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(R)-(+)-1-Phenylethanol

    • Product Name (R)-(+)-1-Phenylethanol
    • Alias (R)-(+)-1-Phenyl ethanol
    • Einecs 211-894-6
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    HS Code

    906547

    Chemical Name (R)-(+)-1-Phenylethanol
    Cas Number 3228-02-2
    Molecular Formula C8H10O
    Molecular Weight 122.16
    Appearance Colorless liquid
    Optical Rotation [α]D20 +45° (neat)
    Boiling Point 218-220°C
    Melting Point -27°C
    Density 1.02 g/cm³ at 20°C
    Refractive Index n20/D 1.526
    Purity Typically ≥98%
    Solubility Slightly soluble in water; soluble in ethanol and ether

    As an accredited (R)-(+)-1-Phenylethanol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing (R)-(+)-1-Phenylethanol is supplied in a 100 mL amber glass bottle with a secure screw cap and clear labeling.
    Shipping (R)-(+)-1-Phenylethanol is shipped in tightly sealed, chemical-resistant containers to prevent leaks and contamination. It is typically transported under ambient conditions, away from sources of ignition and incompatible substances. Proper labeling and documentation ensure compliance with safety and regulatory standards during transit to laboratories or industrial facilities.
    Storage (R)-(+)-1-Phenylethanol should be stored in a tightly sealed container, away from light and moisture, at room temperature (15–25°C). Keep it in a well-ventilated, dry area, separated from incompatible substances such as strong oxidizers. Ensure proper labeling and avoid sources of ignition. Store in accordance with standard chemical safety protocols to maintain stability and prevent contamination.
    Application of (R)-(+)-1-Phenylethanol

    Applications of (R)-(+)-1-Phenylethanol in Industrial Manufacturing

    (R)-(+)-1-Phenylethanol is widely used as a high-purity chiral building block and performance additive in multiple industrial downstream sectors. The following application scenarios highlight its specific contributions, formulation methods, regulatory compliance, and the types of final products manufactured by industry leaders.

    1. Pharmaceutical Intermediate for Chiral Drug Synthesis

    Major pharmaceutical producers use this material in the stereoselective construction of active pharmaceutical ingredients, especially in synthesis platforms for beta-blockers, anti-hypertensives, and CNS actives. Production must comply with stringent GMP protocols throughout the multi-step synthesis. The compound enters the process typically after early-stage coupling, serving as a chiral auxiliary or asymmetric transformation agent. Final APIs rely on this key intermediate to ensure batch-to-batch enantiopurity, supporting global regulatory submissions and commercial drug manufacturing.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • USP and EP monograph specifications
    • FDA 21 CFR Part 211
    • Chiral purity requirements per DMF/CEP filings

    Typical usage ratio

    • 0.5–1.5 molar equivalents against target substrate; ratio depends on the specific API and route changeover

    Downstream process integration

    • Introduced in enantioselective formation or resolution step
    • Employed prior to critical coupling or reduction
    • Isolation and purification before downstream functional group interconversion
    • QC monitoring of enantiopurity during and after incorporation

    Final product types

    • Chiral intermediates for beta-blockers (e.g., propranolol analogues)
    • Stereospecific APIs for anti-hypertensives and CNS medications
    • Advanced building blocks for oncology molecules
    • Precursor for enantiopure excipients

    2. Fine Fragrance Ingredient in Luxury Aroma Compounds

    In the high-end aroma chemicals sector, (R)-(+)-1-Phenylethanol imparts a delicate floral note and boosts complexity in formulations for luxury perfumes and personal care bases. Perfume houses and fragrance compounders incorporate this material during late blending to achieve a finished profile meeting IFRA and REACH guidelines. Accurate dosing is essential for olfactory balance and regulatory labeling, while quality control teams check for contamination and chiral purity to avoid off-note formation.

    Industry compliance standards

    • IFRA Global Fragrance Standards
    • EU REACH Annex XVII
    • ISO 9235:2013 (Aromatic Raw Materials–Vocabulary)
    • Cosmetic Ingredient Review (CIR) guidelines

    Typical usage ratio

    • 0.3–2.0% mass fraction in fragrance oil concentrates; values tailored per finished product type and blend stability

    Downstream process integration

    • Incorporated during late stage mixing in perfume oil manufacturing
    • Blended with other alcohols and esters for enhanced top and middle notes
    • Solubilized under controlled temperature (15–25°C) to prevent degradation
    • Monitored for chiral integrity during stability testing

    Final product types

    • Parfums and eau de toilettes
    • Premium cosmetic creams and lotions
    • Personal care fragrance bases
    • Laundry care and air freshener oils (luxury segment)

    3. Chiral Auxiliary in Agrochemical Synthesis

    Agrochemical manufacturers apply (R)-(+)-1-Phenylethanol as a chiral auxiliary during the synthesis of selective herbicides and fungicides. Its presence enables stereocontrolled transformations, especially in the stepwise creation of active crop protection agent isomers. Compliance with international agricultural chemical standards is essential because downstream products enter regulated supply chains. Process engineers adjust usage levels according to reaction mechanism and desired selectivity in the target isomer.

