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Tribromoethylene

    • Product Name Tribromoethylene
    • Alias Ethene, tribromo-
    • Einecs 204-106-5
    • 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

    483462

    Cas Number 598-16-3
    Molecular Formula C2Br3H
    Molar Mass 296.74 g/mol
    Appearance Colorless to pale yellow liquid
    Boiling Point 104-105 °C
    Melting Point -18 °C
    Density 2.967 g/cm3 at 20 °C
    Solubility In Water Insoluble
    Vapor Pressure 53 mmHg at 25 °C
    Refractive Index 1.582 at 20 °C
    Flash Point 27 °C (closed cup)
    Chemical Stability Stable under recommended storage conditions

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

    Packing & Storage
    Packing Amber glass bottle with secure cap, labeled "Tribromoethylene, 500 mL," includes hazard warnings, manufacturer details, and CAS number.
    Shipping Tribromoethylene is a hazardous chemical and should be shipped in tightly sealed, properly labeled containers made of compatible materials. It must be transported following international regulations (such as IMDG, IATA, and DOT), in accordance with its classification as a toxic and environmentally hazardous substance. Handle with care to avoid spills or exposure.
    Storage Tribromoethylene should be stored in a cool, dry, and well-ventilated area away from sources of ignition, heat, and direct sunlight. Keep the container tightly closed and clearly labeled. Use corrosion-resistant shelves and avoid storing near oxidizing agents, acids, or strong bases. Ensure storage areas are equipped with proper spill containment and comply with local hazardous chemical storage regulations.
    Application of Tribromoethylene

    Applications of Tribromoethylene in Industrial Manufacturing

    Tribromoethylene is a specialty halogenated compound produced for diverse applications in industrial synthesis and formulation. Its high bromine content and select reactivity make it essential in precise downstream processes. The following sections outline the main application routes with dedicated regulatory, formulation, and process details as encountered in actual manufacturing environments.

    1. Intermediate in Active Pharmaceutical Ingredient (API) Synthesis

    Several pharmaceutical manufacturers apply tribromoethylene as a brominating agent and haloalkene intermediate in selected API synthesis routes, particularly for molecules requiring controlled multi-bromination or for enhancing molecular reactivity in heterocycle formation. Integration takes place within regulated pharma batch processes where traceability and purity carry strict controls from raw material receiving to final reaction step, supporting the production of high-purity precursor compounds used in cardiovascular, oncological, and anti-infective drug bases.

    Industry compliance standards

    • Good Manufacturing Practice (GMP), ICH Q7
    • US Pharmacopeia (USP) where applicable for intermediates
    • EU REACH regulation 1907/2006 for chemical safety
    • Chinese Pharmacopoeia requirements for imported substances

    Typical usage ratio

    • 0.2–1.2 molar equivalents based on substrate requirements
    • Fine-tuned per batch to achieve targeted bromination degree
    • Adjusted upward if recycle streams reduce effective concentration

    Downstream process integration

    • Charged directly into jacketed reaction vessels after substrate dissolution
    • Injection timed to minimize side product formation
    • Follows in-line real-time analytics for endpoint detection

    Final product types

    • Brominated API intermediates (e.g., aryl- or alkyl-bromides)
    • Pharmaceutical key starting materials (KSMs)
    • Core building blocks for cardiovascular and antiviral drugs

    2. Flame Retardant Additive Manufacturing

    Producers of flame-retardant masterbatches and finished polymers incorporate tribromoethylene as a high-bromine donor during polymer compounding. Its volatility and bromine density fit formulations where rapid bromination or smoke suppression is required by strict fire safety tests. Manufacturing plants introduce it within closed-system extruders or continuous mixers to ensure uniform dispersion in the polymer matrix before pellet or article extrusion, leading to fire-rated materials for sensitive applications.

