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Benzyl Carbamate

    • Product Name Benzyl Carbamate
    • Alias Cb
    • Einecs 202-500-6
    • 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
    VTB
    Specifications

    HS Code

    157282

    Chemical Name Benzyl Carbamate
    Synonyms Carbamic acid benzyl ester, Benzylurethane
    Molecular Formula C8H9NO2
    Molar Mass 151.17 g/mol
    Cas Number 621-84-1
    Appearance White to off-white crystalline solid
    Melting Point 34-38°C
    Boiling Point 172-174°C at 14 mmHg
    Solubility In Water Slightly soluble
    Density 1.153 g/cm3
    Smiles O=C(OCc1ccccc1)N
    Inchi InChI=1S/C8H9NO2/c10-8(9)11-6-7-4-2-1-3-5-7/h1-5H,6H2,(H2,9,10)
    Storage Conditions Store at room temperature, in a tightly closed container
    Uses Intermediate in organic synthesis, protecting group for amines

    As an accredited Benzyl Carbamate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Benzyl Carbamate, 500g, is packaged in a sealed amber glass bottle with tamper-evident cap and detailed hazard labeling.
    Shipping Benzyl Carbamate is typically shipped in tightly sealed containers made of compatible materials to prevent moisture and contamination. It should be stored and transported in a cool, dry, and well-ventilated area, away from oxidizing agents. Proper labeling and documentation are required, following local and international chemical shipping regulations.
    Storage Benzyl Carbamate should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from heat, sparks, and open flames. Keep it away from incompatible substances such as strong oxidizers and acids. Store at room temperature and protect from direct sunlight and moisture to prevent degradation. Ensure proper labeling and follow local regulations for chemical storage.
    Application of Benzyl Carbamate

    Applications of Benzyl Carbamate in Industrial Manufacturing

    Benzyl Carbamate is widely used as a protected amino group source and intermediate in the synthesis of fine chemicals. Its controlled reactivity and compatibility with multiple chemistries make it valuable within several specialized sectors. As a direct manufacturer, we support downstream operations requiring strict process and regulatory compliance.

    1. Active Pharmaceutical Ingredient (API) Synthesis

    Pharmaceutical companies rely on benzyl carbamate as a carbamoylation agent to protect amino groups during multi-step API synthesis, especially in the preparation of peptide-based drugs and other complex molecules. Technicians introduce it in steps requiring high selectivity and stable protecting group removal by hydrogenolysis. Our product undergoes extensive QC to meet the high purity needs of GMP-compliant pharmaceutical manufacturing environments, with fully traceable batch documentation provided for audit readiness.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP/NF monograph requirements where relevant
    • EMA GMP Annex 8 for intermediates
    • 21 CFR Part 210/211 (FDA cGMP guidelines for APIs)

    Typical usage ratio

    • 0.95–1.10 molar equivalents per protected amine group, adjusted based on process scale and substrate reactivity.

    Downstream process integration

    • Added during the amine protection step, followed by purification and subsequent deprotection after main synthetic transformations.

    Final product types

    • Peptide APIs
    • Beta-lactam intermediates
    • Nucleoside analogues
    • Amino acid derivatives for drug candidates

    2. Agrochemical Intermediate Production

    Agrochemical manufacturers utilize benzyl carbamate in the preparation of specific herbicide and fungicide intermediates, where temporary N-protection of reactive amines prevents unwanted byproducts. The material’s purity and consistent particle size are essential for large batch reactions, ensuring clean conversion and moderate temperature handling. Our quality system maintains strict lot-to-lot reproducibility, documented for regulatory registration dossiers in multiple jurisdictions.

    Industry compliance standards

    • ISO 9001:2015 Quality Management System
    • FAO technical guidelines for pesticide ingredients
    • REACH (EC No 1907/2006) registration for export to the EU
    • China GB 2763 residue limits for safe handling

    Typical usage ratio

    • 0.85–1.25 equivalents based on the specific amine substrate and desired yield efficiency.

    Downstream process integration

    • Charged to reactors prior to heterocyclic ring formation or substitution steps requiring transient protection.

