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Bromoacetic Anhydride

    • Product Name Bromoacetic Anhydride
    • Alias Bromoacetic anhydride
    • Einecs 221-539-2
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    463796

    Chemicalname Bromoacetic Anhydride
    Molecularformula C4H4Br2O3
    Molecularweight 259.88 g/mol
    Casnumber 5413-05-8
    Appearance White to off-white crystalline solid
    Boilingpoint 124-126 °C at 15 mmHg
    Meltingpoint 55-57 °C
    Density 2.26 g/cm3
    Solubility Reacts with water; soluble in most organic solvents
    Smiles O=C(OCOC(Br)=O)C(Br)=O
    Inchi InChI=1S/C4H4Br2O3/c5-1-3(7)9-4(8)2-6/h1-2H2

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

    Packing & Storage
    Packing Bromoacetic Anhydride, 25g, is packaged in a sealed amber glass bottle with hazard labels and a screw-cap for secure storage.
    Shipping Bromoacetic Anhydride should be shipped in tightly sealed containers, protected from moisture and incompatible substances. Package in accordance with local, national, and international regulations for hazardous materials. Label with appropriate hazard class and handle with care to avoid exposure. Transport at ambient temperature, away from heat, flames, and strong oxidizers.
    Storage Bromoacetic anhydride should be stored in a tightly sealed container, in a cool, dry, well-ventilated area away from moisture and incompatible substances such as strong bases and oxidizers. Keep it protected from light and sources of ignition. Store in a dedicated corrosives cabinet if available, and ensure access is restricted to trained personnel due to its reactive and toxic nature.
    Application of Bromoacetic Anhydride

    Applications of Bromoacetic Anhydride in Industrial Manufacturing

    Bromoacetic anhydride plays a strategic role in chemical synthesis across multiple industrial segments. As the actual producer, we support technical integration of this reactive intermediate into strictly regulated downstream processes for complex molecule construction and high-value specialty products.

    1. Pharmaceutical Active Pharmaceutical Ingredient (API) Synthesis

    Bromoacetic anhydride serves as a selective bromination and acylation agent during key stages of API intermediate synthesis. It introduces bromoacetyl groups on heteroaromatic structures that act as essential building blocks for active molecules. This enables site-specific functionalization vital for high-purity drug intermediates, especially in oncology and anti-infective segments. API producers apply strict material handling and in-process controls to assure final product quality.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for APIs)
    • USP-NF and EP monographs for relevant drug substances
    • 21 CFR Part 211 (US FDA cGMP for finished pharmaceuticals)
    • Pharmaceutical Inspection Co-operation Scheme (PIC/S) requirements

    Typical usage ratio

    • 0.9‒1.2 molar equivalents per functional group
    • Adjusted based on reactivity and process scale-up validation

    Downstream process integration

    • Incorporation during stage-specific acylation steps in multi-step synthesis
    • Direct feed into reactor under controlled temperature and stoichiometry
    • Followed by phase separation, quench, and purification

    Final product types

    • Bromoacetylated API intermediates
    • Oncology active pharmaceutical ingredients
    • Antiviral drug molecules
    • Beta-lactam antibiotic precursors

    2. Agrochemical Intermediate Manufacture

    Major crop protection manufacturers use bromoacetic anhydride to introduce bromoacetyl groups in targeted intermediate molecules. This step forms precursors for selective herbicides, fungicides, and insecticides. Controlled addition allows for precise yield of active ingredients, while process engineers ensure all waste streams and handling comply with safety and environmental standards specific to agrochemical plants.

    Industry compliance standards

    • FAO/WHO guidelines for technical active ingredient purity
    • REACH (EC No 1907/2006 for registration, evaluation, authorization and restriction of chemicals)
    • ISO 9001:2015 for quality management in agrochemical production
    • Local pesticide registration authority requirements (e.g., US EPA, China ICAMA)

    Typical usage ratio

    • 0.8 to 1.3 mole per target intermediate, based on feedstock reactivity
    • Optimization through lab-to-pilot transfer studies

    Downstream process integration

    • Feeds into bromination or acylation vessels pre-herbicide or fungicide core assembly
    • Close monitoring of reaction exotherm and dosing rates
    • Immediate downstream neutralization and work-up for safety