    Industry compliance standards

    • UL 94 Flame Class Testing (Underwriters Laboratories)
    • RoHS Directive 2011/65/EU for restriction of hazardous substances
    • EN 13501-1 for building material fire performance
    • Automotive OEM material safety requirements

    Typical usage ratio

    • 3–10% by weight of total polymer formulation
    • Lower range (3–5%) for cable insulations and textiles
    • Up to 10% for engineered thermoplastic housings and casings

    Downstream process integration

    • Dosed via precision pump into heated twin-screw extruder
    • Mixed with polymer melt and synergists before devolatilization
    • Downstream pelletizing station recovers uniform compound

    Final product types

    • Flame-retardant polyolefin masterbatches
    • Low-smoke PVC cable compounds
    • Fire-rated rigid foam panels and structural parts

    3. Solvent Component for Specialty Cleaning Formulations

    Industrial cleaning and degreasing fluid compounders employ tribromoethylene in custom blends designed for the aerospace, electronics, and metalworking sectors. The compound’s solvency and high-density profile enable effective removal of polar and non-polar residues in vapor phase and immersion systems. Manufacturers charge it into batch solvent blending units with continuous analytical monitoring to ensure the blend meets residue, volatility, and toxicity thresholds demanded by downstream equipment and process safety requirements.

    Industry compliance standards

    • ASTM D6806-18 for vapor degreasing solvent performance
    • SAE AMS 1521 and AMS 1650 cleaning material specifications
    • OSHA 29 CFR 1910.1200 hazard communication regulations
    • Local air emission permits for solvent operations

    Typical usage ratio

    • 15–50% of solvent blend, depending on contaminant loading
    • Lower fractions (15–25%) for light electronic cleaning
    • Up to 50% for aerospace degreasing prior to assembly/painting

    Downstream process integration

    • Premixed in solvent storage tanks before transfer to point-of-use
    • Metered via flow control for inline blending with cosolvents
    • Systems feature closed-loop vapor recovery and recirculation units

    Final product types

    • Vapor phase cleaning fluids for electronic assemblies
    • Metal degreasing products for aerospace components
    • Precision solvent blends for optics and electrical contacts

    4. Synthesis of Agrochemical Intermediates

    Bulk producers of crop protection chemicals use tribromoethylene in the synthesis of specific halogenated intermediates required for the production of selective herbicides and fungicides. It acts as a controlled bromine donor in stepwise alkylation and halogenation procedures under conditions designed to optimize reaction selectivity and minimize impurity formation. Integration typically occurs as a sequential addition in multipurpose reactors operating under cGMP standards for agrochemical synthesis, with in-process analysis certifying each batch for active constituent yield and trace byproducts.

    Industry compliance standards

    • FAO/WHO Good Manufacturing Practices for Pesticides
    • EPA 40 CFR Part 158 – Data requirements for pesticide registration
    • ISO 9001 quality management for process traceability
    • China ICAMA pesticide registration technical standards

    Typical usage ratio

    • 0.5–1.8 molar equivalents based on crop protection intermediate route
    • Controlled by stoichiometry to limit side product (dibromo/debrominated) formation

    Downstream process integration

    • Dosed via peristaltic pump during controlled exothermic stages
    • Agitator mixing ensures complete conversion in haloalkylation reactions
    • Reaction monitored in real time for endpoint control by GC/HPLC

    Final product types

    • Key intermediates for triazole and anilide herbicides
    • Brominated building blocks for fungicide active ingredients
    • Br-containing pesticide co-formulants

    5. Starting Material in Specialty Brominated Monomer Production

    Chemical plants involved in manufacturing advanced monomers for polymer synthesis deploy tribromoethylene as a starting material in stepwise addition-polymerization reaction schemes. Its unique vinyl and bromo functionality enables selective ring-opening or copolymerization reactions, contributing controlled fire retardancy and chemical resistance to high-performance resins, specialty coatings, and industrial adhesives. Accurate mass flow dosing and preheating secure homogenous distribution, ensuring batch consistency under constant analytical supervision throughout the production cycle.

