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2,3-Dibromo-1,4-Butanediol

    • Product Name 2,3-Dibromo-1,4-Butanediol
    • Alias 2,3-Dibromo-1,4-tetramethylene glycol
    • Einecs 221-477-2
    • 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

    922897

    Chemicalname 2,3-Dibromo-1,4-Butanediol
    Casnumber 6712-98-7
    Molecularformula C4H8Br2O2
    Molecularweight 263.92 g/mol
    Appearance White to off-white solid
    Meltingpoint 83-86 °C
    Density 2.15 g/cm³
    Solubilityinwater Soluble
    Smiles C(C(CO)Br)COBr
    Inchi InChI=1S/C4H8Br2O2/c5-3(1-7)4(6)2-8/h3-4,7-8H,1-2H2

    As an accredited 2,3-Dibromo-1,4-Butanediol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging is a 100-gram amber glass bottle, sealed with a plastic screw cap, labeled with chemical name, purity, and hazard warnings.
    Shipping 2,3-Dibromo-1,4-Butanediol should be shipped in tightly sealed, corrosion-resistant containers, clearly labeled with hazard information. Transport must comply with applicable regulations for hazardous materials, avoiding exposure to moisture and extreme temperatures. Handle with care to prevent leaks or spills, and include safety documentation such as the Safety Data Sheet (SDS).
    Storage 2,3-Dibromo-1,4-Butanediol should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers. Protect from moisture and direct sunlight. Store at room temperature and ensure proper labeling. Avoid sources of ignition and keep the container upright to prevent leaks or spills.
    Application of 2,3-Dibromo-1,4-Butanediol

    Applications of 2,3-Dibromo-1,4-Butanediol in Industrial Manufacturing

    2,3-Dibromo-1,4-Butanediol serves as a specialty intermediate in chemical synthesis, with established downstream use in several key industrial sectors. As the manufacturer, we have provided detailed information on principal applications, technical compliance, formulation practices, integration into workflow, and the corresponding final products, supporting accuracy and practical insight for procurement, R&D, and production teams.

    1. Synthesis of Agrochemical Active Ingredients

    Downstream agrochemical manufacturers employ 2,3-dibromo-1,4-butanediol as a key brominated intermediate for the preparation of certain selective herbicides and fungicide actives. Its dibromo functionality enables precise introduction of bromine atoms into target molecules, supporting complex ring-closure reactions required in patent-protected crop protection agents. Integration of this intermediate helps maintain stringent control over impurity profiles, in line with regulatory registration requirements for active substances.

    Industry compliance standards

    • FAO/WHO Pesticide Specifications
    • European Union Regulation (EC) No 1107/2009 (plant protection product approvals)
    • ISO 9001:2015 Quality Management for raw material traceability
    • BPR (EU Biocidal Products Regulation) for secondary routes

    Typical usage ratio

    • 1.5%–8% of total reactant molar input, varying by crop protection molecule
    • Adjusted by synthetic route and bromination efficiency targeting yields above 93%

    Downstream process integration

    • Charged to reaction vessel during multi-stage synthesis post initial condensation
    • Functions as a primary brominating intermediate prior to final cyclization or esterification
    • Introduced under cool and controlled addition to manage exothermicity

    Final product types

    • Herbicidal actives for cereal and maize crop formulations (e.g., selective pre-emergence herbicides)
    • Specialty fungicide actives for seed treatment
    • Intermediate compounds shipped for final formulation filling

    2. Pharmaceutical Intermediate for Central Nervous System (CNS) Drug Synthesis

    Pharmaceutical manufacturers source 2,3-dibromo-1,4-butanediol as a non-commodity building block to support multi-step synthesis of active pharmaceutical ingredients, especially certain CNS-targeted drugs. The molecule’s brominated diol structure facilitates substitution and ring-formation reactions invaluable for heterocycle backbone construction in innovative small-molecule medications. Strict GMP-compliant handling assures reproducibility, minimizing the risk of cross-contamination in ISO-classified production environments.