    Final product types

    • Bromoacetate-functionalized pesticide intermediates
    • Precursor compounds for selective herbicides
    • Fungicide and insecticide active ingredients
    • Plant growth regulator synthesis intermediates

    3. Advanced Dye and Pigment Synthesis

    Specialty dyes and pigment manufacturers employ bromoacetic anhydride to achieve targeted halogenation of aromatic diamines and heterocycles. This precision substitution is essential for tuning chromophore properties and enhancing fastness, solubility, or binding on textile and plastics substrates. Manufacturing sites prioritize containment controls and calibration of addition rates to uphold quality during scale-up.

    Industry compliance standards

    • Oeko-Tex Standard 100 restricted substances list
    • ZDHC (Zero Discharge of Hazardous Chemicals) program standards
    • REACH SVHC and Annex XVII substance control for pigments
    • ISO 14001 Environmental Management for dye production

    Typical usage ratio

    • 1.0‒1.5 equivalents per target functional group in the chromophore
    • Adjusted per batch scale and substrate type

    Downstream process integration

    • Bromoacetic anhydride addition during the aromatic substitution phase
    • Chilled addition to manage reaction rate and selectivity
    • Product passed to extraction, isolation, and purification steps

    Final product types

    • Reactive dyes for cotton, wool, and nylon
    • Bromoacetylated azo pigments
    • Functional colorants for plastics
    • Inkjet printing dye precursors

    4. Specialty Polymer Modification

    Polymer producers integrate bromoacetic anhydride for introduction of reactive bromoacetyl moieties into pre-polymers or controlled copolymerization. Such functionalization enhances crosslinking, adhesion, or compatibilization for adhesives, coatings, and high-performance engineering resins. Process control teams strictly monitor dosing sequences and in-line quality tracking to maintain molecular weight and reactivity distribution across each batch.

    Industry compliance standards

    • ISO 9001:2015 (Quality Management for polymer production)
    • ASTM D1970 (polymer modification methods)
    • RoHS (Restriction of Hazardous Substances Directive for electronics applications)
    • Manufacturing restricted substance lists for adhesives and coatings

    Typical usage ratio

    • 0.5‒5 wt% based on total monomer feed
    • Adjustment reflects desired functional density in the final polymer chain

    Downstream process integration

    • Direct in-situ feed into polymerization or grafting reactor
    • Continuous measurement of residual monomer for process control
    • Post-modification blending and compounding as required

    Final product types

    • Bromoacetyl-functionalized acrylate or epoxy resins
    • Reactive adhesives for electronics assembly
    • Crosslinkable polymeric coating intermediates
    • Modified engineering plastics granules

    5. Fine Chemical Building Blocks Production

    Specialty fine chemical manufacturers use bromoacetic anhydride to create bromoacetyl chloride or related bromoacetates. These serve as highly reactive intermediates in coupling reactions, protecting group strategies, and nucleophilic substitutions for multiple downstream syntheses in research, diagnostic, and laboratory-scale production lines. Batch records and residue testing ensure compliance with analytical and preparative standards across all operations.

    Industry compliance standards

    • ISO 9001:2015 (Quality management systems)
    • REACH pre-registration for specialty organics
    • Responsible Care® program for supply chain safety
    • Applicable local hazardous chemical regulations

    Typical usage ratio

    • 1.0 molar equivalent, or slight excess for complete conversion in small- to mid-scale synthesis
    • Adjustment as per downstream reactivity and target selectivity

    Downstream process integration

    • Feed into stepwise synthesis, especially for nucleophilic substitution and protection/deprotection loops
    • Batch or semi-continuous addition with temperature and time control
    • Comprehensive work-up before building block isolation

    Final product types

    • Bromoacetyl chloride for further halogenation
    • Bromoacetate esters as activated intermediates
    • Diversified building blocks for R&D custom synthesis
    • Reference materials for analytical laboratories
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    Certification & Compliance
    More Introduction

    Bromoacetic Anhydride: Our Perspective from Chemical Manufacturing

    Bromoacetic Anhydride stands out in the world of specialty organic intermediates. Our manufacturing floor sees its importance in the synthesis of complex molecules every day. Chemists in our plant understand that this compound doesn’t just fill an order sheet—it fills a gap for industries needing a reactive, reliable, and consistent bromoacetylating agent. With the formula (C4H2Br2O3) and a well-defined purity level, it directly supports efficient reaction pathways in both research and industrial-scale settings.

