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Ethers, epoxides and acetals

Epibromohydrin

Also known as 1-Bromo-2,3-epoxypropane, 2-(Bromomethyl)oxirane, Epibromhydrin

CAS 3132-64-7Formula C3H5BrOMolar mass 136.98 g/molEC 221-525-3
GHS signal word: Warning. Pictograms: Flammable, Harmful or irritant, Serious health hazard 8 suppliers listed
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Epibromohydrin chemical structure, C3H5BrO, CAS 3132-64-7
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Liquid
Melting point
-40 °C
Boiling point
137 °C
Density
1.615 g/cm³ at 14 °C
Flash point
56.1 °C
HS code
291090
Category
Ethers, epoxides and acetals
UN number
UN 2558
Illustrative photo, closed blue jerry cans in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Epibromohydrin?

Plain description, key identifiers and synonyms

Epibromohydrin is an epoxide that is oxirane substituted by a bromomethyl group at position 2. It has a role as a mutagen. It is an epoxide and an organobromine compound. It is functionally related to a 1,2-epoxypropane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(bromomethyl)oxirane
CAS number
3132-64-7 CAS number cross-checkedOther or deprecated CAS: 27815-35-6, 51594-57-1
EC number
221-525-3
Molecular formula
C3H5BrO
UNII
8E89677I6B
MDL number
MFCD00005130
InChIKey
GKIPXFAANLTWBM-UHFFFAOYSA-N
InChI
InChI=1S/C3H5BrO/c4-1-3-2-5-3/h3H,1-2H2
SMILES (canonical and isomeric)
C1C(O1)CBr

Synonyms

  • 1-Bromo-2,3-epoxypropane
  • 2-(Bromomethyl)oxirane
  • Epibromhydrin
  • Epibromohydrine
  • (Bromomethyl)oxirane
  • Oxirane, (bromomethyl)-
  • 1,2-Epoxy-3-bromopropane
  • (Bromomethyl)ethylene oxide
  • 3-Bromo-1,2-epoxypropane
  • 3-bromopropylene oxide
  • alpha-Epibromohydrin
  • Epibromhydrine
  • Propane, 1-bromo-2,3-epoxy-
  • Epibromhidrina
  • Propane, 3-bromo-1,2-epoxy-
  • Oxirane, 2-(bromomethyl)-
  • 2,3-epoxypropyl bromide
  • (RS)-3-bromo-1,2-epoxypropane
  • (R)-Epibromohydrine
  • 2-bromomethyloxirane
  • Oxiranylmethyl bromide
  • Bromohydrin
  • 2-bromomethyloxiran
  • Propane,2-epoxy-
  • 2-bromomethyl-oxirane
Show all 35 synonyms
  • racemic epibromohydrine
  • Epibromohydrin, 98%
  • (+/-)-epibromohydrin
  • 2-(bromomethyl) oxirane
  • 2-(bromomethyl)-oxirane
  • Epoxy bromopropane
  • 1-bromo-2,3-epoxypropane-
  • (r/s)-2-bromomethyl-oxirane
  • (.+/-.)-(Bromomethyl)oxirane
  • Epibromohydrin, (+/-)-

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
Liquidexp.
Melting point
-40 °Cexp.
Boiling point
137 °Cexp.
Density
1.615 g/cm³ at 14 °Cexp.
Flash point
56.1 °Cexp.
Solubility
Soluble in ether, benzene, chloroform and ethanolexp.

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
136.98 g/molcalc.
Exact mass
135.9524 Dacalc.
LogP (octanol/water)
0.78calc.
Topological polar surface area
12.53 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
1calc.
Heavy atoms
5calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C1CO1

C1CO1

1 ring, 3 atoms, the Ethylene oxide ring system.

3,057 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H226Flammable liquid and vapour.
  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
  • H351Suspected of causing cancer.
Precautionary statements (30)
  • 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.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • 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.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • 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.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • 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.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • 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 2558
Transport hazard class
6.1
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

Epibromohydrin suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 8 suppliers
8 of 8 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

8 suppliers in 4 countries

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Epibromohydrin 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

Used for cross-linking polymers.

Sporicide (Former).

Flame retardant.

Roles

  • aetiopathogenetic role
  • genotoxin
  • mutagen

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce, Regulatory flags: Significant new use rule

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2910.90Indicative HS code

Epoxides with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives…

World exports in 2024
$467M
−2.9% vs 2023, imports $501M
2019 to 2024
Top exporters
  1. Netherlands24.5%
  2. China19.7%
  3. Japan18.8%
Top importers
  1. United States17.6%
  2. Germany16.3%
  3. China10.8%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Epibromohydrin, based on the data on this page

What is Epibromohydrin?

Epibromohydrin is an epoxide that is oxirane substituted by a bromomethyl group at position 2. It has a role as a mutagen. It is an epoxide and an organobromine compound. It is functionally related to a 1,2-epoxypropane.

What is the CAS number of Epibromohydrin?

The CAS registry number of Epibromohydrin is 3132-64-7. Other or deprecated CAS numbers: 27815-35-6, 51594-57-1.

What is the molecular formula and weight of Epibromohydrin?

The molecular formula of Epibromohydrin is C3H5BrO and its molar mass is 136.98 g/mol.

What is Epibromohydrin used for?

Used for cross-linking polymers. Sporicide (Former). Flame retardant.

Is Epibromohydrin hazardous?

Epibromohydrin carries the GHS signal word "Warning". Main hazards: flammable liquid and vapour, harmful if swallowed, causes skin irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Epibromohydrin?

Epibromohydrin is usually classified under HS code 291090 (Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Epibromohydrin?

CompoundList lists 8 suppliers of Epibromohydrin in China, United States, India and Ukraine. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Epibromohydrin in India?

1 supplier in India list Epibromohydrin on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Epibromohydrin?

Suppliers quote Epibromohydrin on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Epibromohydrin

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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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