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Impurities and reference standards

Allyl bromide

Also known as 3-bromoprop-1-ene, 3-Bromopropene, 3-Bromo-1-propene

CAS 106-95-6Formula C3H5BrMolar mass 120.98 g/molEC 203-446-6
GHS signal word: Danger. Pictograms: Flammable, Corrosive, Acute toxicity (severe), Harmful or irritant 55 suppliers listed
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Allyl bromide chemical structure, C3H5Br, CAS 106-95-6
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless to light yellow liquid
Melting point
-119 °C
Boiling point
71.3 °C
Density
1.398 at 20 °C/4 °C
Flash point
-1 °C
HS code
290369
Category
Impurities and reference standards
UN number
UN 1099
Illustrative photo, clear liquid in a volumetric flask on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Allyl bromide?

Plain description, key identifiers and synonyms

Allyl bromide appears as a clear colorless to light yellow liquid with an irritating unpleasant odor. Flash point 30 °F. Irritates eyes, skin, and respiratory system. Toxic by skin absorption. Denser than water and slightly soluble in water.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-bromoprop-1-ene
CAS number
106-95-6 CAS number cross-checked
EC number
203-446-6
Molecular formula
C3H5Br
UNII
FXQ8X2F74Z
MDL number
MFCD00000244
InChIKey
BHELZAPQIKSEDF-UHFFFAOYSA-N
InChI
InChI=1S/C3H5Br/c1-2-3-4/h2H,1,3H2
SMILES (canonical and isomeric)
C=CCBr

Synonyms

  • 3-bromoprop-1-ene
  • 3-Bromopropene
  • 3-Bromo-1-propene
  • 1-Propene, 3-bromo-
  • 3-Bromopropylene
  • 2-Propenyl bromide
  • Bromallylene
  • 1-Bromo-2-propene
  • Propene, 3-bromo-
  • Biapenem Impurity 2
  • allylbromide
  • Allyl Bromide (Stabilized with Propylene Oxide)
  • Biapenem Impurity 20
  • allylbromid
  • allyl bromine
  • allyl-bromide
  • 3-bromo-propene
  • 1-brom-2-propene
  • 3-bromo-1-propen
  • UN 1099
  • 3-bromo-prop-1-ene
  • CH2=CHCH2Br
  • 3-Bromopropene Allyl bromide
  • Allyl bromide, purum, >=98.0% (GC)
  • Allyl bromide, puriss., >=99.0% (GC)
Show all 29 synonyms
  • Allyl bromide [UN1099] [Flammable liquid]
  • Allyl bromide, 99%, stab. with 300-1000ppm Propylene oxide
  • Allyl bromide, reagent grade, 97%, contains <=1000 ppm propylene oxide as stabilizer
  • Allyl bromide, ReagentPlus(R), 99%, contains <=1000 ppm propylene oxide as stabilizer

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Colorless to light yellow liquidexp.
Odour
Unpleasant, pungentexp.
Melting point
-119 °Cexp.
Boiling point
71.3 °Cexp.
Density
1.398 at 20 °C/4 °Cexp.
Flash point
-1 °Cexp.
Autoignition temperature
295 °Cexp.
Solubility
In water, 3,835 mg/L at 25 °Cexp.
Vapour pressure
118 [mm Hg] @20 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
120.98 g/molcalc.
Exact mass
119.9575 Dacalc.
LogP (octanol/water)
1.57calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
1calc.
Heavy atoms
4calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.33calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment
331NFPA 704 rating

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H300Fatal if swallowed.
  • H301Toxic if swallowed.
  • H310Fatal in contact with skin.
  • H314Causes severe skin burns and eye damage.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H330Fatal if inhaled.
  • H331Toxic if inhaled.
  • H335May cause respiratory irritation.
  • H340May cause genetic defects.
  • H350May cause cancer.

1 more on the safety page.

Precautionary statements (42)
  • P203Obtain, read and follow all safety instructions before use.
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P352If on skin: Wash with plenty of water.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 1099
Transport hazard class
3
Packing group
I

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Allyl bromide suppliers

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Where suppliers are based

55 suppliers in 9 countries

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Allyl bromide price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Manufacture of synthetic perfumes, other allyl compounds.

Insecticidal fumigant.

Chemical intermediate in organic synthesis, for resins (copolymer with sulfur dioxide) and fragrances.

As a fumigant (if quite volatile) or as a contact poison.

Used in the manufacture of plastics and dyestuff.

Industrial uses: UV stabilizer, Intermediate.

How it is made

Reaction of hydrogen bromide and allyl alcohol, partial dehydrobromination of dibromopropane and separation of isomers.

Prepared from hydrobromic acid and allyl alcohol, ... from triphenylphosphite, allyl alcohol and benzyl bromide.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Allyl bromide is traded under.

HS 2903.69Indicative HS code

Brominated or iodinated derivatives of acyclic hydrocarbons, other

World exports in 2024
$135M
−18.6% vs 2023, imports $139M
2022 to 2024
Top exporters
  1. China26.7%
  2. United States26.3%
  3. Netherlands12.3%
Top importers
  1. United States13.2%
  2. India * partner reported9.6%
  3. Japan9.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Allyl bromide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Allyl bromide, based on the data on this page

What is Allyl bromide?

Allyl bromide appears as a clear colorless to light yellow liquid with an irritating unpleasant odor. Flash point 30 °F. Irritates eyes, skin, and respiratory system. Toxic by skin absorption. Denser than water and slightly soluble in water.

What is the CAS number of Allyl bromide?

The CAS registry number of Allyl bromide is 106-95-6.

What is the molecular formula and weight of Allyl bromide?

The molecular formula of Allyl bromide is C3H5Br and its molar mass is 120.98 g/mol.

What is Allyl bromide used for?

Manufacture of synthetic perfumes, other allyl compounds. Insecticidal fumigant. Chemical intermediate in organic synthesis, for resins (copolymer with sulfur dioxide) and fragrances. As a fumigant (if quite volatile) or as a contact poison. Used in the manufacture of plastics and dyestuff.

Is Allyl bromide hazardous?

Allyl bromide carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, fatal if swallowed, toxic if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Allyl bromide?

Allyl bromide is usually classified under HS code 290369 (Brominated or iodinated derivatives of acyclic hydrocarbons, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Allyl bromide?

CompoundList lists 55 suppliers of Allyl bromide in India, China, United States, United Kingdom and 5 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Allyl bromide in India?

21 suppliers in India list Allyl bromide on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Allyl bromide?

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Guides for buyers

Practical guides that help when you source, ship or handle Allyl bromide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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