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Dibromomethane

    • Product Name Dibromomethane
    • Alias Methylene bromide
    • Einecs 204-064-2
    • 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
    VTB
    Specifications

    HS Code

    706769

    chemical_name Dibromomethane
    chemical_formula CH2Br2
    molecular_weight 173.83 g/mol
    cas_number 74-95-3
    appearance Colorless liquid
    odor Sweetish odor
    melting_point -52.7 °C
    boiling_point 96.7 °C
    density 2.477 g/cm³ at 20 °C
    solubility_in_water 0.33 g/100 mL (20 °C)
    vapor_pressure 53 mmHg (20 °C)
    refractive_index 1.541 (20 °C)

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

    Packing & Storage
    Packing A 500 mL amber glass bottle, tightly sealed with a PTFE-lined cap, labeled with hazard warnings and Dibromomethane chemical details.
    Shipping Dibromomethane should be shipped in tightly sealed containers, away from sources of ignition, and stored in a cool, well-ventilated area. It is classified as a hazardous chemical (UN 2663). Transport requires compliance with local, national, and international regulations for flammable liquids, including appropriate labeling and documentation. Avoid contact with incompatible materials.
    Storage Dibromomethane should be stored in a cool, dry, well-ventilated area away from direct sunlight, heat, and sources of ignition. Keep the container tightly closed and clearly labeled. Store separately from oxidizing agents and strong bases. Use corrosion-resistant containers and avoid contact with metals. Ensure appropriate spill control and fire protection equipment is readily accessible in the storage area.
    Application of Dibromomethane

    Applications of Dibromomethane in Industrial Manufacturing

    Dibromomethane serves as a specialized halogenated intermediate in several chemical sectors, supporting synthesis processes that result in high-value materials and performance products. Our manufacturing expertise ensures secure bulk supply and proven industrial integration for downstream producers operating globally.

    1. Agrochemical Intermediate Synthesis

    Manufacturers in the agrochemical industry utilize dibromomethane as a crucial intermediate in active ingredient synthesis, leveraging its halogenating capability for constructing brominated pesticide molecules. The compound enters early-stage reactions to introduce precise bromine atoms, which are required in specific ring systems for fungicides, herbicides, and insecticides. This allows controlled molecular modification, delivering compounds with targeted biological activity and regulatory acceptance.

    Industry compliance standards

    • REACH Regulation (EC) No. 1907/2006 (EU)
    • Regulation (EC) No 1107/2009—Active Substances Approval (EU)
    • US EPA CFR Title 40—Pesticide Registration Guidelines
    • ISO 9001:2015 for Quality Management in Fine Chemical Production

    Typical usage ratio

    • 0.8–1.2 molar equivalent to aromatic or olefinic substrate, adjusted based on target molecule bromination degree and side reaction minimization

    Downstream process integration

    • Dibromomethane charged into glass-lined or stainless-steel reactors during batch synthesis
    • Reacts under controlled temperature and inert atmosphere for mono- or dibromination steps
    • Effluent treatment ensures safe handling of halo-organic residues per environmental guidelines

    Final product types

    • Brominated pesticides (herbicides, insecticides, fungicides)
    • Plant growth regulators
    • Soil treatment agents

    2. Pharmaceutical Intermediate Production

    Dibromomethane functions as a selective brominating agent and carbon source in pharmaceutical active ingredient synthesis. Its compact molecular structure enables precise insertion of bromine into complex organic molecules at predetermined stages, which is essential in developing active pharmaceutical intermediates (APIs) for anti-infectives, oncology agents, and CNS drugs. API manufacturers rely on stringent control of purity and trace bromide levels throughout the process to guarantee regulatory-compliant output.

    Industry compliance standards

    • ICH Q7—GMP for Active Pharmaceutical Ingredients
    • USP-NF (United States Pharmacopeia–National Formulary)
    • European Pharmacopoeia (Ph. Eur.)
    • China Pharmacopoeia (ChP) for API production

    Typical usage ratio

    • 0.95–1.1 molar equivalents relative to substrate; optimized to minimize overbromination and byproduct formation

    Downstream process integration

    • Added during early or intermediate bromination stages in controlled, validated batch reactors
    • Product filtered and purified via crystallization or chromatography to remove organobromide residues
    • Strict batch record documentation and residue traceability throughout processing

    Final product types

    • Intermediates for antineoplastic APIs
    • Precursors for CNS drug molecules
    • Building blocks for anti-infective agents

    3. Fine Chemical and Specialty Solvent Manufacturing

    Chemical synthesis plants incorporate dibromomethane for specific halogen exchange reactions, solvent formulation, and as a building block for flame retardants and specialty organic compounds. The compound’s physical properties enable process engineers to achieve targeted halogen content, solubilization power, and oil compatibility, vital in complex fine chemical recipes. Continuous process monitoring ensures downstream consistency and safety within regulated manufacturing systems.

    Industry compliance standards

    • OECD Good Manufacturing Practice for Industrial Chemicals
    • ISO 14001:2015—Environmental Management Systems
    • Globally Harmonized System of Classification and Labelling of Chemicals (GHS)
    • Company-specific internal QC standards for hazardous solvents

    Typical usage ratio

    • 5–30% (w/w) as a co-solvent or functional intermediate depending on targeted product formulation

    Downstream process integration

    • Used directly as a reaction medium or introduced as an intermediate to facilitate halogenation and condensation processes
    • Integrated with other halogenated or non-halogenated components in multi-stage synthesis or blending operations
    • Solvent recovery and recycling protocols mandated for environmental compliance

    Final product types

    • Flame retardant additives and masterbatches
    • Brominated specialty solvents for electronics or extraction
    • Custom fine chemical intermediates

    4. Polymer and Resin Modification

    Producers of specialty polymers and engineered resins add dibromomethane to introduce bromine functionality, achieving tailored fire resistance and dielectric properties in high-performance materials. The additive enters polymerization reactions or is grafted onto polymer chains by controlled addition, granting measurable improvements in product performance required in wire and cable coatings, electronics away from halon-based systems, and niche thermoset applications. Integration demands careful stoichiometric calculation to avoid structural defects and to ensure persistent thermal stability.

    Industry compliance standards

    • UL 94—Flammability Standards for Plastics
    • REACH SVHC Regulation (EU)
    • RoHS 2011/65/EU—Restriction of Hazardous Substances Directive
    • ISO 9001:2015—Quality Management for Polymer Production

    Typical usage ratio

    • 0.5–8% by weight of total monomer feed, tuned based on resin system and flammability rating required

    Downstream process integration

    • Metered addition to polymer reactor or compounding line during resin manufacture
    • Controlled post-reaction blending for surface modification or coating
    • QC sampling for bromine incorporation and migration stability tests

    Final product types

    • Flame-retardant thermoplastic resins
    • Specialty wire and cable insulation
    • Electronic component encapsulants
    • Fire-safe composite panels
    Free Quote

    Competitive Dibromomethane prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Dibromomethane: Direct from Our Chemical Manufacturing Facility

    Real Experience with Dibromomethane Production

    Producing Dibromomethane in-house means our teams work hands-on with the substance day in and day out, from reaction setup to purified product. Over years spent on the line, the unique properties of this compound have become second nature. We do not just know the numbers that describe its physical characteristics; we test, measure, and monitor them batch after batch. The importance of tight process control becomes clear when dealing with a solvent that boils at 97 °C, a liquid that holds its own profile compared with lighter or heavier halomethanes. Consistent quality counts, and the margins at scale can be narrow. Our onsite teams operate and optimize reaction vessels and purification trains to turn out batches with purity levels that ambitious labs rely on.

    How We Formulate, Package, and Test Dibromomethane

    Our process relies on precise chemistry, using methylene chloride and bromine under controlled temperatures and continuous monitoring. Each run ends with careful distillation, removing byproducts and confirming purity before we move on. Skilled technicians verify color, measure moisture, and test for trace reactive impurities using gas chromatography. This hands-on scrutiny means every lot that leaves our loading dock matches the standards demanded by equipment manufacturers and research teams. Because impurities can interfere with reagents or project targets, we watch the details closely. The cycle of production, storage, and dispatch gives us first-hand feedback that shapes every decision, from drum coating to bulk systems.

    Dibromomethane vs Other Standard Halomethanes

    Workers in our chemical facility encounter many common halomethanes. Dichloromethane, chloroform, tribromomethane—each has signature properties. Among them, Dibromomethane stands out when higher density, lower vapor pressure, and increased chemical reactivity are values to maximize. Compared with dichloromethane, we find that Dibromomethane offers stronger solvating properties in some syntheses and extraction steps. Its heavier molecular weight makes it easier to separate from some mixtures by density-driven settling, and its intermediate boiling point adds useful selectivity to purification schemes. Some customers who use our products for pharmaceutical building blocks appreciate the particular reactivity patterns enabled by two bromine atoms on a single carbon.

    Among brominated methanes, the difference between Dibromomethane and tribromomethane (bromoform) shows up in practical use: bromoform brings supply challenges, toxicity concerns, and a much higher density that does not suit all extraction needs. We routinely discuss regulatory and handling issues with customers, and those working under tight environmental controls often come back to Dibromomethane as a balance between technical capability and logistical practicality. Where a lighter, more volatile solvent risks higher losses or safety incidents, our team routinely helps clients plan setups that benefit from the moderate vapor pressure and stability of this product.

    Where the Product Goes: Real-World Applications We See Daily

    Our Dibromomethane finds its way into research labs, pilot plants, and established manufacturing lines. Teams in chemical synthesis use it for selective bromination, Grignard reagent preparation, and extraction. Some rely on our material as an intermediate in the manufacture of certain pharmaceuticals. Others depend on it for specialty cleaning, where the brominated structure assists with dissolving polar and non-polar contaminants. Agricultural chemical manufacturers use our direct-supplied lots for downstream transformations, where site-to-site consistency makes the difference in yield.

    Reliable performance in extractions and syntheses shows up every year as regular clients return for more product. We know which drums go to pesticide developers, which tank containers head to specialty electronics makers, and which R&D labs order in smaller batches for bench-scale work. This exposure helps us understand what matters most—purity for synthesis, logistical flexibility for pilot production, and straightforward container and labeling options for rapid handling.

    Facing Health, Safety, and Environmental Responsibilities

    We handle Dibromomethane under rigid safety protocols. The facility operates with closed systems wherever possible, minimizing vapor emissions and worker exposure. Technicians wear fitted respirators and gloves, especially during maintenance and loading. Real-world incidents remind us that Dibromomethane vapor, though less acute in odor than chloroform, quickly accumulates in confined areas. We have seen that spills, if left unattended, add to clean-up complexity since the higher molecular weight keeps vapors near floor level—a detail new employees quickly come to appreciate.

    Removal of waste and process water falls under strict environmental regulations. Our site captures vapors and monitors discharge closely, investing in scrubber technology and leak detection. Auditors from regional authorities make regular rounds, and our experience with past inspections leads us to aim for transparency and readiness. Any deviation from protocol gets reviewed in daily shift meetings, not just for compliance, but because safety underpins quality and reputational trust. Over the years, this diligence pays off: fewer worker incidents, no unplanned downtime, and continued trust from partners who value responsible sourcing.

    Market Trends: What Customers Want and What We See Coming

    Demand for Dibromomethane tracks broader trends in specialty organic synthesis and solvent substitution. This year, some market segments shifted to greener alternatives, but end-users for whom technical requirements trump everything else continue to specify high-purity Dibromomethane. Our direct conversations with formulation chemists and process managers suggest they care about low water content, guaranteed bromine to carbon ratio, and on-time delivery more than packaging design or marketing claims. We hear regular feedback on shipment size and secondary containment—practical matters that drive our operational adjustments.

    In response, we started offering more flexible lot sizes and revisited our documentation practices to shorten the time needed for purchasing or quality approvals. Real experience with Just-In-Time requests taught us to hold dedicated safety stock and reinforce truck routing options. Investment in extra crude bromine sourcing and backup production lines came not from theory, but from past order surges and bottlenecks that cost both us and customers lost days.