    Industry compliance standards

    • FAO/WHO Food Safety Guidelines for Pesticide Residues
    • EU Regulation No 1107/2009 on Plant Protection Products
    • China GB standards for agrochemical intermediates
    • ISO 17025:2017 laboratory testing for isomeric purity

    Typical usage ratio

    • 0.5–1.2 molar equivalents against chiral center precursor, typically adjusted per catalyst loading and process yield optimization

    Downstream process integration

    • Introduced during enantioselective transformation or as a temporary protecting group
    • Isolated after the formation of the chiral center and recycled if process allows
    • Monitored via HPLC/GC for isomeric integrity
    • Cleaved at intermediate or penultimate synthetic step

    Final product types

    • S-enantiomer agrochemical actives (herbicides, fungicides)
    • Building blocks for pheromone analogues
    • Crop-specific bioactive ingredients
    • Formulated liquid and granular plant protection products

    4. Chiral Reference Material in Analytical Laboratories

    Certified analytical reference laboratories and QC arms of industrial manufacturers deploy this material as a standard for chiral purity testing using HPLC, SFC, and GC methods. Laboratories require traceable lots and document COA-backed purity for reliable calibration and proficiency testing. Stringent metrology and material handling minimize cross-contamination and signal drift during instrument qualification and batch release.

    Industry compliance standards

    • ISO 17034:2016 for reference material producers
    • USP General Chapter <1225> Validation of Compendial Procedures
    • FDA and EMA analytical method validation requirements
    • ISO/IEC 17025:2017 testing and calibration standards

    Typical usage ratio

    • 1–10 mg per injection standard, depending on instrument sensitivity and linearity range; adjusted for repeat calibration cycles

    Downstream process integration

    • Weighing and dilution in analytical grade solvents
    • Preparation of calibration curves for HPLC, SFC, or GC analysis
    • Used as a comparison standard in batch release testing
    • Stability monitored under cold-chain or inert atmosphere

    Final product types

    • Certified analytical reference standards
    • Chiral purity control kits for pharmaceutical QC
    • Custom assay reagents for method validation
    • Calibration materials for contract testing labs

    5. Flavoring Component for Food-Grade Aroma Production

    Food additive manufacturers that supply aroma blends to the beverage and confectionery sector employ (R)-(+)-1-Phenylethanol for its mild, rose-like flavor notes. Use aligns with global food safety and additive regulations, requiring full traceability and toxicological risk assessment. Dosing levels are tightly controlled based on solubility, sensory thresholds, and product formulation architecture, with QC oversight to prevent off-flavors and maintain reproducible taste.

    Industry compliance standards

    • FCC (Food Chemicals Codex) purity requirements
    • EU Regulation (EC) No 1334/2008 on flavorings and food ingredients
    • US FDA 21 CFR §172.515 (Synthetic Flavoring Substances)
    • JECFA (Joint FAO/WHO Expert Committee on Food Additives) recommendations

    Typical usage ratio

    • 5–50 ppm in finished beverage or confectionery; customized per matrix and legal maximum residue limits

    Downstream process integration

    • Added after thermal processing to prevent volatilization
    • Dispersed in food-grade carriers (propylene glycol, ethanol)
    • Tested in pilot scale blends before full production run
    • Retention tested under various packaging and storage scenarios

    Final product types

    • Beverage aroma compounds (rose, floral and berry)
    • Confectionery flavors for candy, chewing gum, and bakery fillings
    • Ready-to-use flavor blends for dairy and yogurt products
    • Fruit flavor toners for low-alcohol beverages
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    Certification & Compliance
    More Introduction

    (R)-(+)-1-Phenylethanol: Precision and Performance from the Source

    The Value of True Chirality in (R)-(+)-1-Phenylethanol

    In today’s fine chemical market, genuine enantiomeric purity means more than a line on a specification sheet. As direct manufacturers, we pay close attention to the nuances that distinguish (R)-(+)-1-Phenylethanol from its racemic or (S)-isomer counterparts. Consistent enantiomeric excess changes the game for developers in the pharmaceutical, agrochemical, and fragrance fields. Experience has taught us that even minor differences in stereochemistry can dramatically shift reaction outcomes or alter sensory profiles. Purity is not a checkbox; it drives the performance, reliability, and reputation of downstream products. For synthetic chemists, optically pure (R)-(+)-1-Phenylethanol lets you steer toward the right bioactive form, safe in the knowledge that no shadow of the unwanted isomer will compromise your synthesis.