    We Know Bromoacetic Anhydride from the Reactor Up

    Working on the production of Bromoacetic Anhydride is fundamentally different from repackaging or simple distribution. Each batch must clear hurdles of purity, control of moisture, and the precise handling of highly reactive intermediates. It contains two bromoacetyl groups bridged by an anhydride linkage. On our shop floor, we monitor each stage of bromination and acylation with tested methods rather than relying on abstract quality claims. Only through direct involvement in its creation do we appreciate its technical role: the compound turns up as a core ingredient in modifications of natural products, active pharmaceutical ingredients, and in stepwise construction of specialty polymers.

    This compound attracts organic chemists for acylation reactions in areas where basic agents simply don’t deliver. Take esterification of alcohols and amines, for example. Using Bromoacetic Anhydride, researchers introduce bromoacetyl groups with high selectivity and fewer byproducts than chloride analogues like bromoacetyl chloride. Our engineering personnel often point out the lower volatility and comparatively less irritating vapor, both of which keep facilities and teams safer under proper ventilation and handling.

    Manufacturing Challenges and How We Address Them

    Operators working on Bromoacetic Anhydride lines see first-hand the need for close moisture control. The anhydride group hydrolyzes if exposed to water, creating bromoacetic acid impurities. We maintain heated, moisture-controlled transfer lines and strict anhydrous environments. Every kilogram leaves our plant with verification of substance content, not just weight—that means actual measurements of purity, checked by gas chromatography and titration, not rounded estimates. This level of oversight reduces variability in our customer’s synthetic routes and final yields. Our analytical chemists regularly collaborate with process engineers, reviewing impurity profiles for patterns that point to upstream process drift or equipment fatigue.

    Direct manufacturing also brings us face-to-face with the reactivity and safety considerations. Heavy personal protection equipment, exhaust ventilation, and proactive training go hand in hand with our process culture. We invest in containment infrastructure and supply chain security. No one on our teams calls this an easy product to manufacture; only disciplined attention keeps output reliable and user-friendly.

    Applications Grounded in Real-World Chemistry

    Users in both academic and commercial labs count on Bromoacetic Anhydride for more than just routine bench work. Demand crosses over from synthetic organic chemistry—where it helps introduce bromoacetyl groups onto amines and alcohols—to material science, where it enables stepwise construction of functionalized polymers. Our team’s technical support fields questions from formulators working on advanced photoinitiators or modified starches. They want to know not only how to store it, but also how its reactivity compares with other bromoacetylating agents.

    Compared with bromoacetyl chloride, Bromoacetic Anhydride often proves less volatile in the reaction hood. The risk of side reactions through hydrochloric acid formation doesn’t present itself, allowing for cleaner conversions with pH-sensitive substrates. Where traditional bromoacetic acid would require coupling agents and generate more waste, the anhydride avoids these steps, enabling more streamlined synthesis. Medicinal chemists frequently reach out for technical support regarding scale-up from milligram to kilogram batches. Many cite anecdotal improvements in product yield and color quality—facts we can confirm from witnessing daily customer feedback and our analysis of spent reaction media.

    Specifications We Measure, Not Just Promise

    Within our facility, adherence to rigorous specifications forms the backbone of our quality commitment. Purity targets typically range above 98 percent, and moisture remains well below one percent owing to batchwise in-process checks. Our production workflow integrates closed-system transfer and specialized containment vessels, ensuring atmospheric exposure is essentially eliminated. Each drum or canister follows a chain of custody from reactor unloading to QA laboratory clearance.

    Beyond formal specifications, we keep an eye on physical and chemical stability. Bromoacetic Anhydride appears as off-white crystals—a visual cue teams use alongside infrared and NMR data for routine verification. Problems like yellowing, caking, or odor indicate process drift; on rare occasions impurities such as dibromoacetyl species may sneak through if a process window slips. Addressing these issues early prevents customers from running into trouble downstream during scale-up and application development.

