Products

Tetrabromomethane

    • Product Name: Tetrabromomethane
    • Alias: Carbon tetrabromide
    • Einecs: 200-955-6
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    554735

    Cas Number 56-23-5
    Iupac Name Tetrabromomethane
    Molecular Formula CBr4
    Molar Mass 331.63 g/mol
    Appearance Colorless to white crystalline solid
    Melting Point 94.5 °C
    Boiling Point 189.6 °C
    Density 3.42 g/cm³
    Solubility In Water 0.025 g/100 mL (25 °C)
    Vapor Pressure 5 mmHg (96 °C)
    Refractive Index 1.657 (20 °C)
    Odor Sweetish

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

    Packing & Storage
    Packing Tetrabromomethane is supplied in a 500g amber glass bottle with a secure screw cap, labeled with safety and hazard information.
    Shipping Tetrabromomethane should be shipped in tightly sealed containers, protected from moisture and incompatible materials. It is typically transported as a hazardous material under UN identification number 2516. Ensure compliance with international regulations, including proper labeling and documentation, and avoid exposure to heat and direct sunlight during transit. Handle with appropriate personal protective equipment.
    Storage Tetrabromomethane should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from heat, ignition sources, and direct sunlight. It must be kept separate from strong oxidizing agents and incompatible substances. Proper chemical storage protocols and personal protective equipment (PPE) should be used to prevent exposure, as tetrabromomethane is toxic and harmful if inhaled or ingested.
    Application of Tetrabromomethane

    Applications of Tetrabromomethane in Industrial Manufacturing

    Our experience as a dedicated chemical manufacturer has allowed us to develop a comprehensive understanding of how tetrabromomethane integrates into sophisticated downstream applications. The following sections highlight proven industrial uses based on real-world process knowledge, compliance demands, and current sector practices.

    1. Fire Extinguishing Agent Formulations

    Fire protection equipment producers implement tetrabromomethane in advanced fire suppression agents, exploiting its dense vapor and bromine content to prevent combustion chain reactions. As a total-flooding medium, it finds application primarily in specialty devices for electrical panels, aviation, and military standards—use cases that require precision in formulation and strict regulatory monitoring. The dosing, compatibility with other halons, and control over by-product emissions determine process inclusion and end use.

    Industry compliance standards

    • NFPA 12A (Standard on Halon 1301 Fire Extinguishing Systems)
    • ISO 14520 (Gaseous Fire-Extinguishing Systems – Physical Properties & System Design)
    • UL 2166 (Standard for Halocarbon Clean Agent Extinguishing System Units)
    • REACH (Substance of Very High Concern reporting, European Union)

    Typical usage ratio

    • Ranges from 5% up to 20% by agent weight depending on required extinguishing concentration and blend (lower in multi-component formulations, higher for specialty single-agent fills)

    Downstream process integration

    • Charged into blending tanks together with co-extinguishing agents, followed by degassing, precision dosing, and canister filling under pressure-controlled environments to prevent volatilization and moisture ingress

    Final product types

    • Handheld fire extinguishers for high-value electronic enclosures
    • Total-flooding fire suppression systems installed in aircraft
    • Fixed systems for military vehicles and ships

    2. Laboratory and Analytical Density Gradient Media

    Tetrabromomethane forms the heavy phase in separating complex mineral and organic mixtures by density in geochemical services, mineral beneficiation, and certain biological separations. Its high refractive index and specific gravity make it useful as a reference or working medium where accurate density separation is essential, especially for heavy mineral analysis and forensic trace work where compliance with lab safety and chemical handling provisions is non-negotiable.

