks to chemical nomenclature for compliance and product release paperwork. |
| HS Code & Customs Classification | Typical customs classification assigns 2906.29 for other diols, but regional interpretation of HS sub-codes may adjust, depending on national regulations and product end-use declaration. Accurate code determination requires internal review for each consignment, as authorities look for compliance with the local regulatory definitions. Incorrect HS code selection introduces delays at customs and, in some regions, can trigger regulatory investigation. |
Technical Properties, Manufacturing Process & Safety Guidelines for (R)-1-Phenyl-1,2-Ethanediol
Physical & Chemical Properties
Physical State & Appearance
(R)-1-Phenyl-1,2-ethanediol typically appears as a crystalline solid in its purified form. The color ranges from white to pale yellow, with clarity affected by trace impurities such as oxidized phenolic residues or incomplete reduction byproducts. Odor is mild, sometimes faintly sweet. Melting point varies depending on enantiomeric purity and water content. Boiling point is rarely a specification point for most industrial applications, but becomes relevant during distillation-based purification steps. Density shows little variation between grades; minor shifts can occur with solvent inclusion, notably water.
Chemical Stability & Reactivity
Stability depends heavily on water content and storage atmosphere. The presence of trace acids or bases can promote partial oxidation or dehydration. Direct sunlight and prolonged air exposure encourage slow oxidative yellowing. Reactivity with strong acids, oxidants, or dehydrating agents must be considered for scale-up and handling; contact with open air over extended periods, especially in moist environments, leads to minor but notable peroxide formation.
Solubility & Solution Preparation
Solubility in water and polar organic solvents (e.g., ethanol, methanol, acetone) is typically high; compatibility with nonpolar solvents is limited. Solubility figures depend on both enantiopurity and residual salt content, which may arise from catalyst residues or wash water carryover. For formulation, gradual addition to solvent under moderate stirring minimizes clumping and ensures uniform dissolution, especially with higher viscosity grades or those containing minor polymeric impurities.
Technical Specifications & Quality Parameters
Specification Table by Grade
| Parameter | General Grade | High-purity (Chiral) Grade |
|---|---|---|
| Form | Crystalline Solid | Crystalline Solid |
| Color | Pale yellow–White | Bright white |
| Assay (by HPLC/GC) | Typically >98% | Subject to customer requirements |
| Enantiomeric Excess | Not Guaranteed | >99% ee (typical if specified) |
| Water Content (KF) | Grade-dependent | Grade-dependent |
| Total Impurities | Depends on process | Tighter specification; actual value by request |
Impurity Profile & Limits
Key impurities include unreacted starting materials, chiral or achiral epoxides, and reduction byproducts. Trace metallic residues may appear if hydrogenation or transition metal catalysis is applied. The actual limits are controlled internally based on customer requirements and regulatory considerations. Each production batch receives a tailored impurity profile assessment, emphasizing the most common side-products and their toxicological profiles where relevant.
Test Methods & Standards
Primary assay established using HPLC or GC, with chiral columns for enantiopurity assessment when specified. Water content typically measured by Karl Fischer titration. Residual solvents and volatiles are analyzed via GC. The selection of reference methods mirrors both regional regulations and customer specifications, with the final release standard reflecting internal QC protocols verified by collaborative method validation.
Preparation Methods & Manufacturing Process
Raw Materials & Sourcing
Sourcing criteria for styrene oxide or (R)-styrene oxide rest on traceability, purity, and consistency of chiral content. When using chiral pool synthesis, secure supply chains for optically active starting material reduce variability. Raw material screening uses both chemical purity and reactivity profile, factoring in risks of peroxide or other unstable impurities.
Synthesis Route & Reaction Mechanism
Industrial practice typically employs acid- or base-catalyzed hydrolysis of (R)-styrene oxide. Catalysts and conditions depend on cost, yield, and downstream purification demands. Enantiomeric purity remains a major consideration: for achiral grade, direct epoxide ring opening in aqueous acidic or basic media suffices. For chiral-sensitive applications, asymmetric catalytic hydrogenation or enzymatic resolution routes deliver higher levels of enantioselectivity.
Process Control & Purification
The most significant control point falls at the ring-opening or reduction stage, where temperature, pH, and time determine both yield and side-product formation. Purification relies on multiple recrystallization or phase-separation steps; traces of colored or insoluble impurities require activated carbon or chromatography steps for customer-specific high-purity requirements. Batch consistency involves both in-process monitoring and final analytical verification.
Quality Control & Batch Release
Release rests on meeting or exceeding customer-specified limits for assay, enantiomeric purity, impurity profile, and residual solvents. In-process controls include point-of-use checks for intermediate purity and reaction completion. Final approval requires a comprehensive COA per lot, with specific data sets determined by intended application (pharmaceutical, agrochemical, or specialty chemical).