    Final product types

    • Precursor intermediates for triazole fungicides
    • Chloroacetamide herbicide synthons
    • Building blocks for insecticide APIs
    • Pyridine and pyrimidine agro-intermediates

    3. Specialty Polymer Manufacturing

    In specialty polymer applications, customers apply benzyl carbamate as a functional monomer or end capping reagent. Its carbamate moiety introduces controlled degradability or nitrogen functionality within polyurethanes and polyamide formulations. Our quality ensures low residual moisture and precise assay, preventing unwanted side reactions during high-temperature polymer synthesis lines. Consignment is coordinated to minimize material hold times and preserve maximum reactivity.

    Industry compliance standards

    • ISO 14001 Environmental Management for polymer plants
    • EN 71-3 (where applicable, for toy-safe grade materials)
    • OECD guidelines on polymer stability and decomposition
    • Registration under TSCA for US-manufactured polymers

    Typical usage ratio

    • 3–10 wt% of total monomer mix, variable by chain-length target and specific performance property required.

    Downstream process integration

    • Fed into reaction kettle with diisocyanates or diamines; initiates capping or backbone functionalization in melt or solution-phase synthesis.

    Final product types

    • Biodegradable polyurethane foams
    • Functional polyamides
    • Polymer additives for surface improvement
    • Smart polymer hydrogels

    4. Fine Chemical & Fragrance Synthesis

    Manufacturers in the fine chemicals and aroma sector use benzyl carbamate for specific N-protection steps in the multi-stage synthesis of aroma compounds and specialty esters. The controlled protection/deprotection aids in achieving high selectivity and yields for value-added intermediates, while compliance with food-contact and export standards is necessary for relevant product lines, particularly when destined for direct consumer use.

    Industry compliance standards

    • IFRA Code of Practice (for fragrance ingredients)
    • US FDA 21 CFR 172 (Food Additive Regulations, where used as processing aid)
    • ISO 22000 Food Safety Management (where relevant to aroma chemicals)
    • EU Regulation (EC) No 1334/2008 on flavorings

    Typical usage ratio

    • 0.90–1.05 molar equivalents per target amine group depending on downstream purity requirements.

    Downstream process integration

    • Introduced before selective oxidation, acetylation, or halogenation steps. Protection is later removed under catalytic hydrogenation to yield the desired aroma intermediate with minimal side formation.

    Final product types

    • Intermediate aldehydes or amines for fragrance bases
    • Specialty flavoring agents
    • Complex ester precursors
    • Synthetic musks and fixatives
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    Competitive Benzyl Carbamate prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Benzyl Carbamate: Confidence Backed by Experience

    Introduction to Benzyl Carbamate

    Benzyl Carbamate has a long-standing role in organic synthesis and pharmaceutical manufacturing. Our experience with this compound stretches across years of production runs, trials, and collaborations with partners seeking reliable supply and purity. The chemical is best known by its molecular formula C8H9NO2, and its structure positions it as a key benzyloxycarbonylamine. We manufacture this chemical primarily in the solid form, typically as a white or off-white crystalline powder. Each batch passes thorough assay and impurity checks—purity often meets 99% standards, but our process and monitoring favor even tighter control. We produce multiple lot sizes to meet laboratory requests as well as industrial-scale production, and process scale-up does not sacrifice quality or consistency.

    Key Applications Based on Everyday Manufacturing Experience

    Benzyl Carbamate stands out for its use as a protecting group in amino acid chemistry. The pharmaceutical industry relies on this function to safeguard amine groups during peptide synthesis, which helps prevent unwanted side reactions. Our technical staff often supports customers with issues around deprotection: safe removal of the carbamate at the right stage of their synthesis workflow demands precision. The compound has also found application in agrochemical development, custom chemical research, and even photographic processes, often as an intermediate, derivatizing agent, or protecting group.

    Direct experience in the plant tells us that shelf stability matters as much as reaction performance. The raw product needs storage in cool, dry conditions to prevent degradation, but realistic air exposure from handling during sampling or transport can still lead to trace hydrolysis or oxidation. Our team takes safety and chemical hygiene seriously—years of incident-free handling testify to robust protocols.