    Specifications That Matter

    Every batch of (R)-(+)-1-Phenylethanol we produce stands out due to a combination of high assay, tight residual solvent controls, and careful milestone checks during and after isolation. The right optical rotation assures chiral purity, while our GC data confirms the absence of critical by-products. We prioritize minimizing water and residual solvents, as trace contamination can disrupt downstream hydrogenations or oxidations. When analytical records flag an outlier, we investigate rather than compromise—because once material leaves our plant, its quality becomes part of another company’s product. In practice, this kind of quality management gives research teams the assurance they deserve for method development or scale-up.

    Understanding Usage: Beyond the Data Sheet

    Chemists and formulators pick (R)-(+)-1-Phenylethanol for reasons born of experience, not just catalog numbers. In asymmetric synthesis, this chiral alcohol acts as both a building block and a resolving agent, giving access to structurally sophisticated motifs that can open intellectual property space. Drug designers see it as a launchpad for beta-blockers, antihypertensive candidates, and new CNS compounds, all because it delivers the exact chirality required to target enzymes and receptors. Agrochemical producers value it for crafting enantiomerically pure plant protectants that improve selectivity and reduce environmental loading. The same molecule also finds a role in the fragrance industry, where (R)-(+)-1-Phenylethanol’s subtle difference from the (S)-form yields unique floral top notes with longer-lasting brightness.

    Our years in production have shown that, for many researchers and manufacturers, availability of consistently pure (R)-(+)-1-Phenylethanol is often the limiting factor in shifting promising bench-scale chemistry into robust plant production. Mishaps—such as running into mixed-isomer supplies—lead to failed screens or lab-scale setbacks, which can cascade into wasted months. Reliable sourcing straight from the original manufacturer offers more than just batch traceability; it helps scientists work with confidence, free from the uncertainty of sketchy intermediaries or diluted product history.

    The Differences That Define Us

    Over years of direct synthesis and customer feedback, it has become clear that (R)-(+)-1-Phenylethanol is not interchangeable with its (S)- or racemic versions. Biocatalysis projects, for instance, hinge on having enantiopure starting materials because most enzymes only ‘see’ one mirror image. Antibiotic design often relies on a single chiral center for selectivity—using the wrong hand means wasting time and resources. In perfumery, subtle differences in scent throw and longevity trace directly to the stereochemistry at the ethanol group; a perfumer’s trained nose cannot be fooled by racemates.

    Working at the scale where minor batches become production runs has given us a practitioner’s respect for what users demand. Looking at side-by-side GC, HPLC, and polarimetric data, even veteran chemists find comfort in optical purity readings that match their expectations every time. This comes from using well-designed, robust synthesis routes, distinct from quick-fix racemization or lazy mixing. Beyond documentation, our team can share real benchmark data and use-cases from partners who refused to compromise on chirality. In effect, this kind of integrity supports patent protection and unique outcome reproducibility—qualities that define true value for every downstream innovator.

    Pitfalls of the Commodity Approach

    As chemical manufacturing professionals, we have witnessed the headaches caused by inconsistent material from non-producers or resellers. Unknown origins, questionable documentation, unexplained optical rotations, surprise odors—these are not academic concerns but day-to-day realities on the ground. Cutting out the trading chain means anyone using our (R)-(+)-1-Phenylethanol knows their batch has traceable lineage and has gone through precisely the same process at each run, from feedstock to packing.

    No product is ever just a number in a spreadsheet. For API and intermediate synthesis, even small irregularities—an extra tenth of a percent on a GC, a faint yellow tint, a barely-detectable off-odor—can amplify into regulatory hurdles, failed validations, or batch rejections. We believe this is where true manufacturing expertise shines: not just meeting specs on paper, but exceeding them in practice, run after run.