Chemical Reactions & Modification Potential
Typical Reactions
The 1,2-diol group reacts with acylating agents to form esters or cyclic acetals/ketals, commonly under acid catalysis. Phenyl functionality allows for electrophilic aromatic substitution under controlled conditions. Oxidative conditions generate hydroxyketones or diketones, the outcome influenced by catalyst and oxidant choice.
Reaction Conditions (Catalyst, Temperature, Solvent)
Esterification proceeds efficiently in the presence of strong acid catalysts (e.g., sulfuric acid or p-toluenesulfonic acid) and lower alcohols. Dehydration and rearrangement potential rises under elevated temperatures; side product formation requires careful temperature management. Solvent selection typically follows reactant solubility and workup simplicity.
Derivatives & Downstream Products
Common derivatives include cyclic acetals used in specialty polymer and pharmaceutical precursor streams. Selective oxidation pathways lead to high-value building blocks, while selective dehydroxylation opens routes to benzylic and other substituted aromatic alcohols. For customer- or application-driven requirements, modification protocols depend on the target downstream product profile.
Storage & Shelf Life
Storage Conditions (Temperature, Humidity, Light Avoidance, Gas Protection)
Ambient warehouse storage works for standard grade when kept dry and away from direct sunlight. High-purity or chiral grades yield best results under inert atmosphere, controlled humidity, and stable sub-room temperature. Prolonged exposure to air and light accelerates color change and impurity formation, especially at elevated humidity.
Container Compatibility
Standard polyethylene or amber-glass containers suffice for most short-term handling. For long-term or high-purity bulk packaging, nitrogen-flushed, light-resistant drums or bottles are preferred. Avoidance of reactive metals (e.g., aluminum) prevents potential catalysis of slow side reactions, particularly for long-term storage.
Shelf Life & Degradation Signs
Shelf life reflects both storage conditions and contamination control. Key signs of degradation include discoloration, formation of insoluble particulates, and detectable odor shift. Analytical reassessment is recommended for materials held beyond twelve months or exposed repeatedly to air or moisture.
Safety & Toxicity Profile
GHS Classification
The classification for (R)-1-Phenyl-1,2-ethanediol depends on the latest harmonized regional regulations. Standard grades are generally regarded as low acute toxicity, with hazard statements reflecting eye and skin irritation potential.
Hazard & Precautionary Statements
Direct skin and eye contact should be minimized by use of gloves and goggles. Prolonged or repeated exposure, especially to dust or vapor during large-scale charging, calls for respiratory protection depending on risk assessment. Spillage and fire scenarios are managed under standard alcohol handling protocols, with water, carbon dioxide, or foam as preferred extinguishing agents.
Toxicity Data
Acute toxicity reports indicate low systemic hazard by oral or dermal exposure. Inhalation risk is negligible under normal handling conditions for low-volatility solid material. Chronic exposure data remain limited, so best practice keeps operator exposure as low as reasonably practicable for all grades.
Exposure Limits & Handling
Strict exposure limit values have not been established for (R)-1-Phenyl-1,2-ethanediol under most regulatory frameworks. Industrial practice relies on general dust and vapor control standards applicable to non-volatile organic solids. Continuous monitoring and operator training focus on containment, local exhaust, and personal protection to maintain safe working environments.
Supply Capacity & Commercial Terms for (R)-1-Phenyl-1,2-Ethanediol
Production Capacity & Availability
Current output for (R)-1-Phenyl-1,2-Ethanediol hinges on both market pull from chiral intermediate sectors and process optimization at the plant scale. Multi-ton annual output is routine for pharma/intermediate grade, but capacity utilization rates reflect seasonal swings and campaign production cycles. Grade choice strongly impacts availability: higher optical purities require specialized resolution or asymmetric synthesis, reducing practical output per line compared to technical or mixed-racemate production. Backward integration into precursor phenylacetaldehyde and catalyst recovery cycles can address most upstream bottlenecks, provided feedstock volatility is controlled.
Lead Time & Minimum Order Quantity (MOQ)
Batch scale, grade, and required documentation frame typical lead times. Standard chiral grade runs are filled from validated stock for ongoing clients, usually delivered in less than four weeks if analytical release aligns with the campaign schedule. Scale-up requests for custom optical purity or customer-specified specifications may require 6–10 weeks. MOQ reflects process economics; kilo-scale lots common for R&D or pilot customers, but full-scale cGMP/intermediate-grade shipments have proportionally higher MOQs set by vessel charge volumes and campaign batch commitments.
Packaging Options
Packaging varies by grade, destination, and transit sensitivity. Bulk deliveries use sealed PE-lined drums or stainless vessels. Analytical or high-purity grades for pharma application often require double-bagging, inert gas blanketing, or HDPE jerricans. For air- or moisture-sensitive grades (high enantiopurity), secondary containment and tamper-evident seals guard against contamination and cross-exposure during transport.