    Industry compliance standards

    • ISO 9001 production quality for batch consistency
    • AITF 16949 for automotive polymer inputs
    • REACH chemical registration and downstream user compliance
    • ASTM D2565 polymer performance testing in end-use applications

    Typical usage ratio

    • 5–25% molar fraction in monomer mixtures
    • Ratios set according to target bromine incorporation in final copolymer
    • Fine-tuning based on end-use application and desired polymer property

    Downstream process integration

    • Continuous dosing to stirred tank or plug-flow reactors
    • Staged addition to control molecular weight build-up
    • Used in pre-polymer blendings before final polymerization and extrusion

    Final product types

    • Brominated vinyl copolymers
    • Fire-resistant industrial adhesives and mastics
    • Specialty resins for electronics, automotive, and aerospace laminates
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    Certification & Compliance
    More Introduction

    Tribromoethylene: A Direct Approach to Halogenated Chemistry

    Experience from the Factory Floor

    Work in chemical manufacturing teaches a person the value of reliability. Tribromoethylene, or 1,1,2-Tribromoethene, keeps proving itself as a specialty haloalkene that does a specific job—nothing fancy, nothing confusing. As a manufacturer, we make this compound daily and see exactly how it responds to pressure, heat, and the real needs of professional chemists and engineers. Tribromoethylene serves as more than just a name you come across in a catalog; it’s one of those molecules you measure, pour, and deploy with purpose. The product is a transparent to slightly yellow liquid that does not hide problems behind glossy appearances. Our process ensures clarity and consistency because so much depends on purity and indistinguishability from batch to batch.

    Specifications at the Core

    Tribromoethylene often arrives at customer sites with a purity above 98%, which is what most research or production applications genuinely use. We test rigorously for water content, acidity, and organic impurities—the sort that can foul an entire synthesis if not kept in check. Boiling point falls near 120 °C under atmospheric pressure, which sometimes restricts which solvents or reactors you pair it with. Its density hovers around 2.6 g/cm³—a detail our own technicians must account for on the loading docks, especially in summer temperatures. This chemical does not behave like lighter halogenated solvents; it requires respect for heavier handling and storage systems. Some operators try to substitute Tribromoethylene with trichloroethylene or 1,2-dibromoethane, only to realize solubility, reaction rates, and physical properties do not line up the way the textbooks imply.

    Understanding Where It Fits

    Every manufacturer faces a question: why invest in a specialty bromoalkene? Tribromoethylene gives customers a bromine-rich building block tailored for niche areas where three bromines on a two-carbon scaffold play a role. In synthesis, it reacts cleanly with nucleophiles, delivering selectivity few other small haloalkenes offer. Laboratory chemists and industrial formulators recognize these distinctions—the difference between theoretical and actual yield often traces back to how small structural choices play out in the real world. Chlorinated analogs tend to carry different toxicity and reactivity profiles, so those in regulated applications find themselves turning to tribromoethylene when other compounds create compliance problems.

    Handling never feels like an afterthought with this chemical. From the earliest batches rolled off our lines, the odor, volatility, and persistent heaviness in the atmosphere reminded all of us that safety is not something to gloss over in the brochure. Engineering controls, closed transfer, and simple habits like double-gloving set the baseline for real industrial use. Everyone who works with this compound should understand the reasons for precise ventilation, strict separation from incompatible materials, and why no equipment with copper, magnesium, or zinc alloys can touch product-contact parts. We have seen metal tanks and pipes degrade fast enough to become a lesson for new hires—some suppliers miss this, but anyone who fills containers day in, day out sees that lesson written in corrosion.

    Application-Driven Chemistry on the Bench and in the Tank

    Modern applications rarely settle for “one size fits all.” Tribromoethylene found its home among the people who build custom molecules—synthetic organic chemists chasing down specific intermediates and process development engineers who cannot settle for off-the-shelf reagents. If you need to install multiple bromo groups with efficiency, this molecule earns its shelf space. We have supplied research labs exploring pharmaceuticals, agrochemicals, and polymer syntheses, where the unique pattern of bromine substitution makes a difference no other small alkene can provide. Its ease of participation in halogen-exchange, cross-coupling, or addition reactions opens routes not accessible with the simpler di-bromo or trichloro analogs. Not every experiment succeeds—sometimes it does not react as rapidly or precisely as planned, but it brings something to a toolbox that books alone do not convey.