    Industry compliance standards

    • OSHA Hazard Communication Standard (29 CFR 1910.1200) for laboratory chemical handling
    • ASTM D854 (Standard Test Methods for Specific Gravity of Soil Solids by Water Pycnometer – adapted by mineral labs)
    • ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)

    Typical usage ratio

    • Utilized as-supplied or diluted to working densities from 2.9-3.2 g/cm3 (typically 60–100% concentration based on desired sink-float cutoff and target mineral fraction)

    Downstream process integration

    • Delivered directly as density gradient medium in glassware, combined or layered according to required separation protocol, then recovered from processed samples by filtration and solvent stripping for recycling

    Final product types

    • Density-separated mineral fractions (ilmenite, zircon, monazite, rutile concentrates)
    • Standard reference materials for forensic soil and sediment identification
    • Microscopy specimens for paleobotanical and palynological labs

    3. Synthesis of Organic Intermediates for Pharmaceuticals and Agrochemicals

    Chemical manufacturers use tetrabromomethane as a brominating agent in the synthesis of active pharmaceutical ingredients (APIs), crop protection molecules, and specialty dyes. Selectivity and control over tetrabromomethane’s reactivity enable the introduction of bromine atoms into diverse organic frameworks. Strict alignment with cGMP and responsible care requirements, managed reaction kinetics, and post-reaction bromide removal ensure the final intermediate quality meets stringent downstream criteria.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • US EPA TSCA Chemical Substance Inventory (for US-based chemical synthesis)
    • EU Regulation (EC) No 1107/2009 (Plant Protection Products – for agrochemical actives)

    Typical usage ratio

    • Typically 1.0 to 3.5 molar equivalents versus substrate for most halogenation steps (precise amount set by stoichiometry, controlling degree of bromination and minimizing excess unreacted material)

    Downstream process integration

    • Added to stirred tank or flow reactors during bromination of target precursor, followed by in-situ separation of brominated intermediate, aqueous phase workup, and solvent recovery through distillation and crystallization lines

    Final product types

    • Brominated benzimidazoles for anti-infective APIs
    • Brominated triazines used as herbicide active ingredients
    • Reactive dyes and pigment dispersions for textile and ink industries

    4. High-Density Calibration and Test Media in Instrumentation Manufacturing

    Producers of scientific instrumentation and industrial sensors rely on tetrabromomethane for quality assurance, employing it as a high-density calibration liquid in hydrometers, digital density meters, and viscometers. This application requires exceptional consistency in purity, stability during extended use, and full compliance with precision measurement standards, especially for laboratories and quality control departments servicing critical calibration routines.

    Industry compliance standards

    • ISO 9001 (Quality management for measurement device production)
    • OIML R 49 (International Organization of Legal Metrology: Instruments for Measuring Liquids in Testing)
    • NIST Handbook 44 (Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices)

    Typical usage ratio

    • Used as a pure calibration medium or blended to reach required comparison densities; usually deployed between 2.95–3.04 g/cm3, depending on the density range of the instrument under test

    Downstream process integration

    • Filled into precision glassware or metal reservoirs during calibration cycles; process involves vacuum filling, degassing to remove bubbles, and sealing to maintain reference conditions over multiple calibration periods

    Final product types

    • Bespoke calibration standards for hydrometers
    • Factory-certified density and viscosity standards for analytical laboratories
    • Test fluids for buoyancy grading in precision manufacturing

    5. Halogenated Flame Retardant Intermediate Manufacturing

    Tetrabromomethane serves as a reactive bromine source for producing high-performance brominated flame retardant intermediates, widely adopted in the electrical, textile, and plastics industries under strict flame retardancy codes. Process engineers integrate it into continuous bromination reactors, with online monitoring ensuring the bromine content aligns with downstream polymerization or additive requirements. This scenario calls for detailed traceability, hazardous raw material stewardship, and adherence to international flame resistance regulations.