Shipping & Payment Terms
Standard commercial shipping terms are arranged based on region and regulatory restrictions for chiral building blocks. Hazmat/ADR status is application-dependent; many standard grades qualify for regular freight, but careful documentation of MSDS and TDS particulars is needed if purity or impurity profile triggers regulatory flags. Payment schedules recognize the capital intensity of campaign-based synthesis and may require advance deposits for custom runs, balance due on acceptance of analytical release. Letter of credit preferred for new international partners; rolling credit available to regular industrial end-users post-qualification.
Pricing Structure & Influencing Factors
Raw Material Cost Composition
Feedstock pricing holds the most influence: volatility in benzene, styrene, and key aldehyde intermediates translates directly through to cost of goods. Catalysts (ruthenium, rhodium, chiral ligands) present the next significant lever, particularly for high optical purity runs. Process yield and waste minimization for the workup and resolution steps matter most for cost competitiveness at scale. Solvent recovery and reuse strategies improve margins, but volatility in energy and solvent recycling costs occasionally disrupts modeled input-output expectations.
Causes of Raw Material Price Fluctuations
Main contributors are upstream petrochemical swings, regulatory shifts related to hazardous precursor management, and periodic scarcity of chiral catalyst components. Force majeure events at regional refineries or supply disruptions linked to international logistics—especially for chiral ligand imports—can drive rapid upward adjustments.
Product Price Difference: Grade, Purity, and Certification
Core drivers of differentials stem from optical purity and formal certification for pharmaceutical use. Technical grades without chiral excess specification command lower tariffs and are suited to bulk synthesis where selectivity is not critical. Pharmaceutical or custom grades, supported by batch-specific CoA or cGMP traceability, price at a premium due to the cost of additional impurity testing, release documentation, and smaller, segregated batch runs. Packaging certification (UN-rated, tamper-evident, cold chain, etc.) adds further differentials, especially for air-shipped or regulatory-burdened exports.
Global Market Analysis & Price Trends
Global Supply & Demand Overview
Global appetite for (R)-1-Phenyl-1,2-Ethanediol ties closely to demand peaks in chirally active pharmaceutical intermediates and specialty fragrance synthesis. Asia dominates installed capacity, but demand clusters remain high in Europe, the United States, and Japan, where enantiopure synthesis aligns with regulatory and therapeutic requirements.
Key Economies Analysis: US / EU / JP / IN / CN
United States and EU markets show consistent pull from both drug manufacturers and specialty chemical blenders, driven by more stringent chiral purity norms and documentation requirements. Japan sources largely from domestic producers due to supply chain security protocols and high documentation standards. Indian consumption follows pharmaceutical manufacturing cycles, often favoring technical or racemic grades for downstream synthesis and in-house resolution. China operates the largest production base, anchored by scale and access to upstream raw materials, but experiences more pronounced spot price movement depending on export policy shifts and environmental controls.
2026 Price Trend Forecast
Barring significant feedstock price shocks or major regulatory overhauls, current pricing trends suggest gradual, moderate increases toward 2026. The market expects margin pressure from both continued chiral API growth in emerging markets and long-term supply-side efforts to drive efficiency through recycling and in-line purification. Cost differentiation will sharpen between pharmaceutical and technical grades as analytical release costs and documentation evolve in parallel with regulatory demands.
Data Sources & Methodology
Price discovery references internal monthly index tracking, real-time feedstock quotations from major commodities exchanges, and transaction records for major chiral intermediate orders. Third-party export data compiled from principal trade authorities supplements internal tracking for triangulation, with direct input from annual contract negotiations and regulatory filings where available.
Industry News & Regulatory Updates
Recent Market Developments
Major installations of continuous-flow synthesis lines in East Asia report improvements in batch cycle time and optical purity, improving supply steady-state for pharma-grade product. Energy input reduction achieved through process intensification is trending across principal producers.
Regulatory Compliance Updates
Increased expectations for trace metal impurity profiling for pharmaceutical grades referenced in the latest USP and EP monographs have shaped both internal QC workflow and documentation for export. Shifts in precursor classification at the international level—particularly REACH requirements in the EU and tighter customs scrutiny in North America—directly affect export documentation strategies and process validation timelines.
Supplier Response & Mitigation
Process investment priorities now favor increased in-process control, batch traceability, and analytical sophistication to preemptively address downstream regulatory queries. Feedstock flexibility programs add alternative precursor routes to maintain campaign continuity despite global transport or policy interruptions. Key clients receive real-time regulatory update briefings and are offered joint validation runs to adapt to shifting QC endpoints.
Application Fields & Grade Matching Guide for (R)-1-Phenyl-1,2-Ethanediol
Industry Applications
The use of (R)-1-Phenyl-1,2-Ethanediol runs through high-value segments of pharmaceutical intermediates, fine chemicals, chiral building blocks, and certain flavors and fragrances synthesis routes. In practice, pharmaceutical projects often dictate the highest optical and chemical purity, while other sectors prioritize cost, processability, or compliance with specific downstream regulatory standards. This split in demand structure impacts how we tailor manufacturing and purification controls for each order.
