Allyl Bromide: The Backbone and Building Block of Synthetic Chemistry
Historical Development
Looking back, chemistry felt like a wild frontier through much of the nineteenth century. The discovery of allyl bromide—C3H5Br, or 3-bromoprop-1-ene—gave scientists a powerful tactical tool for future research. Early reports tie the initial synthesis to the late 1800s, as bromination methods started gaining traction. Pioneers such as August Wilhelm von Hofmann worked with allyl compounds and noticed their distinct reactivities, which set a course for more advanced organic synthesis. By the early twentieth century, allyl bromide helped open paths to polymers, medicines, and new classes of materials nobody could imagine at the time.
Product Overview
Allyl bromide might look unassuming—a colorless to pale-yellow liquid—but it plays above its weight in both industry and research labs. Even a modest flask of this compound offers doors to all sorts of transformations thanks to its reactive double bond and bromine atom. This chemical gets shipped in steel drums, glass bottles, or even custom cylinders, tailored for the scale at hand. Labels mark the product with its CAS number 106-95-6, batch details, and tight storage guidelines. Old chemistry texts often called it 3-Bromopropene, but it also appears under labels like monobromopropylene and 1-bromo-2-propene. No matter the name, the urgency behind safe handling stays the same.
Physical & Chemical Properties
Allyl bromide clocks in with a boiling point around 71°C under atmospheric pressure. Pour some into a flask, and its spicy, acrid odor quickly fills the air, a reminder that ventilation is critical. The density sits higher than water, roughly 1.398 g/cm³ at room temperature, so spills need careful attention. It barely mixes with water but blends well with common organic solvents—anything from ether to alcohols. Chemically, allyl bromide stands out for its dual nature: the allyl group adds a punch of reactivity, while bromine offers an easy leaving group for substitutions. That makes it a bridge between simple hydrocarbons and more complex functional frameworks.
Technical Specifications & Labeling
Supplying allyl bromide involves attention to technical markers on every batch. Most research-grade samples must meet purity greater than 98% by GC analysis, with water content kept under 0.5%. Packaging labels should list the chemical abstract service (CAS) number, UN number (UN 2334 for transport), hazard pictograms, and essential warnings such as “flammable liquid” and “toxic by inhalation.” Suppliers provide certificates of analysis, batch traceability, and shelf-life data. Distribution chains carry strict protocols for warehousing away from heat, sunlight, and incompatible chemicals such as strong bases or oxidizing agents. Regulatory classifications, such as EPA and REACH, set transport and handling standards that every handler must check before opening a container.
Preparation Method
Synthesizing allyl bromide revolves around classic halogenation chemistry. One reliable route takes allyl alcohol—a renewable feedstock from glycerol—and reacts it with hydrobromic acid under controlled conditions. Researchers developed methods to minimize overbromination and unwanted byproducts, often including sulfuric acid as a catalyst. Some industrial plants favor phosphorus tribromide (PBr3) for a cleaner conversion from allyl alcohol. The process runs under chilled conditions to keep allyl bromide from evaporating too quickly, and the product gets distilled under vacuum to secure high purity. Thanks to improvements in batch reactors, companies now recover and recycle much of the starting material, reducing waste and energy use.
Chemical Reactions & Modifications
Allyl bromide owes much of its fame to its willingness to participate in SN2 and SN1 nucleophilic substitutions. Add a nucleophile—amines, thiols, or alkoxides—and the bromine atom departs smoothly, making way for new C-N, C-S, or C-O bonds. That’s the textbook reaction, but the story doesn’t stop there. Under basic conditions, the compound can set off polymerization, producing polyallyl structures with distinct uses. Allyl bromide interacts with metal catalysts in cross-coupling reactions, creating branched molecules that expand the organic chemist’s toolkit. Chemists exploit the double bond in Diels-Alder and metathesis reactions, bringing diversity to synthetic schemes in pharmaceuticals and agrochemicals. Ongoing work explores greener modifications, including biocatalytic activation and photochemical approaches, aimed at boosting safety and sustainability in the lab.
Synonyms & Product Names
Allyl bromide shows up in catalogs and literature under a cluster of synonyms: 3-bromopropene, 2-propenyl bromide, monobromopropylene, and UN 2334 for transportation. Historically, differences in nomenclature caused confusion, especially with similar compounds such as allyl chloride. Some commercial vendors brand the product under proprietary names, but regulatory frameworks stick with the systematic International Union of Pure and Applied Chemistry (IUPAC) terminology to cut down mistakes. Consistency in chemical trade names links directly to safe handling and traceability—missing details in a label can set the stage for nasty surprises in storage or during synthesis.