    Industry compliance standards

    • IEC 60695-11-10/20 (Fire Hazard Testing – Test Flames for Fire Resistance of Plastics)
    • UL 94 (Standard for Safety of Flammability of Plastic Materials)
    • REACH Annex XVII (Restriction of Hazardous Substances – Europe)

    Typical usage ratio

    • 10% to 35% introductory charge based on desired degree of bromination in the intermediate, with batchwise adjustments according to polymer type (polyolefins, ABS, or styrenics)

    Downstream process integration

    • Fed directly to continuous flow or batch bromination vessels, followed by organic-aqueous separation, thermal treatment to drive polymer chain or additive formation, and subsequent drying and packaging under inert atmosphere

    Final product types

    • Brominated flame retardant masterbatches for plastics compounding
    • Reactive brominated monomers for insulation foams
    • Coating additives for flame-retardant textiles

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    Certification & Compliance
    More Introduction

    Tetrabromomethane: Insights from the Manufacturer’s Floor

    Trust Direct Experience in Tetrabromomethane Processing

    We have worked with tetrabromomethane—known as carbon tetrabromide—for decades, overseeing its manufacture and field applications firsthand. When you open a fresh drum of this compound and see clear white crystals, it’s the result of years of patient chemical refining, balanced reactions, and meticulous screening. At the core, each batch represents hundreds of quality checkpoints that began with bromine and methane, steered by operators who not only know the process but understand the subtleties of every temperature shift, every filtration, and each impurity removal.

    Product Model and Specifications From the Shop Floor

    Our industry most often calls for tetrabromomethane at a purity of 99% or above. We take extra steps to achieve this purity, running every finished lot through gas chromatography and titration rather than stopping at routine melting point tests. Each batch emerges as free-flowing crystals that hover around 91–92 °C melting point, a standard achieved without compromise. We watch for slight pink or off-white hints, a sign that a batch picked up trace organics, and we never ship those. Even minor irregularities are flagged and retreated, driven by pressure from both regulatory agencies and our own expectations.

    Practical Usage Gleaned From the Production Line

    Our teams mix, pour, and package the product almost daily, so we get a front-row seat to its real uses. Tetrabromomethane remains the go-to heavy liquid for mineral separation in geology labs, with a density of 2.95 g/cm³—enough to suspend quartz and sink denser minerals like zircon or ilmenite. Mineralogists come back to us regularly, requesting repeat lots that "flow right and don’t cloud up," because, from experience, minor contamination with lighter halides can foul up filtration and ruin an expensive mineral run.

    On the chemical synthesis side, customers require it for bromination reactions, tribromomethylation, and as a source in producing flame retardant agents. We watch our reactors throughout each production, knowing that if moisture or UV exposure isn’t tightly controlled, by-products will creep into the composite profile and ruin selective reactivity. Colleagues in polymer and electronics industries regularly reach out regarding the reactivity profile; they want assurances that the tetrabromomethane won’t introduce unnecessary variability or rare side-reactions in custom flame-retardant manufacture.

    Why Tetrabromomethane Stands Apart From Related Compounds

    A great deal of confusion crops up between tetrabromomethane and its cousins such as carbon tetrachloride or bromoform. Years ago, some labs swapped bromoform for tetrabromomethane because both offered dense nonaqueous media. We saw that bromoform’s higher volatility and slightly lower density led to increased losses during extended separations, alongside significantly higher toxicity risk. Every operator here recalls which batches had odd odors, knowing full well the connection to side-product risk and regulatory flags. With carbon tetrachloride, the halogen difference also shifts physical properties: CCl₄ remains more volatile and dissolves more organic solutes. Customers almost always specify tetrabromomethane for mineral separation because it delivers better density control and evaporates less—so less wastage, lower worker exposure, and more predictable handling conditions.

    Many on our technical team field questions about other uses—X-ray crystallography stands out. Here, customers consistently demand high-purity tetrabromomethane for the calibration of lab X-ray spectrometers, referencing its precise, well-known crystallographic structure. Owing to batch consistency, academic and industrial clients rely directly on our feedback about what analytic methods confirmed batch quality and what precautionary steps we followed to eliminate even trace contamination from brominated by-products. Our facility tests against over a dozen volatile organic compounds that frequently co-distill in lower-quality operations worldwide.

