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Chlorinated and fluorinated solvents

Acetyl bromide

Also known as Ethanoyl bromide, Acetic acid, bromide, Acetylbromide

CAS 506-96-7Formula C2H3BrOMolar mass 122.95 g/molEC 208-061-7
GHS signal word: Danger. Pictograms: Corrosive 39 suppliers listed
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Acetyl bromide chemical structure, C2H3BrO, CAS 506-96-7
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Fuming liquid
Melting point
-95.5 °C
Boiling point
74 °C
Density
Vapor specific gravity: 4.24, Saturated vapor density: 0.04488 lb/cu ft at 70 °F
Flash point
110 °C
HS code
291590
Category
Chlorinated and fluorinated solvents
UN number
UN 1716
Illustrative photo, assorted laboratory chemical bottles and jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Acetyl bromide?

Plain description, key identifiers and synonyms

Acetyl bromide appears as a colorless fuming liquid with a pungent odor. Vapors irritate eyes and mucous membranes. Corrosive to metals and tissue. Density 13.9 lb / gal.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
acetyl bromide
CAS number
506-96-7 CAS number cross-checkedOther or deprecated CAS: 74787-38-5
EC numbers
208-061-7, 693-093-8
Molecular formula
C2H3BrO
UNII
O18V5XYO0G
MDL number
MFCD00000114
InChIKey
FXXACINHVKSMDR-UHFFFAOYSA-N
InChI
InChI=1S/C2H3BrO/c1-2(3)4/h1H3
SMILES (canonical and isomeric)
CC(=O)Br

Synonyms

  • Ethanoyl bromide
  • Acetic acid, bromide
  • Acetylbromide
  • CH3COBr
  • Acetyl bromide-2-13C
  • Acetyl bromide-1-13C
  • acetic acid bromide
  • AcBr
  • Acetyl bromide, 99%
  • Acetyl bromide, 99.0%
  • 4-02-00-00398 (Beilstein Handbook Reference)
  • UN 1716
  • Acetyl bromide [UN1716] [Corrosive]

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
Fuming liquidexp.
Odour
Sharp unpleasant odorexp.
Melting point
-95.5 °Cexp.
Boiling point
74 °Cexp.
Density
Vapor specific gravity: 4.24, Saturated vapor density: 0.04488 lb/cu ft at 70 °Fexp.
Flash point
110 °Cexp.
Solubility
Violently decomposed by water or alcoholexp.
Vapour pressure
122 mm Hg at 25 °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
122.95 g/molcalc.
Exact mass
121.9367 Dacalc.
LogP (octanol/water)
0.93calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
4calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
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
GHS05: Corrosive
Corrosive

Hazard statements

  • H314Causes severe skin burns and eye damage.
Precautionary statements (12)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • 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.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P363Wash contaminated clothing before reuse.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 1716
Transport hazard class
8
Packing group
II

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

Acetyl bromide suppliers

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

All 39 suppliers
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Where suppliers are based

39 suppliers in 11 countries

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Acetyl 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

Organic synthesis, dye manufacture.

How it is made

Prepared from phosphorus tribromide and glacial acetic acid or acetic anhydride...

Interaction of acetic acid and phosphorus pentabromide.

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 Acetyl bromide is traded under.

HS 2915.90Indicative HS code

Saturated acyclic monocarboxylic acids, anhydrides, halides, peroxides, peroxyacids and halogenated…

World exports in 2024
$3.42B
+5.6% vs 2023, imports $3.55B
2019 to 2024
Top exporters
  1. Indonesia15.9%
  2. Germany13.0%
  3. