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2-Bromoethyl Acetate

    • Product Name 2-Bromoethyl Acetate
    • Alias Bromoacetic Acid Ethyl Ester
    • Einecs 221-847-3
    • 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

    106684

    Chemical Name 2-Bromoethyl Acetate
    Cas Number 5292-43-3
    Molecular Formula C4H7BrO2
    Molecular Weight 167.00 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 162-164°C
    Melting Point -45°C
    Density 1.567 g/cm3 (at 20°C)
    Refractive Index 1.451-1.453
    Flash Point 66°C (closed cup)
    Solubility Slightly soluble in water; soluble in organic solvents
    Synonyms Acetic acid 2-bromoethyl ester
    Purity Typically ≥98%
    Smiles CC(=O)OCCBr
    Ec Number 226-163-3

    As an accredited 2-Bromoethyl Acetate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 2-Bromoethyl Acetate is supplied in a 500 mL amber glass bottle with a secure screw cap and hazard labeling.
    Shipping 2-Bromoethyl Acetate is shipped in tightly sealed, chemical-resistant containers to prevent leaks and contamination. It is classified as a hazardous material and must comply with transportation regulations (DOT, IATA, IMDG). Proper labeling, documentation, and handling precautions—including secondary containment—are essential during transit to ensure safety and regulatory compliance.
    Storage 2-Bromoethyl Acetate should be stored in a tightly closed container, in a cool, dry, well-ventilated area away from sources of ignition, heat, and direct sunlight. Keep it segregated from strong oxidizing agents, acids, and bases. Use proper chemical storage cabinets, clearly labeled, and ensure access is restricted to trained personnel. Store below room temperature for maximum stability.
    Application of 2-Bromoethyl Acetate

    Applications of 2-Bromoethyl Acetate in Industrial Manufacturing

    As a direct manufacturer of fine chemical intermediates, we supply 2-Bromoethyl Acetate for established downstream sectors where strict quality, formulation accuracy, and regulatory adherence underpin production. Explore key industry-specific applications, where each use scenario reflects rigorous compliance, process integration, and critical role in advanced chemical synthesis.

    1. Agrochemical Intermediates for Herbicide Active Ingredient Synthesis

    Producers of selective herbicides integrate 2-Bromoethyl Acetate as an alkylating agent in the synthesis of complex ester functionalities within active ingredients such as phenoxyalkanoic acids. By supplying uniform reactivity and controlled purity, this intermediate supports consistent batch yields. Feedstock undergoes dedicated multi-stage reactions where replacement or modification of ethyl chains ensures targeted herbicidal action, making precision in dosing and purity essential for downstream performance and registration compliance.

    Industry compliance standards

    • ISO 9001:2015-certified QMS for traceability
    • Regulation (EC) No 1107/2009 on plant protection products
    • FAO/WHO Specifications for Pesticide Products (JMPS)
    • REACH registration (Annex VII–X)

    Typical usage ratio

    • Generally 1.03–1.12 molar equivalents in target ring-alkylation or acylation steps, adjusted for substrate type and conversion efficiency

    Downstream process integration

    • Charged during stepwise alkylation after base structure formation, commonly under controlled temperature and solvent conditions, followed by hydrolysis, condensation, and formulation steps to produce the final active ingredient

    Final product types

    • Phenoxyacetic acid herbicides (e.g., 2,4-D derivatives)
    • Customized broadleaf weed control agents

    2. Active Pharmaceutical Ingredient (API) Intermediate Synthesis

    Pharmaceutical manufacturers utilize 2-Bromoethyl Acetate for key alkylating transformations needed in API scaffolds and building blocks. Its selection favors predictable reactivity with various nucleophiles, enabling the construction of side chains and functional groups that are critical in anti-infective and CNS-active drugs. Exceptional batch-to-batch consistency and trace impurity control are necessary, as this stage must support stringent route validation, GMP batch recordkeeping, and downstream crystallization or purification steps prior to final API isolation.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for APIs
    • EU GMP (Part II) for chemical APIs
    • US FDA 21 CFR Part 211 for finished pharmaceuticals
    • Pharmacopoeial references: USP/NF, Ph. Eur.