    Monitoring Safety and Environmental Impact: The Manufacturer's View

    It’s been impossible to ignore tightening environmental standards. A few decades ago, expectations for toxicological assessment were much lower. Now, we log every kilogram produced, track all effluent, and work hard to recover bromine from by-products. A lot of our time goes into ensuring vapor containment and secondary spill collection. From manufacturing trenches, we know that most safety incidents arise not during reaction but during packaging, transfer, or cleanup. Tetrabromomethane’s strong odor acts as an early warning, but our regular drills and real-world experience—donning full-face respirators, checking for tiny cracks in transfer hoses—drive home the reality that protecting workers matters more than statistics.

    On the environmental side, waste brominated compounds can build up with improper handling. We invest in distillation and reclamation so that little if any tetrabromomethane finds its way outside our closed system. We’ve built partnerships with waste treatment vendors who close the loop on bromine recovery, and we audit each step. Getting the emission numbers low enough required not just swapping out old seals and gaskets, but upgrading to vacuum lines and sensor controls which let us intervene well before minor leaks become reportable incidents.

    Approaching Purity and Modeling Challenges Firsthand

    Attaining and maintaining that 99% purity year after year is more than a function of equipment; it takes people who recognize anomalies. Once, a subtle temperature rise across one column threatened to let lighter halides slip into the finished product. Seasoned operators flagged it before the issue led to shipment. Manufacturers cannot rely solely on automated checks—human vigilance combined with robust instrumentation defines product quality over time.

    Every operator here can recall production runs that didn’t meet our internal expectations—even when they technically passed external thresholds. That’s when decisions get made on the ground: we scrap subpar batches, rerun distillation, or use secondary purification. This experience bridges lab ideals and industrial realities. Customers and end-users depend on batches with confirmed crystal appearance, reliable melting point, and minimal odor. Repeat business comes from these details, not from pamphlets promising “standards compliance.”

    Solving Workflow Challenges: Lessons Learned

    Daily routines face unglamorous but critical hurdles—drum contamination, slow flow rates as product cools, and bottlenecks in cold periods when tetrabromomethane crystallizes in lines. We adapted by tracing lines for heat and requiring double-filtration on every packaging shift. These hands-on improvements matter more than any marketing campaign, because they reduce supply interruptions and minimize disposal from out-of-spec batches.

    On export shipments, cold chain maintenance raised fresh challenges, especially for customers in colder climates. Sharing practical advice became part of our service—suggesting insulated containers, monitored temperature loggers, and replacement of easily blocked delivery hoses. These insights don’t originate from a desk, but from conversations between packaging staff, warehouse managers, and our long-term repeat customers who alert us to shipment irregularities quickly. We learn continuously from the real world, tuning process and packaging to changing logistical realities.

    Supporting Advanced Applications With Reliable Supply

    Beyond basic mineral separation, high-purity tetrabromomethane supports calibration standards, reference materials, and synthesis of advanced flame retardant additives. Over the years, custom applications have arisen, driven by exacting specifications from polymer producers and scientists exploring new halogenation reactions. Technical clients value ongoing dialogue—emails and calls direct with production supervisors over unexplained trace peaks in chromatograms, or clarification on trace moisture data for specialty syntheses.

    We allocate production slots for custom runs which require specific melting points or purity bands. Our team collaborates with customers facing process disruptions, working out whether sustained product supply or batch reservation will help buffer their inventories. Supplying research labs with gram-quantities while filling industry-scale drums the next hour takes agility across departments. That coordination reduces downtime and gives research clients the same comfort as bulk industrial buyers.

    Facing Regulatory and Market Pressures From Inside the Operation

    Every market fluctuation or regulatory revision brings tension to the plant. Restrictions on export or use in particular sectors—driven by environmental updates or labor standards—make it necessary to requalify incoming bromine, review disposal protocols, and file extra certifications. We take pride in adjusting fast, not waiting for directives from above. Internal training ramps up whenever new compliance thresholds hit the books. Our people know what’s behind every tick-box requirement; an overlooked detail can mean a week’s downtime or an unplanned audit.