    Differences Seen in Actual Usage: User Feedback Loops

    Direct feedback from returning buyers reveals more about application fit than any spec sheet. Some tell us Dibromomethane enables cleaner bromination steps, reducing byproducts where alternative halomethanes generate excess halide or acid. Biotech integrators point out that the intermediate boiling point simplifies rotary evaporation, cutting cycle times compared to heavier solvents. Labs developing new chemical entities report that, compared to dibromoethane, our product brings them a simpler impurity profile—a practical difference when downstream purification options narrow.

    As a manufacturer, we often troubleshoot problems with users facing phase separation issues. Our staff, familiar with exact densities and how they play out in real systems, can walk customers through practical choices for decanting, venting, and storage, supporting them with details derived from long production runs rather than literature alone. Years spent testing compatibility with storage linings, seals, and gaskets bring insight into which container types last and which degrade prematurely. No supplier’s manual anticipates every failure mode, so experience makes the best guide.

    Quality Control Stories from the Manufacturing Floor

    Quality control teams see the whole spectrum of possibilities: drum leaks, odd colorations, micro-scale contamination, and even the occasional mislabelling. Each time, the incident feeds directly into our process review. Our lot traceability goes beyond paperwork; every batch receives a full analytical run, cross-checked by different teams. Outlier values on moisture, non-volatile residues, or trace contaminants trigger investigation, often leading us back to process step or raw material change. Direct feedback from our downstream partners sometimes prompts us to retest or even recall product—not out of regulatory pressure, but because early intervention preserves mutual trust.

    Years of hands-on sorting and fixing small problems add up. One year, a new subcontracted drum manufacturer inadvertently shortened the internal lining for our standard containers; after a series of customer complaints about off-color batches, we conducted full compatibility testing and requalified all packaging. The downstream effect was a reduction in waste returns, fewer transportation problems, and a hard-won boost in customer confidence. Technology and procedure both matter, but the main lesson stays the same: people on the ground identify actual improvements.

    Technical and Practical Considerations for Heavy-Duty Users

    High-use customers—those who order by the ton—bring separate challenges and perspectives. Their process operators want frequency in testing, calibrated meter readings for flow and fill, and clear time windows for unloading and connection. They deal with rapid drum changes, large-bore transfer lines, and multi-step cleaning. Rather than emphasize ideal specs, these customers demand speed and certainty as much as purity. Delivery windows often run tight because just a few hours' delay costs thousands in lost plant time. Our dispatchers adjust routing in real-time, our filling teams double-check labelling and sealing, and our sampling crew sometimes works overnight to keep supply moving.

    Workers in these environments often catch trace impurities faster than any lab instrument, simply by watching for changes in reaction yield or off-normal residue build-up. Exchanges at these sites influence how we flag and segregate suspect drums, rotate stocks, and prioritize site support visits. Pooling this hands-on knowledge helps us anticipate subtle issues: changes in atmospheric humidity, impact of temperature swings on drum storage safety, and the importance of tamper-evident seals for multi-shift operations.

    Troubleshooting, Claims, and Building Practical Solutions

    Every manufacturer faces complaints—what matters is how fast and how honestly we respond. Our post-shipment support hinges on direct access to plant chemists and line supervisors who actually make the dibromomethane, not just logistic staff or outside agencies. Recurring themes include requests for lower particulate count, improved drum drains, or faster documentation turnaround. In some years, border controls and customs paperwork have added days to delivery, highlighting the need for transparent communication so plants downstream can adjust schedules with a minimum of disruption.

    The realities of chemical logistics mean we sometimes retrieve material, process it through in-house reclamation, and return credit or replacement to affected users. Each remediation sharpens our procedures—from double-sealing fill lines to redesigning barcode traceability. By tracking complaint categories and outcomes, we spot patterns before they grow into large-scale disruptions. Dialogue with equipment operators and end-process chemists brings different priorities than procurement departments, reminding us there’s no substitute for plant-level experience.

    Supply Chain Resilience: Lessons from Disruptions

    Major weather events, transport gridlock, or upstream raw material shortages can disrupt the best-laid plans. We have had years where regional bromine shortages or logistics strikes led to allocation and prioritization of critical lots. The experience revealed which partners are willing to plan for buffer stock and who runs strict Just-In-Time inventories. Some sectors, especially electronics and pharmaceutical intermediates, simply cannot wait when operating at a scale where one day of downtime means many shipments lost.