Safety & Operational Standards
The risks tied to allyl bromide go well beyond simple flammability. This liquid vaporizes quickly, raising concerns for eye, skin, and respiratory irritation—sometimes with long-term nervous system or liver effects if exposure isn’t controlled. In my time running university labs, strict protocols made the difference: Always work with allyl bromide in a fume hood, choose nitrile gloves for spills, and rely on chemical splash goggles. Regulations from agencies like OSHA and the European Chemicals Agency (ECHA) call for personal protective equipment (PPE), spill kits, and tightly closed containers sealed under inert gas such as nitrogen. Storage involves segregating away from strong acids or bases and keeping quantities as small as possible. Risk assessments account for accidental release scenarios, and every operation involving allyl bromide demands a cleanup plan on hand, since absorption through the skin can turn dangerous within minutes. Detailed training matters far more than a warning sticker.
Application Area
Industrial and research applications of allyl bromide run deep. In pharmaceuticals, this compound forms the critical backbone for drugs targeting everything from infections to hypertension; think of it as a building block for antifungal, anti-inflammatory, and cancer agents. The agrochemical sector uses allyl bromide for synthesizing herbicides and pesticides that control crop disease while minimizing residual buildup. Polymers and plastics benefit from the allyl group’s reactivity, enabling cross-linking in specialty resins and adhesives. Everyday products—flavorings, fragrances, surfactants—draw on small-scale reactions in which allyl bromide installs groups that change function, scent, or interaction with water. Even materials science leverages this compound for tweaking surface properties and engineering coatings with specific resilience or conductivity. In my own R&D experience, the payoff comes from allyl bromide’s ability to add complexity without endless protecting group gymnastics, speeding up timelines in the discovery of novel compounds.
Research & Development
Researchers keep probing ways to improve allyl bromide’s synthesis and usage, with cleaner chemistry and environmental concern at the forefront. New catalyst systems reduce the hazardous byproducts tied to old halogenation methods. Ongoing projects look to renewable feedstocks, such as plant-derived propylene, as replacements for fossil-based inputs. The compound’s versatility keeps it at the forefront of method development: medicinal chemists depend on its selectivity for constructing macrocycles, while polymer chemists employ it to tailor mechanical properties in advanced materials. Analytical protocols, including advanced chromatography and mass spectrometry, boost confidence in purity and batch consistency, a vital metric for regulatory clearance in pharmaceuticals. Collaborative grants, both in industry and in academic labs, keep energizing the next wave of synthetic methodology, reactivity, and safety protocols.
Toxicity Research
Scientists have charted the toxicology of allyl bromide through both short- and long-term studies. Acute exposure typically leads to headaches, dizziness, breathing trouble, and skin blisters, with chronic effects stretching into organ toxicity and possible carcinogenicity. Animal models show nervous system depression and liver damage at moderate to high doses. Data reveal that metabolism delivers reactive intermediates, which is why strong ventilation, tight PPE, and careful monitoring make a difference. Regulatory agencies mandate occupational exposure limits and require specific hazard communication under Globally Harmonized System (GHS) standards—think “skull and crossbones” pictograms and clear risk phrases. Despite its risks, improved monitoring and safety controls have halved reported lab accidents in the past decade, according to peer-reviewed chemical safety journals. The message stands clear: respect for the risks brings the greatest benefit.
Future Prospects
Innovation around allyl bromide shows no sign of slowing. Chemical manufacturers push for sustainable routes with lower carbon footprints and closed-loop recycling, both to satisfy strict environmental policies and to lower costs. Advances in continuous-flow reactors mean less waste, improved yields, and tighter control over hazardous conditions. The next big leap might come from biocatalysis, where enzymes swap in for harsh chemicals, producing allyl bromide or its derivatives at lower temperature and with less environmental impact. On the technology front, AI-based prediction tools help chemists pick optimal pathways, shrinking developmental timelines. Consumers—whether industry partners or research labs—demand transparency, traceability, and evidence-backed risk management, themes that shape regulations and plant practices everywhere. As science races ahead, allyl bromide keeps its spot as a staple in the arsenal, tested by time, shaped by experience, and energized for whatever breakthroughs tomorrow brings.