    Distinctions from Other Acyl Transfer Agents

    Having manufactured not only Bromoacetic Anhydride but also a spread of other acylating agents, our technical team routinely observes the performance gap. Acetic anhydride finds use on the ton scale but can’t serve in the selective bromoacetylation of complex molecules. Bromoacetyl chloride shows high reactivity but risks excessive side reactions in sensitive work, and its fumes prove a constant nuisance, triggering both corrosion and occupational complaints. In comparison, Bromoacetic Anhydride carries the same core functional group in a less fuming, more manageable format—making it better suited for fine chemical, pharmaceutical, and advanced material workflows.

    Once, a contract client struggling with repeatability using acid chlorides swapped in our Bromoacetic Anhydride. Our troubleshooting revealed that their purification bottleneck ran back to aggressive hydrochloride salt formation. The anhydride’s byproduct proved easier to remove, and reaction performance stabilized. Small differences in specification and impurity management multiply out to substantial real-world value, as anyone working on tight reaction margins can attest.

    Sustainable Practices and Responsible Chemistry

    Operating as a manufacturer means every reaction step comes loaded with responsibility, both to end-users and to the environment. Our engineers have studied and validated recycling of process solvents, and every cycle gets calculated for efficiency. Waste products from bromoacetyl chemistry must meet local regulations before leaving our site; handling brominated byproducts poses unique environmental questions, so lab workers and production teams coordinate directly on filtration, neutralization, and final disposal.

    Over the past few years, regulatory scrutiny of halogenated intermediates has intensified. Our environmental stewarding efforts reach beyond paper protocols. Continuous air monitoring ensures no fugitive emissions of volatile organobromines. Water used for cleaning reactors passes through activated carbon treatment units before any possibility of discharge. Monthly internal audits keep our procedures up to date with evolving standards, and our partnership with industrial waste handlers guarantees traceable end-of-life paths for all process streams. Customers can rely on us for transparent documentation and honest discussion of product stewardship.

    Quality Assurance Backed by Experience

    Process engineers, QA managers, and lab chemists alike feed decades of collective experience into our handling of Bromoacetic Anhydride. Every analytical result gets double-checked, and we do not rush through release protocols for the sake of deadlines. Our clients sometimes share technical bulletins sourced from resellers that describe “standard” batches or “typical” impurity profiles—a language foreign to our manufacturing floor. For us, it's about real measurements, traceable results, and responsiveness when clients describe unexpected outcomes in their R&D or process trials. We keep detailed batch records and welcome technical audits from partners looking to understand not just the product, but how it’s made and controlled.

    Experience has also taught us the value of feedback. Some of our ongoing process improvements stemmed from conversations with users aiming to reduce discoloration during light-sensitive synthesis steps, or with R&D teams chasing lower water content for moisture-susceptible actives. Every change reflects a cycle of production feedback, lab observations, and pragmatic adjustment—no abstract promises, just iterative improvement.

    Working Directly with the End User

    Unlike brokers or resellers, our manufacturing team directly supports the scale-up challenges faced by partners trialing Bromoacetic Anhydride for new applications. We maintain technical dialogue not only for troubleshooting, but for process mapping, reaction reproducibility, and joint problem-solving. Recent projects include custom batch sizes for startups exploring medical device coatings, and consultation sessions with university researchers transferring reactions developed in the literature to kilogram-scale pilot runs.

    This hands-on support stems from years in the field. Clients often share preliminary analytical data or process outlines, and we offer feedback on purity management, safe handling, and compatibility. By approaching these opportunities with openness and technical clarity, we keep innovation pathways open and accelerate product development cycles. From material sourcing to packaging, our focus remains consistency, safety, and technical relevance.

    Conclusion: Why We Make Bromoacetic Anhydride

    Manufacturing Bromoacetic Anhydride demands more than technical know-how: it asks for attention to detail, environmental responsibility, and a respectful partnership with the scientific and industrial community. Each lot produced represents the combined experience of trained chemists, engineers, and quality controllers who understand not just what the product is, but why it matters in the lab, in the plant, and in the broader effort to advance specialty chemistry. Our ongoing investment in safety, process control, and customer collaboration keeps the product relevant, safe, and effective for new generations of application.