    Industrial end-users work with different priorities—volume, throughput, and downstream compatibility define the value of a compound. Our bulk users, often in Eastern Europe and Asia, have built their scale-ups around tribromoethylene because it feeds several classic reactions with minimal waste. Brominated intermediates made from this product keep showing up in flame retardants, biocides, and photosensitive materials. Every time we meet with a new customer’s technical team, questions move past pricing and on to delivery consistency, HSE practices, and update cycles if specifications change. These conversations only happen if the material repeatedly meets—and, more importantly, does not surprise—you. There’s no point overclaiming what this molecule can do for someone hunting for a highly reactive terminal alkene. It succeeds because those in the know adjust their procedures to bring out what works best, drawing on years of shared practices in handling, storage, and on-the-job trial and error.

    Not Just Another Halogenated Liquid

    Across the supply chain, confusion persists: why not switch to a more prevalent solvent or intermediate? Many buyers look at the price or sheer volume of trichloroethylene, tetrabromoethane, or 1,2-dibromoethane and wonder if it makes sense to go with the “oddball” C2HBr3. We see it in purchasing decisions every season. The reality is, chemical specificity does not respect popularity. Tribromoethylene’s signature is three-bromine substitution, which drives its reactivity and makes a difference in end-product performance. Polymers and specialty plastics built from its intermediates withstand heat and fire differently; pharmaceuticals targeted at halogenated motifs often need the unique size and electronic effects only this molecule brings.

    Our factory’s perspective does not come from boardrooms, but from drums moving through lines, tankers filling in tight schedules, and the problems that come up when someone substitutes the wrong halogen pattern and gets a toxic byproduct or a regulatory flag. Consistent purity and supply do not just protect our own brand—they keep downstream manufacturers off the lists that concern everyone focused on compliance, especially those working under REACH and similar frameworks.

    Beyond the Spec Sheet: Real-World Challenges and Choices

    Market cycles turn, but technical and regulatory requirements only tighten. Customers frequently ask about the long-term stability of tribromoethylene. What we see on our side is a liquid stable enough under properly sealed, moisture-free, and light-shielded storage, but it cannot be treated as a commodity that just “sits there” forever. Absorbed water, over time, kicks off dehydrobromination and a new set of problems. We carry out regular tank checks and maintain tight documentation because quality shifts can sneak up unannounced in chemicals sensitive to trace contamination.

    On safety, this compound does not belong in every workplace. Training and supervision define outcomes more than fancy engineering. Even experienced operators get reminded—the vapor is heavier than air, loves to accumulate in trenches or low points, and fights every attempt at simple ventilation. We’ve partnered with customers developing large-scale containment and mitigation protocols, and none of them have regretted investing in redundant detection for both spills and vapor buildup. The ease with which tribromoethylene interacts with metals is not a myth; calloused hands learn quickly to change out gaskets and avoid cheap valves.

    Differences Only a Manufacturer Notices

    External comparisons rarely capture the subtleties we live with inside the plant. For instance, shipping trichloroethylene doesn’t carry the same level of documentation stress for a supplier because transportation rules differ and its physical hazards track to better established categories. Tribromoethylene brings tougher scrutiny—the need for specific UN numbers, segregated storage, shipment only with drivers who already know the hazards. Its volatility and density mean different drum stacking and handling practices. Even among our warehouse technicians, nobody assumes “all halogenated solvents” line up in the same aisle.

    With trichloroethylene or dichloromethane, reactivity patterns simplify downstream planning. Tribromoethylene’s three bromine atoms change the steric and electronic environment so much that process engineers either love it or avoid it. There’s no middle ground—if the process fits, yields improve and product isolation tracks predictably. If not, waste management grows and time disappears into troubleshooting. In polymer chemistry, the choice of base monomer defines a full decade’s performance. Certain uses demand the greater atomic weight and pattern branching only available from this molecule. As a producer, we can predict how process choices shift as regulations squeeze out certain halogenated inputs—the buyers most often returning for tribromoethylene already know the limits of substitutions.