Digging Into Allyl Bromide’s Purpose
Allyl bromide is no household name. Even most chemistry undergrads don’t bump into it outside of textbooks and lab sessions. This compound—clear, fiery-smelling, highly flammable—shows up in many chemistry stories, and not always the kind you’d expect. It stands out as a building block in making more complex molecules, usually in the hands of trained professionals who know what they’re doing.
Chemistry’s Versatile Problem-Solver
This liquid comes in handy during organic synthesis—a world where scientists piece together new and useful materials from basic bits. Its main contribution lies in delivering that three-carbon “allyl” group. You want to change the shape or function of a molecule, maybe turn it into a pharmaceutical, pesticide, fragrance, or flavor? Allyl bromide can lend that backbone.
I’ve seen this process up close in the lab. Picture adding a dash of allyl bromide to a flask, triggering a chemical reaction, and then, after careful cleanup, ending with a molecule that just didn’t exist before. The options open up for researchers: drugs with better absorption, plastics with unique properties, and polymers that can’t be assembled in any other way.
Pharmaceuticals, Polymers, and Pesticides
Allyl bromide’s story doesn’t end at being a molecular add-on. In pharmaceuticals, scientists use it to change how drugs behave in the body. Take anti-inflammatory drugs: chemists tinker with medicine at the molecular level, looking for ways to boost effectiveness or cut down on side effects. That tinkering often calls for allyl groups, and here’s where allyl bromide enters the ring.
Polymers—those long, chainlike molecules—benefit as well. Chemists use allyl bromide to create new chain structures, sometimes for adhesives or fibers stronger and lighter than ever. In the pesticide industry, slightly adjusted molecules, made possible by allyl bromide, offer better pest control or break down faster in the environment, cutting toxic residue in crops and soil.
Hazards and Health
There’s no denying the dark side. Allyl bromide carries real hazards. Direct exposure stings skin, burns eyes, and attacks lungs. Long-term exposure links to nerve damage. Stories from industrial chemists often include memories of thick gloves, ventilation hoods, extra checks and double-checks on safety. People who work with it treat it with caution, not just because company policy says so, but because they’ve felt the bite of a drop on skin or seen what fumes can do.
Industrial accidents, while rare, can do a lot of damage. I’ve lost count of the training sessions on handling toxic intermediates. A few years ago, a chemical spill in a factory showed what happens when ventilation falters: hospital visits, temporary shutdowns, and a lot of local concern. Even with modern safety standards, the risks are real, and cutting corners never pays.
Ways Forward—Balancing Use and Safety
The way chemists approach allyl bromide continues to evolve. Many labs invest in closed systems that keep fumes contained, automate dangerous steps, or swap in less hazardous reagents where the science allows. Training workers in proper handling still goes further than any fancy piece of gear. Manufacturers now often work with environmental, health, and safety experts to keep risks down, especially near factories or transport routes.
Looking ahead, chemists put pressure on themselves to invent cleaner, safer routes to the same important molecules. The field of “green chemistry” has gained ground, searching for gentler ways to get those useful allyl groups without resorting to such a tough customer. That effort won’t be overnight. For now, allyl bromide sits in labs and factories, important but always handled with respect and caution, its risks never far from mind, its usefulness making it tough to fully leave behind.
Understanding the Real Risks
Allyl bromide may sound like just another chemical, but a whiff of its sharp odor will remind anyone how aggressive it gets. Touching this compound without proper gear burns skin and leaves a sting that sticks around for hours. Breathing in its fumes leaves more than a headache—it can hit lungs and airways hard, especially for anyone with even slight asthma. NIOSH and OSHA warn about the acute effects, and looking at the evidence, that warning isn’t overkill.
No Substitute for Real Protection
Anyone pouring allyl bromide straight from the bottle needs nitrile or butyl gloves, not thin latex that tears at the first sign of a splash. Chemical splash goggles keep eyes safe. Lab coats felt like overkill to me early on, but I stopped thinking that after seeing a burnt arm where someone trusted a sweatshirt. Wearing a tight-sealing half-face respirator with organic vapor cartridges pays off, especially in poorly vented spaces.
Ventilation Isn’t Optional
Fume hoods transform a risky experiment into routine work. Feeling even a tinge of its sharp smell signals a problem: either the hood’s not working or the sash is open way too high. Trying to shortcut by working on the open bench seemed easier until I realized just how sick a few parts-per-million can make you. Good airflow isn’t about comfort but staying on your feet.