    Industry compliance standards

    • ICH Q7A Current Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • Ph. Eur. (European Pharmacopoeia) reference for process intermediates
    • US FDA 21 CFR Part 211 drug manufacturing controls
    • ISO 14644 for cleanroom operation and traceability protocols

    Typical usage ratio

    • Up to 6% mass-to-mass in intermediate API stages; ratio set by active core structure design
    • Often employed in micromole-to-mole equivalence for precise ring/bridge formation

    Downstream process integration

    • Added during the ring closure or side-chain construction stage in multi-step API synthesis
    • Processed in sealed vessels under nitrogen to limit byproduct bromides
    • Subsequently removed via washing and distillation prior to downstream API coupling

    Final product types

    • Heterocyclic CNS drug intermediates (e.g., anticonvulsants, anxiolytics based on brominated functional groups)
    • APIs advancing to encapsulation and tablet pressing
    • Bulk intermediates supplied under DMF (Drug Master File) registration for international pharmaceutical clients

    3. Monomer for Specialty Polymer Production

    Chemical processors select 2,3-dibromo-1,4-butanediol for introduction as a minor monomeric component in flame-retardant, high-performance polymers. The presence of bromine atoms allows controlled copolymerization, supporting compliance with fire-safety requirements in advanced electronics and specialty coatings. Manufacturing sites operate continuous-mode or batch reactors with certified emissions abatement given the brominated nature of this raw material.

    Industry compliance standards

    • UL 94 (flammability standards for plastic materials)
    • IEC 60695-11-10 and RoHS Directive for restricted substances
    • ISO 14001 for environmental management during brominated raw material handling
    • REACH Annex XVII for monomer use in Europe

    Typical usage ratio

    • Ranging from 0.2%–2.4% w/w as a flame retardant monomer component
    • Optimized to balance mechanical strength and flame retardance in copolymers

    Downstream process integration

    • Metered into pre-polymerization blending tanks ahead of heating and polymer chain initiation
    • Participates in in-line mixing to ensure uniform bromine incorporation
    • Employed in either batch or continuous reactor settings depending on polymer type

    Final product types

    • Flame-retardant epoxy resins for circuit board substrates
    • Specialty coating materials meeting fire safety requirements
    • Resin composite parts for industrial and automotive electronics

    4. Component in Biocide and Preservatives Formulation

    Manufacturers of industrial water treatment agents select this dibromo-diol as an essential intermediate in the production of halogenated biocides. Its precise di-bromination and diol structure enable effective downstream derivatization for the synthesis of fast-acting microbicides used in cooling water, wastewater, and process fluids. Ongoing quality control ensures batch release meets safety and efficacy standards for use in institutional and industrial environments.

    Industry compliance standards

    • US EPA FIFRA (Federal Insecticide, Fungicide, and Rodenticide Act) for water treatment chemicals
    • EN 1276 standard (bactericidal activity for chemical disinfectants)
    • OECD Biocidal Products Directive (98/8/EC)
    • ISO 17025 for laboratory batch analysis and certification

    Typical usage ratio

    • Between 1%–5% (w/w) in active ingredient synthesis phase
    • Final loading in formulated biocide blends varies by target system volume and microbial load

    Downstream process integration

    • Introduced during initial reaction step with amines or polyols for halogenated biocide formation
    • Reacted at controlled pH with phase monitoring for bromine release control
    • Filtered and concentrated prior to blending into liquid or solid biocide formulations

    Final product types

    • Bromine-based microbicide concentrates for industrial water treatment
    • In-can preservatives for paints and process fluids
    • Broad-spectrum antifouling agents for cooling tower and process water maintenance
    Free Quote

    Competitive 2,3-Dibromo-1,4-Butanediol prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    2,3-Dibromo-1,4-Butanediol from a Manufacturer’s View

    Working with 2,3-Dibromo-1,4-Butanediol: Our Hands-On Perspective

    Standing in the plant, surrounded by drums of raw material and watchful operators, I get a straightforward sense of what it means to actually make 2,3-Dibromo-1,4-Butanediol. We’re deep in the chemistry, pulling out pure intermediates from reaction vessels, not piecing together a supply chain from imported bulk stock. That difference brings a practical understanding: every batch that leaves our floor wears the demands of process control, feedstock quality, and years of experience on its sleeve.

    In daily production, we start right at the intersection of organic halogenation and diol synthesis, hands-on with bromine chemistry. 2,3-Dibromo-1,4-Butanediol, molecular formula C4H8Br2O2, emerges as a robust organic intermediate for specialized downstream manufacturing. Our focus narrows on the industrial model with high assay—often ≥98% purity, colorless to faintly yellow crystals, low water content, and particles that reflect careful crystallization. From drum filling, we observe lot-to-lot consistency by tightening our reaction conditions and crystallization rates; the market rarely forgives a variance beyond 0.5% in purity, and neither does an end user’s QA lab.

    Why Choose This Product for Downstream Applications

    Direct users—those who formulate active pharmaceutical ingredients, polymers, or specialty chemicals—come to us because they need a halogenated four-carbon diol that holds up under scale-up. This compound is designed for people who need a solid diol backbone with two well-placed bromines, not simply for its chemical novelty, but for its reactivity and compatibility with custom synthesis routes. The symmetrical dibromo substitution opens selective pathways in crosslinking reactions, guarantees reactivity in esterification or etherification, and often handles milder reaction conditions than bulkier, more hindered diols or heavily branched halogenated molecules.