    Typical usage ratio

    • Usually 1.00–1.10 molar equivalents, optimized based on nucleophile scope and reaction scale to minimize by-products and downstream purification load

    Downstream process integration

    • Added in closed reactors post-core synthesis during alkylation or acylation of intermediate fragments, followed by phase separation, workup, and transfer to API finishing or salt-formation lines

    Final product types

    • Anti-infective agents such as cephalosporin derivatives
    • Neurological APIs with bromoethyl side chains

    3. Fine Chemical Synthesis for Specialty Monomers

    Specialty polymer manufacturers require 2-Bromoethyl Acetate for the synthesis of functionalized monomers and reactive acrylic intermediates destined for performance plastics and coatings. Alpha-bromoacetate moieties introduce controlled crosslinking points or pendant functionalities in custom acrylic resins. Producers depend on precise dosing and controlled addition to mitigate unwanted polymer branching and improve batch-to-batch uniformity, vital for subsequent polymerization kinetics and end-use property stability.

    Industry compliance standards

    • ISO 14001 Environmental Management for monomer manufacturing
    • EU REACH monomer registration, Annex IX-X
    • ASTM D256 for plastics impact resistance (downstream)

    Typical usage ratio

    • Typically 0.95–1.15 equivalents relative to nucleophilic reactants; ratio fine-tuned for target polymer branching and final resin performance

    Downstream process integration

    • Fed into esterification or alkylation reactors as part of the initial raw material mix, followed by solvent stripping and purification against monomer quality benchmarks prior to polymerization

    Final product types

    • Functional acrylic monomers bearing bromoethyl side chains
    • Reactive diluents for UV-curable coatings

    4. Synthesis of Reactive Dyes Intermediates

    Textile dye manufacturers apply 2-Bromoethyl Acetate to introduce robust ether or ester linkages to chromophore compounds, expanding the palette of reactive groups in dye formulations. Controlled use in dye-intermediate synthesis enables tailored shade development and substrate compatibility for cellulosic fibers, while in-process QC and batch lot tracing uphold compliance throughout the dye supply chain, from pre-reactive mixing to final formulation.

    Industry compliance standards

    • OEKO-TEX® Standard 100 (input chemical restrictions)
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals Manufacturing Restricted Substances List)
    • EU REACH Annex XVII (dye intermediates restrictions)

    Typical usage ratio

    • Applied at 1.10–1.18 molar equivalents to nucleophilic dye precursors, with slight excess to ensure complete functionalization and reproducible reactivity

    Downstream process integration

    • Charged at the initial ring-alkylation step under controlled pH and solvent conditions, followed by post-synthesis hydrolysis, sulfonation, and spray-drying to yield stable dye intermediates

    Final product types

    • Reactive dyes for cotton and cellulosic fibers
    • Vinyl sulfone-type dye intermediates

    5. Synthesis of Crosslinking Agents for Epoxy Systems

    Manufacturers of advanced epoxy systems employ 2-Bromoethyl Acetate as a building block in the synthesis of crosslinking agents. Its use in controlled alkylation steps produces compounds that modulate curing profiles and mechanical resilience of two-component epoxies. Accurate metering and impurity profile monitoring are critical in this application, given the tight performance specifications in electronics and composites sectors where these crosslinkers find end use.

    Industry compliance standards

    • IEC 61249-2-21 for low-halogen electronic substrate materials
    • UL 94 flammability classification (for cured systems)
    • RoHS 2011/65/EU compliance for electronics applications

    Typical usage ratio

    • Ranges from 0.90–1.20 molar equivalents, with process optimization based on target functionality and desired gelation profile in the final crosslinking agent

    Downstream process integration

    • Added to reaction vessels during functionalization of polyamine or glycidyl compounds, completed with subsequent isolation and blending into epoxy resin systems

    Final product types

    • Epoxy resin crosslinkers with controlled reactivity
    • Modified curing agents for electronic adhesives and laminates
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    Certification & Compliance
    More Introduction

    2-Bromoethyl Acetate: A Practical Perspective from the Manufacturer

    Understanding the Role of 2-Bromoethyl Acetate in Chemical Synthesis

    In chemical manufacturing, a single molecule often holds the key to unlocking powerful transformations across a variety of industries. 2-Bromoethyl acetate stands out as a unique building block in organic synthesis, especially for companies focused on pharmaceuticals, agrochemicals, and specialty materials. Our production facility has made this compound available in volumes that address both laboratory research and full-scale industrial demand, supporting a broad spectrum of innovation. The importance of this compound does not lie only in its molecular structure. Years spent refining its synthesis have proven the difference a reliable source of 2-bromoethyl acetate can make for downstream processors and research teams alike.

    Reliable Production and Consistent Purity

    We manufacture 2-bromoethyl acetate under tightly controlled conditions, overseeing every stage from raw material selection to packaging. Teams on our production floor include chemists with deep experience in halogenated intermediates, working alongside technicians who understand the importance of rigorous purity analysis. Since many customers use this material for stepwise alkylation reactions or as a protected bromoethyl group donor, even minor impurities can compromise reaction yields or generate unwanted side-products. Routine gas chromatography and spectroscopic analysis help us achieve a purity that meets or exceeds 99 percent, suitable for demanding synthesis protocols.

