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HS Code |
929592 |
| Chemical Name | 3-Bromo-1-Propene |
| Synonyms | Allyl bromide |
| Molecular Formula | C3H5Br |
| Molar Mass | 120.98 g/mol |
| Cas Number | 106-95-6 |
| Appearance | Colorless to light yellow liquid |
| Density | 1.398 g/mL at 25°C |
| Boiling Point | 71-72 °C |
| Melting Point | -110 °C |
| Refractive Index | 1.452 at 20°C |
| Flash Point | -3 °C (closed cup) |
| Solubility In Water | Slightly soluble |
As an accredited 3-Bromo-1-Propene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 500 mL amber glass bottle, tightly sealed, labeled "3-Bromo-1-Propene," with hazard symbols and handling instructions on the exterior. |
| Shipping | 3-Bromo-1-propene should be shipped in tightly sealed, chemical-resistant containers, clearly labeled and protected from direct sunlight, heat, and moisture. It must be transported according to local, national, and international regulations for hazardous materials, with appropriate documentation, and handled by trained personnel to prevent leaks, spills, and exposure. |
| Storage | 3-Bromo-1-propene should be stored in a cool, dry, well-ventilated area away from heat, sparks, and open flames. Keep the container tightly closed and protected from light. Store separately from oxidizing agents, acids, and bases. Use appropriate safety measures, including secondary containment, to prevent leaks, as the chemical is volatile and flammable. Ground all equipment to prevent static discharge. |
Applications of 3-Bromo-1-Propene in Industrial ManufacturingAs a direct manufacturer, we supply 3-Bromo-1-Propene for large-scale industrial synthesis in several specialized sectors. The following downstream application areas reflect real-world market demand and regulatory standards for this raw material. Each scenario details integration points, quality expectations, and product end-uses based on industry-specific requirements. 1. Pharmaceutical Intermediate SynthesisProducers of active pharmaceutical ingredients (APIs) and specialty drug intermediates utilize 3-Bromo-1-Propene during alkylation steps, particularly for the synthesis of antiviral and central nervous system (CNS) compounds. This raw material introduces an allylic bromide functionality, serving as a critical synthon in the formation of complex carbon skeletons through nucleophilic substitution and transition metal-catalyzed cross-coupling reactions. Manufacturing sites enforce strict reaction temperature and solvent control due to the reactivity of the bromide group, with QC labs monitoring for genotoxic impurities in line with global pharmaceutical safety expectations. Material handling and batch documentation must also satisfy regional drug authority audits. Industry compliance standards
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2. Agrochemical Precursor ProductionMajor agrochemical manufacturers incorporate this compound for constructing selective herbicide and insecticide molecules. The allyl bromide moiety reacts with phenolic or amine nucleophiles to build functionalized linkers in organophosphorus and sulfonylurea scaffolds. Plant designers must consider shelf life in tank storage, and operators implement closed system transfers to limit product loss and worker exposure. Process engineers configure purification steps to meet exacting impurity limits, especially for regulated pesticide actives under international residue regulations. Industry compliance standards
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3. Polymer and Specialty Resin ModificationManufacturers of advanced polymeric materials employ 3-Bromo-1-Propene as a functional alkylating agent for grafting onto base polymers such as polyolefin, polystyrene, or epoxy networks. The allylic group enables further chemical modification and cross-linking, allowing customization of surface chemistry and mechanical performance. Production teams must closely control dosage and mixing rates to avoid premature gelation. Finished polymers undergo thorough residual monomer and halogen testing to comply with product safety standards in high-value markets. Industry compliance standards
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4. Synthesis of Fragrance and Flavor IntermediatesProducers in the fragrance and food additive sector use this material as an alkylation agent to introduce allylic chains into aromatic compounds, thus generating intermediate molecules later converted into key notes for fine fragrances, and flavor enhancers. The selection of solvents and control of residual bromide levels are critical to avoid off-odors and comply with food-grade quality standards. Finished intermediates feed into tightly regulated flavor and fragrance synthesis lines, requiring thorough documentation of trace impurities and residual solvents. Industry compliance standards
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Competitive 3-Bromo-1-Propene prices that fit your budget—flexible terms and customized quotes for every order.
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A batch reactor hums on the shop floor, a reaction is halfway to completion, and I nod at the pale, sharp scent noticeable as the vapors of 3-Bromo-1-propene begin their journey down the condenser. We produce this chemical not for the sake of filling inventory, but because the demand from downstream users – especially in pharmaceutical and agrochemical synthesis – grows year by year. 3-Bromo-1-propene, assigned as CAS 106-95-6 in the books, is a three-carbon chain carrying a double bond and terminating bromine atom. Its reactivity comes from this efficient design, where the allylic site draws chemists who need an accessible building block.