Grade-to-Application Mapping
| Application | Typical Grade Requirement | Key Properties Monitored |
|---|---|---|
| Pharmaceutical API Synthesis | Pharma grade; high enantiomeric excess | Chiral purity, total impurity levels, trace solvent content, heavy metals |
| Chiral Intermediate for Fine Chemicals | Technical grade or custom-tailored | Chiral ratio, residual starting material, process solvent carryover |
| Flavor & Fragrance Ingredients | Technical/food grade (if permitted) | Aroma profile, permitted residuals, allergen reporting, optical purity |
| Analytical Reference Standard | Analytical grade | Purity traceability, batch-to-batch consistency, certificate-backed values |
Key Parameters by Application
Chiral Purity (Enantiomeric Excess)
Pharma projects most heavily impact our enantioselective synthesis design and purification train. Achieving and documenting chiral purity remains sensitive to route selection and catalyst choice. We confirm optical purity using chiral HPLC or GC, with batch records supporting traceability. For non-pharma users, optical purity targets are discussed before process parameters are set.
Chemical Purity and Impurity Profile
Total purity is closely linked to the isolation method and raw ingredient control. Solvent residues in pharma and food-dependent applications trigger additional distillation or crystallization steps. Heavy metal residues are controlled at key points by prequalified raw supplies and validated by ICP analysis on representative batches.
Residual Solvents
Purification efficiency sets the practical lower limit for residual solvent content. We adjust the number and rigor of solvent stripping steps by intended use, with pharma and food grades requiring release tests at each lot level.
Aroma and Trace Impurities
For clients targeting olfactory-sensitive applications, we identify critical aroma-contributing residues. Flavors and fragrances batches undergo extra-fine distillation under controlled vacuum to ensure a stable sensory profile.
How to Select the Right Grade
Step 1: Define Application
Clarity on the end use allows for early decision-making on synthesis pathway, purification system, and analytical certification. The specific downstream application—such as GMP pharmaceutical synthesis—dictates everything from approval procedure to packaging selection.
Step 2: Identify Regulatory Requirements
Each segment has distinct regulatory or customer-mandated release thresholds. For pharmaceuticals, we align final quality control with pharmacopoeial methods or customer specifications and supply the full compliance documentation set. Other applications may rely on internal or industry consensus standards for purity, chiral ratio, or contaminant limits.
Step 3: Evaluate Purity Needs
The purity cut-off reflects a combination of technical, regulatory, and commercial expectations. If a project tolerates lower chiral selectivity or larger process impurity bands, process routes may be simpler, lowering cost. We use direct analytical comparison of different grades for each order.
Step 4: Consider Volume and Budget
Production cost fluctuates strongly with batch size, isolation complexity, and grade level. For pilot-scale pharma batches, costs rise for each additional purification or analytical checkpoint. Technical grades for process intermediates may ship in bulk with lower documentation overhead, reflecting the needs of high-throughput customers.
Step 5: Request Sample for Validation
We encourage direct application testing with small batch samples, especially for projects with unique processing steps. Application-specific verification reduces downstream risk, supporting scale selection and minimizing unforeseen purification challenges. Results from validation work feed back into the production and quality strategy for ongoing supply.
Trust & Compliance: Quality Certifications & Procurement Support for (R)-1-Phenyl-1,2-Ethanediol
Quality Compliance & Certifications
Quality Management Certifications
Our production facilities adhere to established international quality management frameworks, supporting strong oversight of batch-to-batch consistency. Certification scope is driven by the audit demands from both regulatory agencies and anchor-account pharmaceutical and fine chemical customers. For (R)-1-Phenyl-1,2-Ethanediol, management system certification such as ISO 9001 is routinely maintained through independent surveillance audits. This type of systematized control confirms both in-process tracking and final lot traceability.
Product-Specific Certifications
Conformance documentation for (R)-1-Phenyl-1,2-Ethanediol is determined by actual end-use and regional authority requirements. For pharmaceutical or specialty chemical use, release documents can include detailed impurity profiles, chiral purity data, and validation protocol evidence. All release documentation follows internally defined acceptance criteria, which are tailored to the required grade and agreed-upon product specification. Our approach allows the release standard to be updated for emerging regulatory or pharmacopeial changes upon mutual determination with the application end-user.
Documentation & Reports
Each shipment is accompanied by a Certificate of Analysis, confirming product specification conformity. Additional reports, such as Process Batch Records, Residual Solvent Listings, and Third-Party Test Reports, are provided as requested and subject to commercial agreement. All test parameters—optical rotation, enantiomeric excess, and chemical purity profiles—are method-validated and carried out in accordance with current laboratory best practices. Specifications and the list of supplied reports depend on the product variant, the process route, and customer-defined requirements.
Purchase Cooperation Instructions
Stable Production Capacity Supply and Flexible Business Cooperation Plan
Production planning for (R)-1-Phenyl-1,2-Ethanediol emphasizes both core supply capacity and peak-shaving flexibility to manage cyclical or scale-up projects. Annual output volumes and reserve capacity are established based on contracted demand and anticipated buffer requirements. Updates in capacity, route adjustment, or process yield improvements are communicated transparently to avoid downstream supply disruption. Flexibility is built into cooperation terms, including volume-based scaling, dual-source contingency options, and agile schedule revision for project-based orders.
Core Production Capacity and Stable Supply Capability
Raw materials and chiral catalysts are sourced through long-term agreements with critical suppliers, minimizing risks of single-point failures. Plant scheduling utilizes a rolling forecast aligned with customer pipeline advance notice. Key control points—such as target enantiomeric excess and impurity cut-off—are closely monitored at multiple purification steps, supporting reproducible outcomes aligned to specification-driven expectations. Final release follows completion of all in-process controls and resolution of any deviations during QA review, ensuring supply continuity.
Sample Application Process
Sample size, grade, and associated documentation are matched to the customer’s evaluation scope. Upon receipt of a detailed request, technical staff confirm feasibility and provide projected batch reference, logistics timeline, and associated certification summary. Typical lead time for sample provision aligns with batch campaign cycle and laboratory slot availability. Special requests—such as custom packaging or tailored impurity analysis—require direct coordination to ensure accurate and timely delivery.
Detailed Explanation of Flexible Cooperation Mode
Cooperation modes for (R)-1-Phenyl-1,2-Ethanediol adapt to commercial realities, such as demand pulses for new drug development or ongoing process scale-out. For project-based or R&D-driven demand profiles, smaller batch reservations with rapid schedule reassessment are built into the supply plan. For established, steady-state consumption, release scheduling, quantity locks, and revision windows reflect both operational and inventory efficiency goals on both sides. Each cooperation mode finds its structure through open discussion of project or regulatory timing, anticipated order variability, and tiered technical document requirements.
Market Forecast & Technical Support System for (R)-1-Phenyl-1,2-Ethanediol
Research & Development Trends
Current R&D Hotspots
Interest in (R)-1-Phenyl-1,2-Ethanediol aligns closely with ongoing demand in chiral synthesis. Pharmaceutical intermediates manufacturing maintains a focus on optical purity and stereochemical control, especially as regulatory and market pressure for single-enantiomer APIs persists. In production, most innovation centers on optimizing enantioselective synthesis, including asymmetric catalysis and enzyme-mediated routes. Suppliers capable of maintaining batch-to-batch enantiomeric excess backed by validated chiral analysis remain positioned for partnering on critical path projects.
Emerging Applications
Beyond active pharmaceutical intermediates, recent collaborations with agrochemical firms point to increased screening of chiral building blocks for crop protection candidates. Diagnostic reagent development has picked up interest in higher-purity grades, especially in biosensor calibration. Inquiry volumes suggest that downstream usage is shifting towards integrated synthesis lines demanding fewer impurities and predictable behavior in further synthetic steps.
Technical Challenges & Breakthroughs
Impurity profile management is a frequent challenge, particularly for customers specifying ultra-low threshold levels for enantiomeric and achiral side products. Grade-dependent requirements drive decisions regarding raw material origin, catalyst recovery, and solvent system selection. Advanced chromatography and continuous crystallization are under study to push yield and reproducibility. Process intensification for higher throughput and lower environmental impact is under pilot-scale evaluation, balancing energy input, waste minimization, and batch consistency. Not every approach suits all downstream processes; application-driven consultation determines feasible process upgrades.
Future Outlook
Market Forecast (3-5 Years)
Global capacity and consumption are expected to increase moderately as more pharmaceutical and agrochemical syntheses shift to chiral-specific routes. Bulk demand remains steady in established regions, while emerging markets in Asia and South America contribute episodic, project-driven buying patterns. Pricing and lead time fluctuations track closely with precursor benzene derivatives and energy costs, with some volatility predicted due to upstream supply concentration. End-user qualification cycles will extend adoption rates in regulated sectors.
Technological Evolution
Process flexibility forms the foundation for meeting dynamic product grade expectations. Upgrading in-line monitoring—chiral HPLC, NMR, and other analytical methods—supports earlier detection of process deviations, reducing rework and waste. Customers pursuing green chemistry certifications drive exploration into bio-based catalysts and regiospecific enzymatic methods. Continuous-flow processes are gaining traction in higher-volume settings, confining hazards and enhancing purity in each lot. Critical process step selection depends on required chiral purity, and degree of downstream integration in the customer's synthetic route.