    Handling 2-bromoethyl acetate safely and ensuring minimal residual water content requires more than textbook knowledge. We have learned through routine field audits and customer feedback that even slight moisture uptake can complicate storage or handling, particularly in humid climates. For this reason, we seal each drum carefully and use nitrogen inerting when needed, responding to practical, real-world factors that affect product integrity through transport and storage.

    Application Insights: Synthesis, Alkylation, and Beyond

    2-Bromoethyl acetate serves as a multifunctional intermediate. Its most common use is in nucleophilic substitution, where chemists attach an ethyl group via the bromo moiety, then remove the acetyl protecting group under mild conditions. This two-step process forms the basis for synthesizing compounds as diverse as active pharmaceutical ingredients, pesticide intermediates, and specialty polymers. The flexibility of the acetate functionality, compared to more reactive halogenated ethylating agents, enables control over reaction rates and selectivity. Experience from our plant-scale batch runs shows that this control can significantly reduce side-reaction rates and improve overall efficiency—a benefit that translates directly to the bottom line for both us as a manufacturer and our customers converting the product further.

    This compound provides a reliable route for introducing the 2-bromoethyl group into larger molecular frameworks. Unlike bromoethanol, which often introduces water or causes undesired hydrolysis, 2-bromoethyl acetate offers better shelf stability and improved handling under ambient conditions. Our long-term storage trials confirm these benefits extend to long-haul international shipments as well, reducing customer risk of spoiled material and costly process interruptions.

    Differences from Related Compounds and Product Choices

    Choosing between different ethylating agents such as 2-bromoethyl acetate, bromoethane, or 2-chloroethyl acetate often comes down to reactivity, selectivity, and ease of handling. Chemists value the moderate leaving group ability of bromine in 2-bromoethyl acetate, which balances sufficient reactivity for most substitution reactions without causing excessive side reactions or decomposition. Compared with 2-chloroethyl acetate, this compound typically delivers higher yields under milder conditions, allowing formulators to avoid stronger reagents or elevated temperatures that can degrade sensitive substrates.

    Some customers have considered bromoethanol as an alternative, given its ready availability. Yet, in our own pilot reactions and through discussions with process chemists at larger pharmaceutical firms, we've seen the problems associated with bromoethanol: hydrolysis, instability during scale-up, and a stronger tendency to absorb environmental moisture. In practice, 2-bromoethyl acetate occupies a preferred position for those requiring stable, crystalline intermediates and compatibility with a wide range of solvents.

    Packaging That Supports the Chemistry

    The compatibility of packaging is not a detail we leave to chance. Stainless steel drums lined with inert polymers and small-volume amber glass bottles make up most of our product shipments. Feedback from end users, especially those scaling up from grams in the lab to kilograms in their full plant, helped us develop this range of packaging. Exposing 2-bromoethyl acetate to reactive metal surfaces, light, or air shortens its effective shelf life. After years of monitoring product returned from customers due to discoloration or odor, we've revised our drum design and introduced gasket seals that prevent contamination.

    Batch traceability also matters. Each outgoing batch comes with a detailed certificate of analysis, linking the precise production lot to its analytical profile. Our teams document every step—from initial synthesis through quality control—so that production managers and synthetic chemists receive reliable material for every process run.

    Regulatory and Safety Considerations Based on Experience

    Processing halogenated acetates presents its own set of health and safety concerns. Our manufacturing records reflect strict adherence to occupational health guidelines, including local air quality standards and recommended personal protective equipment. Operators here have shared their own best practices for safe transfer, such as employing fume hoods and double containment for bulk handling, after recording rare instances of irritation caused by accidental skin contact. We recommend users adopt similar procedures and maintain documentation for occupational safety compliance, regardless of the local legal minimums.

    Hazard communication does not stop at shipment. Our customer support teams field routine inquiries about waste disposal, cleanup procedures, and incompatible reagents. Many smaller companies new to halogenated intermediates benefit from receiving real-world advice based on setups that mirror their own, so we strive to keep our documentation accessible and practical rather than just restating regulatory text.

    We take environmental stewardship seriously. Solvent recovery and closed cycle handling reduce emissions and waste generation at our own facility. By consulting with regulatory agencies and adopting best practices from across the industry, we make improvements that ripple throughout the supply chain, protecting not just workers but the communities near our site and our partners’ facilities as well.