    We advocate continuous staff training in hazard recognition, waste minimization, and process control—not because a manual demands it but because overlooked details cost everyone. Site-wide drills put theory directly into practice. Facility upgrades don’t come from consulting reports alone, but from regular kaizen-style feedback: what packaging lines froze last winter, or what sensor triggered one too many alarms out of caution. Improvements reflect real-world feedback and relentless focus on repeatable, safe operation.

    Pioneering Process Improvements and Responding to Industry Needs

    Longstanding relationships with R&D and purchasing teams in mining, polymer, and materials science keep us tuned to technical challenges. Direct feedback on particle size consistency, solubility with mineral matrices, or base-level contamination finds its way back into our production checklists. On several occasions, technical teams have forwarded customer field reports showing unexpected interaction between tetrabromomethane and sample containers; each time, we revisited packaging materials and confirmed chemical compatibility under real shipment conditions, not just theoretical models.

    We bring a willingness to invest in improved reaction vessels, tighter temperature control, and trace impurity removal—all shaped through real incidents. Years ago, UV-induced side reactions showed up in storage tests. Since then, we doubled down on UV-blocking storage tanks and recommend dark storage to clients as routine, not as an afterthought. Robust manufacturing means ongoing review and quick action to field inputs—proving over the years that rigorous internal observation brings down customer rejections and plant downtime.

    Collaborating Across the Supply Chain

    Direct collaboration between our plant technicians and customer technical teams smooths out issues before they scale into big problems. A research group using tetrabromomethane for trace analysis can reach our lab head in the same week, clarify detection limits, and confirm impurity profiles rather than guessing. For outsized industrial customers, logistics teams can schedule pickups directly in consultation with our shift supervisors—shortening lead times and curling up delays. Integrated ERP systems help, but trust built on years of straight talk and honest reporting carries more weight in urgent scenarios.

    Supply chain disruptions—raw material shortages, transport strikes, regulatory roadblocks—push us to keep versatile storage and procurement plans. We have learned to build robustness on both inflow and outgoing logistics. Our warehouse teams keep real-time status updates visible across line, QC, and dispatch teams. We communicate delays or order changes directly, recognizing that transparency smooths over most frictions. This system developed not through commandment but through facing and fixing thousands of minor missed shipments or quality questions over the span of decades.

    Anticipating and Meeting Next-Generation Needs

    Advancements across mineral exploration, chemical process engineering, and specialty plastic manufacturing keep our attention fixed on emerging needs. For each new request—higher density batches for challenging mineral separation, superior flame retardant formulation purity, or zero-residue processing—the expectation is continual improvement. Customers appreciate hearing not just what’s possible but what’s proven, with samples and expanded process data available before a change reaches full production.

    From our perspective as direct producers, staying relevant means investing in process analytics and upgrading batch recording for greater traceability. Modern automated recorders that reliably log, time-stamp, and alarm on process excursions empower both line workers and management, closing the loop between what’s happening right now on the floor and what leaves the facility in finished form. Years of feedback show that customers want to know not only current specs but the story behind the numbers. Prompt answers to real-world technical questions builds loyalty, beyond any datasheet.

    Improvement Never Stops on the Factory Floor

    After decades making tetrabromomethane, we’ve learned this: steady output and consistent quality depend more on cultivated expertise than on static checklists. Every new challenge—be it a customer’s unexpected purity requirement, a regulatory shift, or an internal process bottleneck—demands attention, collaboration, and willingness to invest. Honest, unvarnished reporting, practical technical support, and cross-functional feedback do more for product reliability than the best promotional pitch ever could.

    All the lessons shared above reflect manufacturers’ lived experiences: hours spent maintaining process stability, days troubleshooting nonconforming batches, and years responding to shifting market and regulatory expectations. Tetrabromomethane has wide-reaching applications, but from the manufacturing side, its true value lies in the unbroken chain of vigilance, feedback, and skill that couples each packed drum back to the trusted hands and eyes of our production teams.

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