Sustainability & Green Chemistry
Raw material sourcing is pivoting towards renewable feedstocks where technically possible. Waste and solvent recycling programs form part of plant operations, with solvent recovery efficiency becoming an internal KPI. Volatile organic compound (VOC) minimization plays into process design for both regulatory compliance and community relations. End-of-pipe treatments and in-process solvents substitution are prioritized for projects with clients requiring full lifecycle data. We maintain technical dialogue with customers demanding plant audit support and life cycle impact documentation, particularly for supply contracts associated with multinational environmental policies.
Technical Support & After-Sales Service
Technical Consultation
Our technical service team provides application-sensitive consultation from initial inquiry through post-delivery usage evaluation. Support covers raw material traceability, specs customization to meet regulatory filings, and root cause analysis for formulation incompatibilities. Differences in impurity allowable thresholds, solubility requirements, and reaction compatibility with downstream steps are discussed openly with client R&D and QA groups at the project definition stage.
Application Optimization Support
Optimization collaboration extends into pilot and plant-scale trials, with a focus on processing conditions such as solvent compatibility, filtration behavior, and crystallization yield. For customers encountering solubility or blending issues, we examine grade selection—microbial, heavy metal, or enantiomeric purity—and provide specific recommendations based on observed processing bottlenecks. Custom packaging and handling advice minimizes contamination and degradation between delivery and use in moisture- or oxygen-sensitive operations.
After-Sales Commitment
After delivery, technical follow-up addresses in-use performance evaluation and documentation support for regulatory compliance. Access to product lot history, change control notifications, and continuous improvement feedback channels is maintained throughout product lifecycle. For ongoing contracts, we commit to quality review meetings and proactive notification of process or supply chain changes which might impact customer qualification status or product performance in sensitive applications.
(R)-1-Phenyl-1,2-Ethanediol: Manufacturer's Perspective on Consistent Supply for Industrial Processes
Manufacturing Focus and Process Control
Producing (R)-1-Phenyl-1,2-ethanediol draws on established chiral synthesis methods, monitored from raw material intake through final packaging. Process controls start at ingredient qualification. We oversee reaction parameters and downstream work-up using in-process testing, with analytical confirmation at every stage. By holding critical steps in-house, batch reproducibility is maintained and any process drift receives immediate correction. Robust manufacturing standards have anchored supply programs for pharmaceutical and fine chemical sectors seeking enantiomeric purity.
Industrial Applications and End-Use Integration
Large-scale demand for (R)-1-Phenyl-1,2-ethanediol comes from pharma intermediate synthesis, specialty polymers, and select agrochemical pathways. Chiral alcohols like this material help forge complex molecules by offering stereochemical control at key coupling or reduction steps. Small molecule API producers benefit from high-purity grades where optical rotation consistency minimizes downstream rejection rates. In epoxy curing and resin technologies, the compound’s diol structure introduces tailor-made crosslinking mechanics. These applications rely on stable, spec-compliant inputs.
Product Consistency and Quality Management
Continuous batch testing, from intermediates onward, sets the foundation for lot reproducibility. Each lot undergoes rigorous chiral HPLC/QC analysis to confirm optical rotation and impurity control. We document and retain manufacturing histories, enabling process verification on request. Zero deviation in physical properties, such as melting range and moisture level, forms the baseline for our release criteria. Stability samples support shelf-life validation so end users receive material that performs as specified through the intended processing window.
Packaging Solutions and Global Shipping Scale
Packaging starts at the filling station where all containers get nitrogen-flush and tamper verification before shipment. Industrial orders go in steel drums or HDPE carboys, sealed according to chemical compatibility. Finished goods can move via palletized or isotank lots to match customer capacity, whether that involves laboratory-scale evaluation or full-scale commercial use. Direct integration with major logistics groups enhances timely, documented handoff at port or facility gate. Every consignment tracks back to a dedicated batch, with online access to quality documents.
Technical Support and Collaborative Approach
Our technical support team works alongside customer R&D and operations. Assistance includes providing pre-shipment samples, interpreting impurity profiles, and troubleshooting issues that emerge in pilot production. Joint process reviews enable adaptation of our chiral alcohol grades to new synthesis schemes. We regularly host technical exchanges on process optimization, impurity management, and alternative packaging to suit dedicated site needs.
Delivering Value for Manufacturers and Procurement
Direct production control lets us maintain transparent pricing, secure supply continuity, and react quickly to changing order forecasts. By holding specification ownership, we minimize delays linked to spec revision or quality discrepancies. This approach builds resilience across a supply chain increasingly focused on traceability and audit-worthiness. Distributors and procurement teams gain upstream visibility and risk reduction from a factory with full material traceability systems.
| Key Attribute | Benefit to Industry |
|---|---|
| Direct manufacturing oversight | Stable pricing, batch repeatability |
| Chiral purity verified | Process consistency for pharma R&D |
| Multiple packaging formats | Integration to production line scale |
| On-call technical support | Faster process troubleshooting, application flexibility |
| Audit-ready quality systems | Supply chain transparency for manufacturers and procurement |
Industrial FAQ
What is the enantiomeric purity (enantiomeric excess) of the (R)-1-Phenyl-1,2-Ethanediol provided?