We’ve found the product's balance of volatility and solubility sidesteps many issues that crop up with longer, heavier brominated molecules. 3-Bromo-1-propene boils near 71°C – a sweet spot that lets process engineers distil and purify without fighting against extreme temperatures. Consistent purity, measured batch by batch with modern GC and NMR, lands above 99%. This careful production means customers in synthesis, whether they’re crafting fine chemicals or running pilot studies, avoid wasting time cleaning up side-products. The subtle, acrid odor, the brisk evaporation – these are familiar notes. Our staff’s habits dealing with this product grew out of daily repetition, not policy manual directives.
We chose to favor allylic bromination routes, as opposed to basic addition reactions with hydrobromic acid to propene. Free-radical bromination with N-bromosuccinimide (NBS) has proven both robust and scalable, controlling for side reactions such as over-halogenation or shifting of the double bond. Small changes in the raw feedstock, especially if the propene charge carries trace impurities or moisture, can spoil a run. Daily attention to feedstock inspection and tight calibration of reaction kinetics became core skills for our operators.
Delivering the right output means working with vessels resistant to corrosive halogens, managing hydrogen bromide offgas, and drying the product to limit water content. Each of these steps puts hands-on skill and institutional know-how front and center. There’s no “secret sauce” – just tight control, relentless sampling, and patience to re-run pilot vessels after minor slips. Our quality control teams, crossing over from lab to plant, keep the feedback loop short. All this means buyers and partners end up with a tightly specified material, batch-numbered, and traceable to a logbook we treat like a family recipe book.
What attracts chemists to this molecule is not just the reach of the bromo group; it's how the double bond stays reactive, offering anchoring points for further transformations. Epoxidation, coupling reactions, Grignard formations, and base-promoted substitutions all benefit from 3-Bromo-1-propene's accessible structure. Both academic labs and commercial process developers regularly call for it to serve as a key intermediate when other haloalkenes introduce more regulatory or operational headache. For example, compared to 1,3-dibromopropane or 2-bromopropane, this allyl derivative offers a simpler cleanup profile and fewer toxicological concerns at the application scale.
Large pharmaceutical companies order by the drum, often treating it as a “known” raw material, yet small research outfits buy by the kilogram, where every wasted gram cuts into grant money. Our operation was shaped by decades of serving both – so we bottle and seal every package as if it’s bound for a delicate new reaction study. We’ve seen everything from pesticide inventors to scientists screening for new ligands use this molecule. Few other building blocks move so smoothly from a pilot-scale reactor here to the glassware half a world away.
A lesson handed down from seasoned foremen: watch the calendar. 3-Bromo-1-propene isn’t so unstable that it falls apart in days, but it rewards careful storage. We moved toward sealed aluminum containers, cold storage, and a careful exclusion of light and oxygen. After years observing how ambient temperatures, humidity, and drum material affect shelf life, our team found that proper packing limits polymerization or unwanted color shifts. These weren’t changes imposed from above – they came from workers fixing failures, ringing the alarm after a sticky mess showed up when it shouldn’t. With the right packing and shipping routines, customers now consistently report deliveries with crisp product, no surprises in color or cloudiness.
Our in-house studies showed that even a little heat, or exposing the material to sunlight, can spark slow decomposition. We don’t promise magic, but practical handling practices rooted in daily experience with hundreds of kilograms per year make a difference compared to volume brokers who repack in less suitable drums. We treat storage as a point of pride, not just a compliance checkbox. This attention means the molecule stays as the textbook describes – clear, sharp, and effective in chemical transformations.
Any shop that has run a clean-up on a brominated propene spill appreciates the necessity of sharp safety protocols. 3-Bromo-1-propene has a vigorous vapor that irritates eyes and lungs, and we choose local exhaust and well-fitted respirators over reliance on warning labels alone. Spill drills, running eyewash stations, and up-to-date MSDS aren’t bureaucratic hurdles; they prevent real pain. We’ve watched new hires learn – the hard way – to double-check valves and keep containment trays clean.
Beyond training, our plant layout includes sealed transfer lines and well-marked walkways. Not all chemicals demand this level of respect, but an allyl halide does. Keeping air monitors calibrated, gloves changed, and full PPE available means teams move confidently, not warily. Some of this knowledge appears nowhere in rulebooks but grows from day-to-day respect for the material itself. By putting eyes on every cylinder and treating the drum as a live component, incidents plummet.
Customers sometimes ask – with skepticism – whether this molecule justifies its place alongside 1,3-dibromopropane, allyl chloride, or 2-chloropropene. Years at the manufacturing level taught us the difference starts in the reaction vessel. 3-Bromo-1-propene reacts with selectivity due to the good leaving group of bromine and the nearby double bond, without adding unnecessary molecular complexity. This simplifies post-reaction cleanup and purification, an advantage especially felt in multi-step organic syntheses.
Compared to its dichloro or dibromo cousins, the monobromo variant carries less risk of toxicity and persistent halogenated byproducts. Production typically requires less waste neutralization, faster processing times, and a more balanced cost-profile per mole of target product. Customers scaling up processes note the improved yields and reduced batch-to-batch drift. This comes not just from the molecule’s inherent structure, but from the behind-the-scenes detail work: pure feedstocks, competent plant staff, and reliability baked into the supply chain.
Month after month, improvement never ends at the manufacturing line. We’ve invested in refining reaction conditions, sourcing the most consistent bromine streams, and updating reactor controls to maintain temperature and mixing curves with tighter tolerances. Starting with clear, reliable propene, tracking every step through barcodes and digital logs, and running impurity profiles on every lot gave us lessons textbook information misses.
We fix issues promptly. If a batch lands outside supported limits on isomer or water content – and that’s rare – a second shift reprocesses it, no shortcuts. There’s no quiet hiding of errors; everything stays transparent. More than a matter of pride, this keeps our partners satisfied and backs up every certificate of analysis handed over with real, documented diligence.
Brominated alkenes like 3-Bromo-1-propene ride global swings in feedstock and halogen pricing, but in practice, committed production smooths out most of the volatility. We hedge raw material purchases and book forward contracts, watching index prices daily. Our experience, built over decades, means we rarely face the “sold out” notes that frustrate academic and commercial buyers alike.
Regular orders, spot requests, and emergency shipments all cross the same desks and floors that see the daily quality checks. Customers talk directly to production staff rather than navigating sales layers. We’ve found this keeps feedback loop tight, and features that frustrate users – like cap threading or transfer obstacles – get fixed promptly, sometimes before the next bulk run. Being rooted in domestic production gives an edge over pure importers. Problems get solved with real people, not automated ticket numbers.
Our company culture changed for the better once environmental impact stopped being an afterthought. Handling halogenated hydrocarbons means careful waste minimization, solvent recovery, and air emissions control. Over the years, we invested in regenerative thermal oxidation for offgas and closed washing and drying loops that drop wastewater volumes. Government mandates played a role, but pride in clean processes kept the pace higher than regulations alone require.
Solvent recovery units pull nearly pure dimethylformamide and toluene from process effluents. Waste bromide streams route through internal quenching systems before hitting municipal or industrial treatment. Each time an auditor or local regulator walks the plant, they find battle-tested controls designed to withstand daily scrutiny, not just once-a-year certifications.
Shipping this molecule introduces challenges – brominated alkenes don’t want to sit for months in hot port warehouses or underleakproof drums. Our logistics team coordinates temperature-controlled freight for international orders, weather-protected local trucks for nearby deliveries, and robust palletizing for shock-resistance. Years of doing it wrong, and hearing about the results from customer labs, pushed our standards up.
Each container gets coded with manufacturing and packing dates. This helps customers plan inventory turns and ensures downstream reactions start with prime material. No “gray area” re-labeling or overlong storage leaves our floor. Returns from customers with subpar experiences prompt full tracebacks, often ending with process improvements. Chemical manufacturing rarely runs smoothly day in, day out – but direct dialogue and willingness to double down on quality creates a confidence that arms-length traders can’t replicate.
Over two decades, we watched markets shift: early-on, flame retardants made up most orders; now, it’s intermediates for APIs, new polymers, and crop protection products. Flexible production infrastructure means we can ramp up or dial back quickly, circumventing bottlenecks that slow multi-purpose chemical facilities. Customers building new routes for ligands, chiral auxiliaries, or experimental monomers often phone to check if tight specs can be met. Our answer usually starts with checking recent runs for consistency, not reading boilerplate assurances.
Unexpected applications, from novel surfactant syntheses to coupling in exotic organometallic frameworks, show up every year. Academic partners bring requests for new sample sizes or tighter contaminants’ thresholds, and production answers with process tweaks. Many small-batch successes, initially uncomfortable scale-ups, now make up steady business. Backing up these developments means more than just selling “product on paper”; shared risk and technical feedback shape very batch we dispatch.
Many chemical producers drift toward minimal compliance, treating audits as obstacles. Years of fielding customer audits, third-party inspectors, and regulator visits taught us the value of knowing our production story inside and out. From the person overseeing a midnight reaction charge to the final packing check, every step is documented. Every product shipped, especially one as widely used as 3-Bromo-1-propene, carries a piece of our reputation.
Long-term partners know to expect candor about product strengths and limitations. If doubts crop up about suitability for a new reaction or physical form, open discussion about solubility, volatility, or handling quirks means future headaches can often be dodged. This degree of responsibility grows out of seeing the material at every step, not just a sales order traveling down a digital pipeline.
Great chemical production rides not only on process diagrams, but also on the people executing the work. Shopfloor experience, shared over morning coffee or quick safety huddles, fuels small improvements. Decades-long operators spot anomalies instruments miss – a hint of haze in glass, a subtle shift in odor or texture. This institutional memory anchors every new operator’s training and keeps “impossible” production targets realistic.
Feedback from partner labs, customers scaling new reactions, and regulatory authorities all go straight into the operating playbook. The idea is never to sell one batch and run; we want partners who stay for years, knowing each drum matches claims, and every question gets a meaningful, informed answer. Stable chemistry, reliable results, and straightforward experience: these qualities matter far more than clever marketing ever could, and they rest squarely on doing the daily hard work, batch after batch.