    Some markets source diols or bromine intermediates from general resellers who never touch the reaction vessel. By comparison, we routinely adjust synthesis to address issues discovered only during actual use, such as trace impurities that poison certain organocatalysts or unexpected color that complicates analytical QA. For us, quality doesn’t just mean purity on a certificate but actual function in the end process—these insights come only from direct involvement in both making and troubleshooting.

    Comparing 2,3-Dibromo-1,4-Butanediol to Other Diols and Halogenated Products

    Plenty of manufacturers offer glycol derivatives or halogenated diols, but 2,3-Dibromo-1,4-Butanediol fills a gap regular glycols, such as 1,2- or 1,4-butanediol, can’t. Generic butanediol finds its way into polyurethanes or solvents, but lacks the selectivity or functional group activation needed for precise specialty synthesis. Simple halogenated mono-alcohols tend to be more volatile and sometimes less stable in storage. In practical terms, this means formulators seek our product when seeking controlled reactivity over brute-force halogen content.

    Our team’s years of direct feedback from end users highlight a specific advantage of 2,3-dibromo substitution: it enables tightly controlled crosslinking or chain extension in polymer production. For instance, epoxy manufacturers looking for specialty adhesives or high-end coatings often report cleaner reaction profiles, less byproduct formation, and greater batch yields after switching from crude brominated mixtures. In pharmaceuticals, customers need a stable, well-defined intermediate with predictable downstream transformations—this product’s twin bromines deliver functional handles for further derivatization without the reactivity pitfalls of, say, mono- or tribromo analogs, or unrelated halogen patterns.

    Process and Specifications: What Sets Our Product Apart

    In practice, our typical specification reflects both industry needs and the lessons learned from repeated process runs. Each batch of 2,3-Dibromo-1,4-Butanediol exits the reactor as a crystalline solid, filtered, washed, and vacuum-dried to achieve water content below very low limits. Our in-line GC and HPLC analyses screen out diol isomers and unreacted starting material; trace elemental analysis captures iron, copper, and heavy metals, because lingering catalyst traces can kill an entire batch downstream, especially in fine chemicals.

    Purity levels achieve ≥98%, but regular feedback pushes us to control not just residual solvents, but also color, melting point consistency, and absence of bromide ion contamination. We assign unique lot numbers, provide full traceability, and archive reference samples for each consignment, so users in pharmaceuticals have a paper trail—auditors and customs control want those details, not just certificate declarations.

    While many distributors limit their involvement to Third-Party QA, we run stress testing in storage: shelf life is tracked under real conditions, not theoretical tables. We’ve learned that improper packaging (polyethylene drums, not steel) prevents reaction with trace metal ions. Users who store product at ambient temperature, far from dry rooms or climate control, still need material that resists clumping or color drift over months. Each package ships with desiccants in moisture barrier bags, a detail that seems simple until you realize how quickly performance drops with even minor water uptake.

    End Use Cases: Real Feedback and Real Solutions

    Several customers shared their challenges with less-refined brominated intermediates: color shift, high water content, and inconsistent grain size. In one instance, a polymer plant’s QC team identified specks of unknown substance gumming up filtration lines—a root cause pointing back to poor crystallization in the original material. In contrast, batches from direct synthesis with tight quality standards (what we pursue) allow quick resolution. We take these reports back to production; SOPs evolve—washing steps expand, solvent choices change, receiver temperatures are fine-tuned—not through paperwork cycles, but by day-to-day troubleshooting between operators and R&D.

    Our pharmaceutical customers pursue complex syntheses with strict regulations, so traceability and documentation can make or break a supply contract. They testified that process delays from out-of-specification intermediates can spike costs and risk project timelines. As an invested manufacturer—not just a paper-pusher—we worked with them on tailored impurity profiles, adjusting our filtration and drying to meet strict ICH guidelines, turning a potential supply bottleneck into a collaborative technical partnership.

    Some researchers explored using our product in flame retardant development. Their feedback taught us that even microtrace levels of residual organic solvents could impact the test results or fire resistance. These lessons tighten our solvent removal parameters. That constant two-way communication keeps us improving, batch after batch, well past the minimum regulatory bar.

    Handling, Storage, and Logistics Insights from the Plant Floor

    We sometimes get requests to break bulk shipments or recommend packaging tweaks for repack stations downstream. The reality on-site is messy compared to standard protocol: forklift lanes, drum stacking, exposure to dust and moisture, even rough handling at border warehouses. Direct involvement in packaging selection puts us a step ahead: high-density polyethylene drums or lined fiber drums, never steel or unlined bags, and always double-sealed liners for shipment across humid climates. Each transport route is mapped to minimize temperature swings.