    What Sets Our Benzyl Carbamate Apart

    As a manufacturer, our reputation attaches to more than purity numbers on a certificate. Differences in quality can arise from the route of synthesis, purification choices, and ongoing attention to consistency. Many distributors offer Benzyl Carbamate sourced through variable trading channels, and this approach can lead to batch inconsistency, hard-to-trace impurities, and delays. Our in-house teams oversee every step, from sourcing of the benzyl alcohol and phosgene alternatives, through precise control of the phosgenation or carbamoylation reaction. In our experience, even minor deviations in reaction time, solvent, or temperature create out-of-spec material. Feedback from process chemists sparked us to refine our filtration and drying cycles, reducing unintended byproducts and residual solvents.

    We avoid unnecessary fillers or unknown stabilizers. Our material does not show up with unidentified mineral residues or synthetic antioxidants that sometimes appear in mass-market product. Clients measuring kinetics or conducting NMR work rarely spot ghost peaks or unexplained signals, which streamlines development and troubleshooting. Keeping full traceability on starting materials allows us to provide needed regulatory support for new drug applications or environmental compliance efforts.

    Usage Challenges: What We Teach Our Partners

    Practical challenges arise in real-world use. Benzyl Carbamate is soluble in common organic solvents such as ethanol, acetone, and ethyl acetate, but not all solvents deliver the same reactivity or ease of work-up in multi-step syntheses. Mixing order, pH control, and heating can influence product isolation yields. Our engineering group often consults on scale-up, hazard assessments, and waste stream management. Years of experience in tank cleaning, filter cake removal, and crude solvent distillation shape our best practice guidelines for industrial users.

    Safety receives full attention, especially due to risks tied to residual phosgene or its substitutes in made-to-order lots. We publish up-to-date workplace exposure control measures and support regular client site audits. Our field teams have handled product recalls in the rare case of transport mishaps, unplanned moisture ingress, or batch cross-contamination. Root cause analysis led to improved drum and bagging solutions as well as unreadable batch codes on labels resistant to chemical exposure.

    Marketplace Differentiation: Purity, Supply, and Support

    Clients navigating the market see Benzyl Carbamate offered in many purities and packaging types. We do not chase low prices at the expense of stability or documentation. Meeting analytical and process requirements demands transparency; each drum carries full batch data on not just assay but moisture, UV/Vis absorption, and trace metals profiles as requested. Our on-site lab can replicate most customer-specific analyses for comparison. When workload demands overnight adjustments, our response time matches the needs of high-urgency R&D or GMP production cycles.

    We’ve observed that inconsistent product from brokers or secondary suppliers can create headaches in downstream chemistry—yield drops, unwanted colors, and need for extra purification effort mean wasted time and money. Reliable, repeatable Benzyl Carbamate ensures seamless transitions between project phases and helps meet tough regulatory timelines. This matters much more on the plant floor than minor cost savings or packaging tricks.

    Difference in Process, Difference in Results

    Smaller producers often rely on manual reaction setup, but our plant automation and process analytical technology (PAT) minimize human error. Our operators watch not just pressure and temperature but also telltale color cues in real-time that vary with each lot. These visual checks sometimes spot polymerization or overreaction that online sensors miss. We equip our QA teams with both old-school and modern methods: titration, melting point, HPLC, and GC analyses all contribute to a complete picture of batch performance. Years of manufacturing data show that strict process adherence brings reproducible results, lot after lot.

    Distributors with limited technical background sometimes overlook risks connected to unstable or low grade Benzyl Carbamate. Lab researchers encounter unexpected solubility or hydrolysis issues, ruining multi-day synthesis runs. By offering direct access to our technical staff, we give users a place to seek troubleshooting or gain tips based on real product behavior. End-to-end oversight means fewer surprises.

    Regulatory and Environmental Responsibility

    Regulatory compliance comes built into our business, from raw material purchasing through product distribution. We meet internationally recognized standards for purity, traceability, and disclosure, providing detailed technical dossiers when required. Our production tracks waste generation with in-house treatment capacity, reducing costs and environmental footprint. Continuous improvement projects have cut energy consumption and solvent waste by measurable amounts, reflecting our ongoing commitment to responsible manufacturing.