Precision in Asymmetric Synthesis
As a producer of (R)-1-Phenyl-1,2-Ethanediol, we have invested in both technology and expertise needed to deliver materials suited for enantioselective applications—whether in pharmaceuticals, chiral intermediates, or fine chemicals. In asymmetric syntheses, the value of a chiral building block rises and falls with its enantiomeric purity. Subtle differences in chiral purity ripple through to downstream reactions, which can influence both yield and the properties of the finished compound. Our technical team tracks enantiomeric excess (ee) at multiple stages, because a stray percentage point can mean wasted time or unqualified material in a tightly controlled process.
What We Mean by “Enantiomeric Purity”
Enantiomeric purity tells you how much more of the desired enantiomer is present compared to its mirror image. In the case of (R)-1-Phenyl-1,2-Ethanediol, a high enantiomeric excess proves that the synthesis favored the (R)-enantiomer. Pharmaceutical R&D and specialty manufacturing often require an ee above 98%. Lower chiral purity risks unwanted biological responses or altered interaction profiles. Technical specifications without strict chiral control translate to unpredictable results, wasted reagents, and delayed project timelines. We test every batch with validated chiral chromatography to give a clear quantification of the (R) to (S) ratio.
Analytical Methods and In-House Controls
On our production floor, analytical reliability matters as much as synthetic skill. We use chiral HPLC or GC methods with calibrated reference standards. These are not generic instruments calibrated once per year, but part of a tightly managed quality system. Our staff revalidates the separation and detection chemistry regularly, so each certificate of analysis reports actual results from the final production batch—not historical averages or interpolations. We retain representative samples from production runs for later retesting if clients need batch traceability further down the line.
What Drives Chiral Purity in Manufacturing
Securing an enantiomerically pure product starts with process route selection. Wherever possible, we employ chiral catalysts, resolved racemates, or biocatalytic steps to favor the (R)-enantiomer. After synthesis, every batch is subjected to resolution or recrystallization to push the ee as high as process economics allow. This extra purification step might add cost, but it delivers commercial consistency and scientific credibility for our partners.
Specifications and Customization
Our standard (R)-1-Phenyl-1,2-Ethanediol specification exceeds 98% enantiomeric excess, which accounts for tight project requirements in commercial and research settings. For applications with more stringent chiral demands, we work closely with clients to introduce additional purification or to design a custom route that aligns with specific end uses. We provide detailed COA documentation for each shipped lot, including the precise enantiomeric excess and analytical chromatograms.
Supporting Customers With Technical Transparency
Clients with project-specific needs routinely ask for proof of enantiomeric purity and for technical support related to downstream chemistry. Our technical team remains available to share detailed analytical data, explain control points in our process, or advise on storage and handling practices that preserve chiral integrity to the point of use.
Maintaining Confidence in Chiral Building Blocks
Chemists and formulators expect honesty and traceability in their molecular building blocks. Through systematic process management, real data, and a willingness to push for even higher levels of chiral purity when required, we maintain the trust placed in our materials. Our enantiomeric purity for (R)-1-Phenyl-1,2-Ethanediol reflects both our technical capabilities and our commitment to helping clients achieve reproducible, regulatory-compliant results in their own laboratories.
What are the available pack sizes and lead times for bulk orders of (R)-1-Phenyl-1,2-Ethanediol?
The practical realities of commercial-scale chemistry show up every day in our filling house. Years of direct experience producing (R)-1-Phenyl-1,2-Ethanediol have made it clear that packaging choice and reliable scheduling shape most of our customer’s planning. Orders rarely fit one pattern, so we’ve kept our approach plain: efficient drum and container options, direct production-to-shipment scheduling, and frank communication about what we can achieve on timelines—or what’s needed for larger custom runs.
Pack Sizes We Offer
Most commercial customers take delivery in either 25 kilogram fiber drums or 200 kilogram steel drums. We run these drum types on a regular schedule, and our filling and sealing procedures have been shaped by the requirements of export shipping and domestic warehousing. When a site needs something other than the norm, mass-flow IBCs (Intermediate Bulk Containers) up to 1,000 liters are also possible, but almost everyone in the active pharmaceutical and specialty chemical markets prefers steel or fiber because of ease of handling and storage segregation. For process validation, smaller 1 kg and 5 kg polyethylene-lined pails are available, but these don’t fit the logistics model for ongoing bulk supply.
The packaging materials and lining we select are compatible with aromatic diols, offering both chemical resistance and protection from atmospheric moisture. Over the years, we’ve done our fair share of stability checks on product held in different drums, so we stick with designs that prevent caking and provide easy drum opening and resealing at your facility. We can provide detailed specifications for our drum coatings and seals upon request.