    Logistics teams tracing delays or transport damage share reality checks that improve our material handling practices. If customs clearance or import rules delay delivery, batch documents up at the front of the file—lot analysis, COAs, chain of custody paperwork, and appearance—all lined up for inspection. We help customers prep for these hurdles, sharing lessons from the field rather than quoting regulations.

    Regulatory and Compliance Experience: Meeting More Than the Minimum

    We operate under direct glare of inspectors, not just the promises of certification paperwork. Meeting REACH or equivalent standards in the EU, or toxicity and impurity levels tracked by FDA-facing clients, shaped our process. We keep banned substances out of the workflow, not just because regulations say so, but because our downstream users check at every turn. Our team maintains up-to-date Safety Data Sheets, composition breakdowns, and documentation from lab bench through packaging—so our partners don’t get caught off guard during a compliance audit.

    We learned the hard way that supply chain transparency brings market trust. When one batch flagged on a downstream HPLC for questionable isomeric byproduct, we tracked the entire synthetic lineage back through stepwise analysis, shared the entire file with the customer, and adjusted purification routines. Years of this double-loop feedback and root-cause traceability, not just paper passing, separate a true manufacturer from a label-filler.

    Environmental, Health, and Safety Experience

    In practice, large-scale bromine chemistry must never ignore operator safety or environmental discharge. Our shop runs closed systems for volatile emissions control, maintaining monitored scrubbing for every vent. We’ve updated PPE protocols based on practical staff feedback—the gloves, suits, eyewear change out every shift, and neutralization baths are at hand, not on a distant safety chart.

    Effluent and waste tracking matter because no regulatory body forgives lost control. We partner with certified waste handlers and regularly upgrade scrubber systems to limit bromine release. Real-life test results during maintenance shutdowns drive upgrades to our plant-wide practices, not narrative promises stored on a shelf. Skill development and safety meetings run regularly, with hourly operators describing issues, not just EHS managers from a conference room.

    Supply Consistency: What Real Manufacturing Brings You

    Our buyers—seasoned chemists and process engineers—demand proof that commitments match real production capacity. They work project schedules around our promised lead times and lot traceability, not thirdhand market speculation. Our process scale supports orders from pilot lot to production tonnage, with continuous process monitoring and QA at each batch. If a user finds even a minor variation, we’re one phone call away from the plant manager who witnessed the actual batch made, not just an anonymous supplier desk.

    Managing inventory is more than numbers on a spreadsheet. The day after a missed shipment due to a production hiccup, we’re sending status updates and real-time recovery estimates. Bulk buyers get visibility into inventory levels and scheduled turnaround, not empty promises leading to backorders. This reliability supports not just pricing, but also just-in-time manufacturing for our customers with tight window projects.

    Why 2,3-Dibromo-1,4-Butanediol Remains the Practical Choice

    Because we keep our production in-house, we stay close to the shifts in demand and specification common in specialty chemistry. We don’t rely on re-bottling or reselling: every kilogram comes from reactors under our watch. Customers with consistently changing specification requests find responses that match their technical needs—modest shifts in particle size, drying parameters, or packaging for overseas rainy season shipments—because our team knows the workflow and has agency to act on it.

    Upstream control gives freedom to redesign process parameters quickly. Whether it’s a color standard set by a coatings customer or a batch size constraint for a contract manufacturer, feedback shapes our routines. Even decades into making this compound, input from bench chemists, scale-up scientists, and even logistics managers finds its way into next month’s process, not just marketing campaigns.

    Industry Trends and Looking Forward

    Global market signals don’t affect us secondhand—they land directly in our planning sessions. Regulatory moves to cut chlorinated solvents, for example, tangle many halogenated intermediates in compliance hurdles, but our process relies on robust bromination routes that can adapt to regulatory and environmental updates. As demand grows for higher-purity, less toxic, and traceable feedstocks, suppliers without direct process control will struggle to adapt; for us, these challenges offer opportunity for further process improvement and industry leadership.

    Speaking frankly, the industry will always value a supplier who adapts recipes and QA quickly, not just one chasing the lowest price per kilogram. By remaining directly involved in upstream synthesis, we’ll keep offering 2,3-Dibromo-1,4-Butanediol at a grade and consistency that meets the evolving needs of pharmaceuticals, polymers, coating technologies, and other high-value sectors. Years of experience tell us that real solutions for user challenges arrive not from outsized marketing claims, but from attentive manufacturing, ongoing process improvement, and open customer feedback. That approach keeps us ready for whatever the next technical challenge might be in this ever-demanding chemical landscape.