Storage Needs Serious Thought
Leaving allyl bromide just anywhere ends poorly. I’ve seen labs tossed upside down after small leaks—nobody wants to waste half a day evacuating a building. Polyethylene bottles with tight seals, stored in cool, well-labeled corrosives cabinets, keep accidents in check. Chemical compatibility matters; putting allyl bromide near oxidizers or acids invites disaster. Fire-resistant storage is more than just a line on a safety audit form.
Quick Response Saves More Than Skin
Splashing allyl bromide on bare skin feels like a wasp sting multiplied by ten. You have to go straight to the safety shower. Clothes need peeling off right away, and rinsing for at least 15 minutes helps, but even then, burns aren’t always just on the surface. Eye splashes need the eyewash station, even though it feels over-the-top. Chemical burns here go deep, faster than I thought possible. For spills, vermiculite and a tight-fitting respirator turned a panic into a routine cleanup—skipping that step, even once, left someone coughing for hours.
Training Builds Habits, Not Just Knowledge
No safety sheet beats real-life drills. Practicing with fake spills using the same spill kits makes reacting second nature. Training others on the importance of labeling, double-checking ventilation, or alerting coworkers reinforces good habits. I remember a colleague who caught an airflow alarm—which saved us from an accidental vapor release.
Smart Practices, Fewer Regrets
Taking allyl bromide seriously isn’t just about ticking boxes. Strict safety rules mean fewer ER visits and less time scrubbing floors clean after an accident. Choosing the right gear, keeping training fresh, checking every bottle before use—these habits protect everyone in the lab. Responsible handling ensures nobody takes home painful chemical burns or long-term health issues that could have been prevented with a few extra seconds of care.
Getting to Know Allyl Bromide
Allyl bromide, with the chemical formula C3H5Br, always finds its place in organic chemistry labs and industrial setups. It carries a molecular weight of about 120.98 g/mol. Behind these straightforward numbers hides a compound that commands attention not just for its reactivity, but for the handling it demands from students, scientists, and workers who use it day in and day out.
Why the Formula Matters in the Real World
I remember my first encounter with allyl bromide while trying to run a simple alkylation reaction in grad school. Having its molecular formula at my fingertips didn’t just help with balancing equations. It also kept me from making costly miscalculations that could ruin a day’s worth of hard work—or in the worst case, lead to dangerous lab accidents due to poor stoichiometry. Chemistry rewards precision, and keeping facts like C3H5Br fresh in your mind can keep things moving smoothly.
The Weight Behind the Numbers
Allyl bromide doesn’t get treated like some harmless classroom demonstration. Its molecular weight, 120.98 g/mol, plays a practical role every time someone measures out reagents. Industrial scale production might not seem to touch daily life, but those small numbers are how a chemist converts between grams and moles, planning out everything from sourcing raw materials to disposing of waste. Misjudging the weight or proportions can turn a simple task into chaos.
I’ve seen teams scramble because someone overlooked the difference in density or didn’t check the molecular weight before mixing. Those lapses slow progress, increase hazards, and cost both time and money. Strong chemical literacy is not just about memorizing facts—it’s about understanding why those facts matter when talking safety, efficiency, and environmental impact.
Facts in Context: Health, Safety, and Practical Value
People working with allyl bromide know the stakes aren’t small. It is toxic and a recognized irritant, so mistakes caused by ignorance or inattention can have real health consequences. Proper training starts with clear understanding of basic facts, like its formula and molecular mass, but don’t end there. I’ve worked alongside both seasoned chemists and bright-eyed undergrads, and I’ve found that the ones who treat handling numbers and physical data with respect also approach personal protection and waste disposal more seriously.
Some of the best safety programs I’ve seen stay grounded in the nuts-and-bolts details: posting molecular weights and formulas right next to workbenches. This habit doesn't just help with reaction prep, it reminds everyone that behind every procedure is a risk that can be managed or compounded. The reminder keeps people thinking, triple-checking before adding anything to a flask—and that’s saved more than a few hands and lungs over the years.
Practical Moves Forward
Widespread, clear materials—like data cards listing formulas and safe handling tips—help foster this culture of careful chemistry. I’ve witnessed labs that regularly quiz their members on chemical facts and safety steps, and teams that run smoother and safer as a result. In a world where one slip can cause lasting harm, the small effort of learning and teaching the basics—such as C3H5Br and its mass—pays off in both confidence and real-world results.