Lead Time for Bulk Orders
The lead time for (R)-1-Phenyl-1,2-Ethanediol reflects the batch-production model we run. Our standard timeline for in-stock materials is 7 to 10 days from order confirmation to shipment out of our warehouse. During peak periods or for larger batches—those exceeding 2 metric tons at once—we regularly see scheduling push out to 3 to 4 weeks. We assign a dedicated production slot for every multi-drum order and start with fresh raw material checks and documentation as part of our GMP alignment.
Forecast consistency helps. Regular clients who trigger monthly or quarterly call-offs secure faster turnaround than one-off bulk orders. To reduce risks of gaps, our supply planning team maintains a forward schedule that prioritizes repeat customers and ensures production buffers are in place for sensitive timelines. Any move towards custom packaging or special purity grades can add days to the lead time, so early confirmation of order details speeds things up for everyone involved.
Supporting Factories and Supply Chains
Our logistics team directly manages shipping paperwork and coordinates with trusted carriers for both export and domestic routes. Every shipment leaves our factory with traceable lot records and Certificate of Analysis. If new regulations or customer country-requirements change, we adopt those into the packaging workflow right away without pushing that burden back upstream.
Our on-site technical group can answer specific questions about drum conditions, shelf life, or suggested handling protocols. We regularly audit our packaging suppliers and spot-check outgoing shipments to keep our standards tight. In the rare event that a drum doesn’t meet our filling specs, it’s removed from the line and repacked; no batch is cleared unless it meets our long-standing QA standards.
We believe in clear, practical answers, so if your team needs non-standard drums, validated documentation, or site-specific labeling, involving us early achieves better results. As direct manufacturers, we stand behind delivery promises, invest in better packaging, and prioritize transparent scheduling above all else.
Are there any special shipping requirements or regulatory restrictions for importing (R)-1-Phenyl-1,2-Ethanediol into our country?
Producing (R)-1-Phenyl-1,2-Ethanediol from raw material to finished product, we understand the importance of getting this compound safely into the hands of customers around the world. Each country approaches chemical import with its own set of guidelines. Our experience as longtime direct manufacturers shapes the way we prepare every shipment.
Understanding the Regulatory Landscape
Across jurisdictions, (R)-1-Phenyl-1,2-Ethanediol occupies a unique space. In our daily operations, we stay up to date with regulatory developments from agencies such as REACH in the European Union, TSCA in the United States, and emerging frameworks in regions across Asia and the Americas. This proactive stance ensures our clients receive products that are not only high-purity but meet the customs and safety standards of their country. No regulatory ambiguity—only compliance, traceable from batch records to export documents.
Certain countries classify mono- and diols with regulatory oversight, so details matter. If a country designates (R)-1-Phenyl-1,2-Ethanediol as a controlled precursor or flag it due to stereochemistry-specific applications, customs clearance slows down. Over the years, we have handled export and import permits, pre-registration notifications, and provided materials safety data sheets tailored to the destination language and legal requirements. This preparation reduces hold-ups, prevents consignment delays, and strengthens the assurance required by local authorities.
Packing, Labeling, and Transportation Requirements
Safe handling starts on our production floor. (R)-1-Phenyl-1,2-Ethanediol leaves our facilities in approved UN-rated drums or HDPE containers, sealed and labeled according to GHS standards. For air and sea freight, our logistics team prepares the full documentation set: certificate of analysis, MSDS, dangerous goods declaration where required, and the appropriate shipping marks. We track the regulatory status through each stage of transit, working closely with logistics partners to navigate customs codes and HS classifications specific to chemical goods.
In practice, some regions expect proof the imported shipment aligns with end-use declarations or request additional documentation through their chemical inventory checkpoints. Our compliance officers handle these requests directly, certified with a track record of successful clearances. The goal stays the same: cargo arrives intact, compliant, and ready for immediate downstream use.
Mitigating Delays and Ensuring Peace of Mind
We have encountered cases where insufficient documentation or lack of awareness regarding changes to precursor substance laws delayed project timelines on the customer side. By integrating regulatory review into our order workflow, such disruptions do not become an issue for our clients. All technical inquiries—ranging from tolerance specifications to container security or chain-of-custody record-keeping—are reviewed by our in-house compliance and technical teams before dispatch. This approach upholds both safety and business continuity for our partners.
Our Commitment as Direct Manufacturers
Our approach draws from decades of hands-on production and international chemical trade. Every time we ship (R)-1-Phenyl-1,2-Ethanediol abroad, our team runs through the necessary verification. We work with transparency, traceability, and a deep respect for the legal and safety responsibilities that come with global commerce. For any customer navigating new or unfamiliar import requirements, our specialists provide guidance grounded in real manufacturing experience—not third-party speculation. Safety, compliance, and reliability start at our facility and follow each shipment until final delivery.
Technical Support & Inquiry
For product inquiries, sample requests, quotations or after-sales support, please feel free to contact me directly via sales3@ascent-chem.com, +8615365186327 or WhatsApp: +8615365186327