    Supporting Innovation and Troubleshooting in Customer Laboratories

    Few products illustrate the give-and-take between manufacturer and customer like 2-bromoethyl acetate. Research chemists may start with just a few grams for a discovery synthesis, scaling to hundreds of kilograms once a process shows commercial promise. Interruptions in quality or supply can set back entire projects and put intellectual property at risk. Internally, we respond by maintaining buffer stocks and redundant production lines, ensuring we can absorb a sudden shift in demand without leaving loyal customers waiting.

    Our technical team provides advice grounded in years of hands-on synthesis. Several of our chemists came from industrial process labs, and they understand the difference between theoretical conditions and what works on the plant floor. They have seen process variables cause unexpected outcomes—phase separation, exothermic spikes, or trace impurities affecting crystallization. By maintaining regular communication with application chemists, we help resolve these headaches quickly, recommending tweaks to solvent choice, reaction temperature, or purification steps based on prior outcomes.

    Application support includes guidance for troubleshooting scale-up issues, such as uncontrolled exotherms or yields that drop off at larger batch sizes. As a chemical manufacturer, we keep one eye on production economies—solvent recycling, reducing byproduct formation, and improving energy efficiency all stem from a practical knowledge base built over dozens of successful campaigns. Our approach emphasizes learning from each batch, not just repeating past practices.

    Quality as Experienced by the Manufacturer

    High quality for us means more than meeting a specification. Every month, we set aside random samples for blind re-testing, using both in-house and third-party labs. This practice confirmed a long-term trend: batches that met tighter internal standards also produced fewer customer complaints and higher repeat orders. Perhaps the most telling feedback comes not from formal surveys but from direct calls and emails asking for the same “lot number as last time” when chemists find a batch that performs exceptionally well in their process. We take this as proof that attention to every production detail, from the origin of raw acetic acid and bromoethanol to the calibrated dosing of catalysts, results in a better end product.

    Packaging integrity also has a measurable impact on quality as received. On rare occasions, we have seen isolated cases of seal failures or transit damage reported by customers; in every instance, root-cause analysis led us to revise transport partnerships or change packaging vendors, improving the chain of custody for everyone involved. This relentless focus on improvement comes from the recognition that every problem reported by a customer often represents a similar, unreported instance elsewhere in the field.

    Meeting Demand Across Markets: Research to Bulk Production

    A strong supply relationship depends on more than ample raw material. Researchers, process chemists, and operations managers rely on predictable lead times and the ability to grow from pilot to full-scale without switching suppliers. We schedule our own production not just on forecasted sales, but in dialogue with our customers who are ramping up clinical compounds, crop protection agents, or advanced materials. This approach enabled us to shorten lead times during seasonal surges, bridging the gap between scientific leadership and market needs.

    For bulk users, logistical support becomes as important as chemical supply. Coordinating drums, tank trucks, and bonded warehousing in regulated global markets requires both practical know-how and established relationships—not every manufacturer can readily supply both the technical data and the agile logistics demanded by modern global commerce. We continue to invest in both human expertise and digital tracking systems to reduce error and downtime.

    Looking Ahead: Continuous Improvement and Industry Challenges

    The world of chemical manufacturing never stands still. Environmental regulations, changing toxicology standards, and evolving synthesis needs all influence how we approach 2-bromoethyl acetate production. Our R&D pipeline monitors advances in greener synthesis methods, looking to lower hazardous byproducts and reduce carbon footprint. Current initiatives include exploring alternative solvents for washing and recovery and optimizing reaction pathways to increase overall atom efficiency.

    Demand for better life-cycle analysis and increased transparency has led us to partner with academic groups familiar with the latest analytical techniques. Both upstream suppliers and downstream users have asked for more complete traceability, from raw material origin through process waste management. Responding to this, we document key environmental metrics and make them available, so customers can meet their own sustainability goals while working with our material.

    Even as the regulatory landscape shifts, we commit to keeping the supply of 2-bromoethyl acetate stable, transparent, and safe—an approach rooted in decades of manufacturing experience and the accumulated lessons of thousands of production runs.

    Closing Perspective: Lessons Learned as a Chemical Manufacturer

    The true value of 2-bromoethyl acetate comes into focus through daily interaction with customers and suppliers. Both successes and occasional setbacks shape our approach, reinforcing that reliable manufacturing is as much about people and process as it is about the reactants in a flask. Our own journey mirrors that of our clients—constant learning, adapting, and reshaping processes for both safety and efficiency.

    We continue to listen, make incremental improvements, and share what we learn along the way. This perspective keeps our service practical, grounded, and aligned with the evolving needs of those pushing chemical synthesis forward. Where process reliability, consistency, and hands-on support matter, we remain a committed partner, delivering 2-bromoethyl acetate with the knowledge and confidence born of long-term manufacturing practice.