Understanding the Risks
Storing chemicals safely sometimes feels like an afterthought, but ignoring a bottle of allyl bromide on a shelf turns small mistakes into dangerous emergencies. I once visited a university stockroom and noticed the acrid sting in the air—someone had left a container cracked open. Even a whiff gave me a headache. That’s the nature of allyl bromide. It’s volatile, it tends to seep through small gaps, and it clings to the memory of your nose for hours. Proper storage starts with respect for the risks it brings.
The Realities of Flammability and Toxicity
Allyl bromide is as flammable as lighter fluid. Sparks or static electricity turn leaks into explosions. On top of that, this chemical irritates eyes, skin, and lungs with frightening speed. People who handle it day-to-day wear gloves and goggles just to open a container. I’ve heard of chronic exposure leading to respiratory issues and rashes. Short-term solutions—like stuffing a bottle on any free shelf or relying on paper labels—never hold up.
Keeping Air and Moisture Out
Humidity and air do more than degrade the product; they can trigger slow corrosion or dangerous reactions. Moisture will slowly destroy the purity, eat through improperly sealed caps, and create pressure buildup. I once saw a bottle bulge within a week because the cap wasn’t sealed tight. Vapor locks and Teflon-lined seals make more of a difference than any warning sign on a cabinet door. Glass containers keep the chemical stable, but not all plastics stand up—polyethylene gets brittle and cracks.
Cold, Dark, and Well-Labeled
Allyl bromide likes the cold. Refrigerators, set away from food and drink, lower the evaporation rate, keep vapors inside bottles, and slow any unexpected reactions. Temperature matters most in crowded storerooms or warm climates. Ultraviolet light helps break down the chemical, speeding up decay and raising pressure. Dark cabinets or brown-tinted glass add another layer of safety. Every container—not just the main bottle—should carry a clear hazard label and date of opening. In shared spaces, I’ve seen unlabeled bottles spark confusion and panic in younger researchers. Clear communication keeps surprises away.
Ventilation and Isolation
It’s tempting to toss everything in one storage locker, but allyl bromide should never share space with acids, oxidizers, or bases. Reactions bring about worse fumes or even fires. Store allyl bromide below shoulder height, so accidental spills don’t splash faces. Ventilated cabinets, with direct exhaust to the outdoors, dilute escaping vapors. A whiff of the chemical is enough to know you don’t want more hanging in the air. I’ve seen rooms shut down because one bottle tipped and people struggled to breathe hours later. Families and non-professionals need to keep this out of homes entirely—no exceptions.
Responding With Preparedness
Spill kits, eyewash stations, and printed instructions stay close to wherever allyl bromide gets used. Paper towels and soap only spread the problem. Special absorbents and neutralizers are a must. People often ignore drills or trim corners for convenience. I’ve learned that spending two minutes double-checking caps, seals, and labels lowers risk far more than any silver bullet policy from a safety manual. Vigilance and willingness to ask for help make the chemical a tool instead of a hazard.
A Close Look at a Common Chemical
People who spend time in labs or around chemical manufacturing know allyl bromide by its sharp, musty smell, which isn’t something you forget. This clear, colorless liquid is more than just an odd ingredient in textbooks. Industry uses it for making pharmaceuticals, fragrances, and polymers. The stuff looks innocent on a shelf, but the trouble it brings to health and the environment has kept me, and many others, wary of its use.
Visible Risks to Health
A few years ago, working alongside researchers, I watched one accidentally splash a drop of allyl bromide onto their hand. The reaction was immediate—redness, burning sensation, and a full evacuation of the lab to air out the vapors. This chemical soaks into skin easily. Irritation is the least of the worries. Study after study points out that allyl bromide acts as a nerve poison. Breathing its vapor leads to dizziness, headache, and, if things go wrong, tremors and confusion. The U.S. National Library of Medicine warns about possible damage to the liver and kidneys when working without the right protection.
Even outside direct contact, allyl bromide makes handling risky. The vapor heavier than air, spreads quickly along floors and in low spaces, going unnoticed until someone feels sick. There's a strong consensus from toxicologists: always handle in a fume hood, and never let your guard down. The Centers for Disease Control and Prevention outlines exposure limits for a good reason. Values are set low—just 1 ppm for workplace air. That speaks volumes about its power to harm even in small doses.
Real Environmental Concerns
After a spill, allyl bromide doesn’t just vanish. Waterways near facilities using this compound show drops in oxygen, with aquatic life struggling to survive. Bromide ions persist in water, disturbing local ecosystems, eventually converting into organic bromine byproducts under the right conditions. These byproducts become part of a chain reaction, contributing to long-term soil and water pollution. The U.S. Environmental Protection Agency ranks allyl bromide as a hazardous air pollutant, citing its toxic effects and its potential for forming ground-level ozone. Years ago, after a nearby spill, people downstream couldn’t eat fish from the river for months.