    No Substitute for Cumulative Learning

    Decisions carry more weight for those responsible for both safety and performance. Short-term buyers might glance at a data sheet and wonder if tribromoethylene is interchangeable with similar-sounding compounds. Long-term users work from field results, passed-down process tweaks, and hundreds of small design choices. From our own facility audits, one lesson stays constant: process success hinges on experience and documentation. Written notes on handling, equipment upgrades based on compatibility findings, or lessons learned the hard way—real-world use shapes how we improve, batch after batch.

    Changes in handling or unforeseen contamination events have lessons that trickle all the way into our test protocols. Every year, at least one operator finds a reason to check vent filters or audit valve materials, uncovering minor issues that, left alone, would scale into bigger ones. This feedback doesn’t only travel upwards—it loops to customers, suppliers, and back again, so best practice never stops evolving. The same principle holds for end-users developing new protocols: our technical team never assumes a customer’s process, and the best requests often come paired with three or four “what if” tests. It’s a cycle that never ends, and that’s a strength, not a pain point.

    Future Outlook and Honest Challenges

    Trends in chemical manufacturing rarely unfold in straight lines. Regulatory agencies now probe for halogen content, trace impurities, and environmental fate in a way that few anticipated when tribromoethylene first went into production. Environmental engineers, purchasing managers, and safety teams all revisit their process maps as the rules shift. We anticipate further tightening of hazard classifications and labeling rules, especially in the EU, and strive to keep our documentation ahead of the curve. Every customer who values audit support, batch traceability, and technical transparency keeps us accountable to their standards. That means investments in both equipment monitoring and in training operators who don’t just run the plant, but understand why every deviation matters.

    A year does not go by without new substitution pressures. Green chemistry advocates and environmental compliance teams rightly push for alternatives to persistent halogenated compounds where possible. Tribromoethylene remains in use because it fills a space still underserved by lower halogen or unhalogenated options. We don't gloss over downsides: disposal brings real costs, and waste streams demand careful treatment. Our biggest customers integrate lifecycle analysis right alongside process yields because total cost hinges on more than just the inbound material price. For us, that means working in lockstep not only on supply but on end-of-life handling, sharing solvent recovery tips or connecting engineers to proven disposal partners.

    Solutions, Not Just Raw Materials

    Supplying tribromoethylene feels like more of a partnership than just a sale. We draw on decades of batch records to anticipate hiccups in storage, identify risks of cross-contamination, and prepare for changing customer needs. From drum size adjustments to custom documentation, small changes add up to less downtime for customers and higher safety margins across supply chains. Every time we introduce a process upgrade—new in-line filtration, advanced tank monitoring, or better PPE for filling crews—the ripple effect benefits users downstream. Honest dialogue with users shapes how we tweak our own processes.

    Working side by side with chemists, engineers, and procurement managers, we’ve developed solutions that stick. We have supported phased transitions from older, non-compliant halogenated intermediates, built up our own in-house testing capability for trace brominated impurities, and hosted field audits for users under regulatory review. Sharing these improvements, instead of hiding them, sets up long-term business stability. By seeing ourselves as stakeholders in each customer’s success, we stay invested in every drum shipped and every question answered.

    Manufacturing Perspective: No Substitute for Authenticity

    Standing on the plant floor, watching the next batch of tribromoethylene load for shipment, reminds us that this business runs on trust. Bottling consistency, not just product, means more than any marketing claim. The technical and safety knowledge acquired through real production work rarely fits inside a standard specification sheet. Customers chasing purity or reliability know which producers have handled the hard lessons and which push that learning outward for others to face. Every new delivery brings another round of scrutiny and another chance to prove what’s worth keeping, what needs changing, and what stories get told about a so-called “commodity” with anything but commodity requirements.

    Tribromoethylene comes with all the complications many halogenated intermediates bring, but the rewards in select synthesis, material science, and specialized industrial use mark it as unreplaceable in the right situations. From early process planning to late-night plant troubleshooting, no other actor in the supply chain understands those challenges better than the manufacturer. Real experience, day in and day out, builds more value than any claim on a front-page ad. Every drop counts, so every drop gets made, packaged, shipped, and supported by people who know better than to take shortcuts.