    Built on a Foundation of Knowledge, Not Just Equipment

    Practicing this trade, we have come to value the knowledge that lives in the routines and decisions made on the production floor rather than just in paperwork or marketing decks. Each batch of (R)-(+)-1-Phenylethanol reflects thousands of hours drawing from experience with scale-up kinetics, process troubleshooting, raw material variability, and genuine lessons learned from things that did not work the first time. Operators who know the ‘feel’ of the right run, analysts trained to question any odd peak—that’s the backbone behind reliable product.

    Whether scaling up for commercial demand or producing fine batches for cutting-edge research, the core principle holds steady: don’t take shortcuts, don’t hide variation with dilution or blending, and never pass along uncertainty to the next user down the line. Our clients feel that difference in the reliability of their own processes and see it reflected in the reproducibility of their own results, patent filings, and commercial launches.

    Chiral Purity: Why the Details Count

    Given the increasingly strict regulatory and patent standards facing clients in pharmaceuticals and fine chemicals, chiral purity is not just a nice-to-have. It has become a non-negotiable. Over the years, we have responded to partners whose projects depended on enantiomeric excesses above 99%. Each time, the requirements looked simple on paper but required rigorous plant-level controls: dedicated lines, cleaning validation to avoid cross-contamination, well-calibrated polarimeters, and regular in-process checks. The result can be seen in the tiny optical rotation deviations we catch and correct before shipping, and in the trust customers develop for batches that behave as predicted, cycle after cycle.

    This raises a point often missed by those outside direct production. Traders and resellers can only promise what upstream makes available, and often blend wares from multiple sources, resulting in drift in overall profile from one lot to the next. In contrast, direct manufacturers can not only guarantee traceability but also quickly correct process drift and implement client-specific adjustments, whether in purification, packaging, or analytical reporting. There is no ‘one-size-fits-all’ outside commodity markets, and for chiral intermediates like (R)-(+)-1-Phenylethanol, that distinction is critical.

    In the Lab, on the Line: Practical Realities of Use

    Bench chemists, scale-up teams, and analytical groups each seek different assurances from their suppliers. Lab researchers focus on solubility and ease of functional group manipulation, aiming for high yields with minimal side products. Production lines, on the other hand, must balance process safety, equipment compatibility, and cost-of-goods, knowing that every deviation can halt throughput or complicate waste management.

    We address these realities by maintaining strict batch-to-batch reproducibility, flexible lot sizing, and rapid response to variable volume requirements. Decades of feedback have shaped our internal training and methods, from the way each drum is labeled to the transparency in analytical reporting. Customers have told us how issues such as minor impurities or inconsistent color in (R)-(+)-1-Phenylethanol from outside channels led to downstream process fouling or the need to revalidate methods. As direct manufacturers, we take pride in handling these challenges before the material leaves our site.

    Why Relationships Matter in Sourcing

    Having a direct relationship with the original manufacturer provides more than just cost savings or faster lead times—it builds a channel for technical discussion, troubleshooting, and honest feedback. We have seen the difference that rapid, informed responses make when a team needs to adapt a process, validate a new application, or change lot size at short notice. For critical applications in pharmaceutical R&D or process optimization, small changes in impurity profile or water content can mean the difference between success and regulatory delay. Teams rely on us not only as suppliers but as partners who will assist in solving actual application problems on the ground.

    Many of our long-term collaborators started with small-volume, high-purity needs and gradually ramped up to commercial requirements, always demanding the same level of support, transparency, and engagement. Serving these clients provides ongoing learning and challenges us to keep pushing our own quality benchmarks higher.

    Differences Beyond the Molecule: What We’ve Learned

    A molecule’s CAS number or catalog entry only tells half the story. Direct experience proves that no two sources of (R)-(+)-1-Phenylethanol behave alike. Process chemists have shared first-hand accounts of scale-up troubles from off-spec batches encountered after switching to a new supplier. Each misstep led to lessons about plant cleaning, revalidation, and data re-generation, sometimes delaying entire programs. Through these cycles, it has become clear that strong process discipline and real communication between manufacturer and end-user pay off in measured risk reduction and smoother scale-up.

    Years of shipping to different geographies taught us to adapt packaging to protect against moisture, temperature extremes, and rough handling. Where a distributor might promise rapid delivery but deliver product of unknown origin, our emphasis is on repeatability, accurate COAs, and detailed support with each lot.