    Stakeholders increasingly demand more than regulatory minimums. We deliver Benzyl Carbamate with documentation that supports not only EU REACH and China IECSC, but also custom requirements for labelling, tracking, and environmental reporting. Our plant team supports local regulators with site tours and sampling, and our openness during audits keeps us in good standing with authorities and customers alike.

    Comparison with Alternative Products

    Benzyl Carbamate performs a similar role to other protecting group chemicals, such as tert-butyl carbamate (Boc), acetyl, or Fmoc derivatives. Our perspective as a manufacturer highlights tangible differences. The Z-protecting group, derived from Benzyl Carbamate, removes cleanly under gentle hydrogenolysis, avoiding strongly acidic or basic conditions. Other options can require harsher treatments, risking degradation or complex impurity profiles in delicate molecules. Benzyl Carbamate brings thermal and storage stability, as well as straightforward analytical tracking by TLC, HPLC, or NMR.

    Availability of alternative reagents does not mean direct interchangeability—switching from Benzyl Carbamate to other carbamates, for example, can change solubility, reaction rates, and deprotection mechanisms. Our labs have run head-to-head trials to help clients choose the best starting material. Some customers find that switching introduces unexpected color formation, higher salt content, or difficult filtration. By discussing intended process steps openly, we reduce failed batch rates and maintain productivity. This saves money, but also builds a sense of confidence and partnership with end users.

    Supporting Success Stories from the Laboratory to the Plant

    Our technical support stretches beyond a product list. Several long-term clients rely on consultation for custom specification or direct scale-up advice when running pilot trials. Input from our R&D chemists has enabled startups to launch first-in-class pharmaceuticals without supply disruptions tied to reagent issues. When a rush order or last-minute change appears, in-house scheduling lets us reprioritize order flow, minimizing delays and frustration. Repeat business and personal recommendations from process chemists prove that solid relationships stem from transparent communication, not marketing slogans or price wars.

    Questions often arise on integrating Benzyl Carbamate into complex syntheses. Some groups work on peptide assembly, where levels of impurity or insoluble byproducts can make or break batch acceptance. Others focus on agrochemical intermediates where scalability and cost drive decisions. In both cases, our knowledge and willingness to provide application-based reference data supports efficient, safe, and cost-conscious production. Customers frequently request advice on optimizing benzyl group removal, or troubleshooting color formation in reactions—practical details that separate everyday technical success from theoretical possibility.

    Importance of Handling and Packaging in Real-World Conditions

    Experience shows that poor packaging causes real headaches. Benzyl Carbamate absorbs moisture if left open too long, or if stored in permeable liners. Early in our production history, inadequate sealing led to minor caking and assay changes. We shifted to robust packaging, including foil-laminate bags inside rigid drums, as a standard. Properly labeled and batch-coded containers enable reliable tracking and auditing, smoothing customer QA approval processes. Where climatization is a concern, our logistics chain provides temperature-monitoring or insulation to maintain product specification from plant to client site.

    Bulk customers and research clients alike benefit from delivery formats tailored to order scale—true flexibility often makes urgent project changes possible. Our field team’s support with QA sampling, on-site drum handling, and even documentation audits eliminates the guesswork that comes with fragmented broker and distributor supply.

    Enduring Commitment to Quality and Partnership

    Manufacturing Benzyl Carbamate involves daily choices about process integrity, transparency, and customer responsiveness. We draw on decades of on-site problem-solving, plant upgrades, and partnership with clients aiming for success in competitive markets. The compound’s effectiveness relies as much on the expertise and reliability of those supplying it as on its chemical structure. By sharing direct manufacturing knowledge, offering consistent support, and ensuring tight quality assurance, we help our partners turn laboratory plans into commercial achievements.

    Benzyl Carbamate remains a staple reagent, not because of its name alone, but due to its proven reliability in real application. We stand behind every batch, drawing on both technology and the experience of those who make and use it every day. Environmental and regulatory challenges, changing project demands, and tough competition have driven us to improve, adapt, and innovate—always with a view toward maintaining confidence in every shipment.