    Over time, these lessons encouraged us to bolster supplier diversity and investment in process redundancies. At the same time, we share real-word constraints with the users, so they know what to expect in contingency scenarios—not just from an abstract risk standpoint, but with concrete timelines and batch tracking. Our partners adjusted their ordering patterns; a few built local storage, while others moved to staggered order placement. These relationships, grown from trial and error, hold up best during market shocks, and every disruption brings a fresh round of improvements.

    Training, Skills, and the Value of Experienced Staff

    The human element behind Dibromomethane manufacturing should not be underestimated. Technicians with years on the floor notice process drifts quickly and act before serious deviations occur. Their skills cover everything from distillation curve recognition to manual leak tracing. New operators learn protocol, but seasoned staff give context—pointing out steps in filling, handling, and dispatch that prevent small errors from cascading into costly problems.

    We invest heavily in regular training: not only on regulatory compliance and hazardous material management, but on practical troubleshooting, site safety, and cross-checking shipment paperwork. On occasion, this means paying for overnight hotel stays for additional shift coverage, running lineup checks at dawn, and organizing practice runs for new containment equipment. The payoff comes in safety records, process consistency, and fewer missed deadlines.

    Research Collaboration: Bridging Technical Development and Manufacturing

    Direct engagement with research labs drives us into new territory, coupling pilot-scale runs with feedback from scientists working on the frontier of chemical synthesis. Many of these groups explore alternative brominating processes or seek customized blends for novel applications. By offering direct access to in-house chemists familiar with Dibromomethane’s full range of reactivity, we help labs sharpen experimental design, minimize unnecessary risk, and speed data collection.

    Lessons learned from collaborative projects feed back into the plant. One experiment at a large biotech company tested a new purification column; findings from that trial led us to change column packing at our main facility, improving throughput for all users. We do not rely on theory alone; each cycle of experimentation and production brings hard-won improvements that transfer to wider use.

    Shipping, Packaging, and Real-World User Preferences

    Batches of Dibromomethane travel out under diverse conditions: road, rail, seaborne freight. Customers value choices—tight-head drums for remote installations, bulk tankers for industrial hubs, smaller containers for academics and research units. Over the years, patterns have emerged indicating which valve types resist corrosion, which tamper-evident rings survive the rigors of global shipping, and which labels retain print after months in outside storage. We adapt quickly; customer complaints about labels peeling in humid zones spurred a move to heat-fused, solvent-resistant barcoding.

    Site-specific handling requests sometimes push us into new developments, such as custom cradle supports or anti-static wraps. Working directly with loading crews, we regularly stress-test new gear before rollout. Sending batch samples to users requesting on-site receipt checks builds confidence—the difference between speculation and certainty.

    Anticipating the Future: Sustainability, Regulation, and Continued Improvement

    As market standards evolve, environmental concern and regulatory adjustment drive our future planning. Years past saw gradual restriction of certain halomethanes in solvent cleaning and fumigation—but Dibromomethane’s chemistry keeps it relevant for applications that bridge technical requirements and regulatory constraints. Nonetheless, the pressure to reduce waste, curb fugitive emissions, and support closed-loop reuse systems grows every year.

    We devote resources to process improvements that shrink waste volumes and boost safety margins. Onsite recycling, vapor recovery, and R&D into biodegradable alternatives to packaging form part of ongoing work. Compliance does not remain abstract: every inspection, every data review, brings new corrective actions. Those who make the product shoulder the clearest responsibility, and ongoing dialogue with users, regulators, and industry peers keeps us moving forward.

    Wrapping Up from an On-the-Ground Manufacturer’s Perspective

    Decades of hands-on manufacturing teach us that Dibromomethane, while just one compound among thousands, finds its value in careful production, consistent delivery, and attentive follow-through. Every lot shipped, every complaint resolved, every shift finished safely matters. Our view—shaped by long hours, field failures, quiet innovation, and shared troubleshooting—remains results-oriented because only direct experience reveals what separates promises from outcomes. Companies and labs trust us because we are here, year after year, responding to each challenge with hard-won solutions, translating the abstract chemical into everyday practical value.