Safer Handling and Smarter Choices
There’s no magic fix to remove allyl bromide from industrial streams overnight, but steps exist for anyone looking to limit exposure. I always double-check that gloves are made from the right material—nitrile stands up better than latex. Chimical showers should remain close, and emergency protocols drilled into long-term memory. Labs and plants can switch in safer alternatives that work in similar reactions. The green chemistry movement pushes hard for less toxic chemicals, like using allyl chloride, which, though not exactly harmless, comes with a lower risk profile. It boils down to changing processes, rethinking what's truly necessary, and keeping transparency at the center—suited to protect workers and the communities nearby.
With facts laid out by groups like OSHA and EPA, the dangers tied to allyl bromide stay clear. Routine risk assessment, protective gear, and investment in newer technology help shrink the fallout. Watching for leaks, running regular health check-ups, and keeping the public informed turn out safer workspaces and neighborhoods. This chemical shouldn’t dominate our daily decisions in the name of convenience; the balance between innovation and safety deserves full attention.
| Names | |
| Preferred IUPAC name | 3-bromoprop-1-ene |
| Other names |
3-Bromopropene
Allylbromide 1-Bromopropene 1-Bromo-2-propene UN 1099 |
| Pronunciation | /ˈæl.ɪl ˈbroʊ.maɪd/ |
| Identifiers | |
| CAS Number | 106-95-6 |
| Beilstein Reference | 3587150 |
| ChEBI | CHEBI:16521 |
| ChEMBL | CHEMBL14147 |
| ChemSpider | 6194 |
| DrugBank | DB06711 |
| ECHA InfoCard | 100.004.482 |
| EC Number | 203-684-5 |
| Gmelin Reference | 7406 |
| KEGG | C01257 |
| MeSH | D000576 |
| PubChem CID | 7847 |
| RTECS number | AL3150000 |
| UNII | 22295-93-0 |
| UN number | 1099 |
| CompTox Dashboard (EPA) | urn:cpdat:4709 |
| Properties | |
| Chemical formula | C3H5Br |
| Molar mass | 120.99 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Odor | Pungent |
| Density | 1.398 g/mL at 25 °C |
| Solubility in water | 10.6 g/100 mL (20 °C) |
| log P | 1.98 |
| Vapor pressure | 47 mmHg (20°C) |
| Acidity (pKa) | 15.7 |
| Basicity (pKb) | Allyl Bromide has a pKb of approximately -9. |
| Magnetic susceptibility (χ) | -7.49 × 10⁻⁶ cm³/mol |
| Refractive index (nD) | 1.463 |
| Viscosity | 0.661 mPa·s (at 20 °C) |
| Dipole moment | 4.62 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 322.6 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -26.5 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | –3345 kJ/mol |
| Hazards | |
| GHS labelling | GHS02, GHS05, GHS06, GHS07 |
| Pictograms | GHS02,GHS06 |
| Signal word | Danger |
| Hazard statements | H225, H301, H311, H315, H319, H330, H335, H341, H351 |
| Precautionary statements | P210, P233, P240, P241, P242, P243, P261, P264, P270, P271, P280, P301+P310, P303+P361+P353, P304+P340, P305+P351+P338, P307+P311, P312, P321, P330, P337+P313, P363, P370+P378, P403+P235, P405, P501 |
| NFPA 704 (fire diamond) | 3-4-2-W |
| Flash point | 10 °C |
| Autoignition temperature | 226 °C (439 °F; 499 K) |
| Explosive limits | Lower: 3.6%, Upper: 14% |
| Lethal dose or concentration | LD50 oral rat 132 mg/kg |
| LD50 (median dose) | LD50 (median dose): Oral-rat LD50: 155 mg/kg |
| NIOSH | NIOSH = "AT6475000 |
| PEL (Permissible) | PEL = "OSHA Permissible Exposure Limit (PEL) for Allyl Bromide is 1 ppm (5 mg/m³) as an 8-hour time-weighted average. |
| REL (Recommended) | Fume Hood |
| IDLH (Immediate danger) | 250 ppm |
| Related compounds | |
| Related compounds |
Allyl chloride
Allyl iodide Allyl alcohol Allyl acetate Bromoethane |