    Performance in the Field: Real-World Applications

    Users select (R)-(+)-1-Phenylethanol not just for compliance, but because it delivers concrete advantages in active pharmaceutical ingredient manufacturing, enantioselective catalysis, and the creation of high-impact fragrance bases. In API synthesis, optically pure intermediates drive the push toward new analogs and improved processes, and customers have shared how switching to our direct product allowed them to eliminate troublesome downstream purifications. Performance testing in-house often picks up variations invisible at first glance; this is where repeated direct feedback loops with end-users prompted us to adjust procedures and improve outcomes.

    One notable example comes from the need to react (R)-(+)-1-Phenylethanol with sensitive acyl or alkylating agents. Slight differences in trace metals, residual solvents, or color—even well within loose ‘spec’—can wreak havoc on an expensive cascade sequence or slow-release prodrug. These “minor” factors, overlooked by most aggregators, have become the focus of our QA so customers do not need to build costly insurance steps into their own processes.

    In odorant and aroma chemistry, close attention to trace aromatic byproducts yields cleaner, more intense aroma notes. Our fragrance partners have remarked how our enantio-enriched material allowed them to create finer, more persistent notes that precisely matched the composition benchmarks developed in their labs.

    Sustainability, Quality, and Longevity in Manufacturing

    Regulatory and end-user priorities increasingly put pressure on chemical makers to think about lifecycle, not just “today’s batch.” We have taken practical steps toward resource efficiency and waste minimization, both to improve our own sustainability and to ensure supply security for our customers. We recycle solvents judiciously and run pilot studies before implementing new energy or water-saving setups. These decisions not only support environmental compliance but provide a more stable, reliable pipeline for users concerned about long-term supply interruptions or shifting standards in green chemistry.

    Clients in regulated industries—especially pharmacy and food—put a premium on documented quality systems, traceability, and openness to audit. Over time, these demands shaped not only our plant operations but also our transparency with batch records, deviation logs, and process modification histories. Our teams are empowered to raise flags early in production, addressing problems before they become bottlenecks for downstream partners. Clear digital recordkeeping and a willingness to host technical visits support a trust-based commercial relationship that outlives price-based transactions.

    The Narrow Path of Real Chiral Manufacturing

    We are often asked why chiral molecules like (R)-(+)-1-Phenylethanol cost more than commodity-grade alcohols or mixed-isomer blends. Reality is that high-purity chiral intermediates demand both additional investment and sustained commitment. Not only is the synthetic process more complex, but the risk of cross-contamination, racemization, or loss in yield constantly keeps our teams on alert. Several times, we have chosen to delay a shipment or reprocess a batch, rather than risk reputation by pushing out marginal material. This philosophy is informed by years of working closely with researchers who know how hard-won and valuable high-purity material is to a project’s success.

    On the subject of standards, we always reference the latest regulatory and analytical guidance, not least because many of our customers submit filings to international agencies. Our analytical suite is built around the principle of over-verification: running more tests than required, not fewer. From polarimetric measurements to advanced GC and HPLC resolution, every run is checked against multiple criteria. This level of diligence, rooted in experience and updated with current best practices, has forged the trust of advanced pharma, fragrance, and specialty chemical developers.

    Looking Forward: Adapting with the Market

    As direct manufacturers, we adapt to changing needs and regulations that shape how (R)-(+)-1-Phenylethanol is used in new applications. Whether working with project managers scaling up a small molecule for clinical trials or with R&D leaders at flavor houses, our focus remains on continuous improvement. Each conversation, each trouble-ticket, each client audit brings insight that we funnel back into process upgrades, documentation, and customer support. Remaining accessible, curious, and open to learning keeps our production aligned with how the product is actually used outside our walls.

    The shift toward advanced therapies, greener chemistry, and more stringent regional standards means that continuous supply of high-purity, traceable chiral intermediates becomes critical. A reliable manufacturer does more than deliver material—by embedding flexibility, accountability, and accumulated expertise into every batch, we aim to drive innovation and security for all partners down the line.

    Conclusion: The Real Value of Direct Manufacturing

    There’s an undeniable reassurance that comes from working with the originator, especially for complex chiral materials such as (R)-(+)-1-Phenylethanol. Each gram, each liter, each drum represents real teamwork, shared learning, and a commitment to supporting partners’ projects at every stage. Over decades, we have seen how this model pays off—fewer process interruptions, higher yields, faster time-to-market for customers, and ongoing two-way innovation that keeps all parties ahead of shifting standards.

    If reliability, transparency, and deep technical understanding drive your project, then working with the original source of (R)-(+)-1-Phenylethanol is more than just a procurement decision. It represents a commitment to science, progress, and the highest standards of chemical manufacturing. This is the standard we set and the promise we make with every consignment that leaves our plant for yours.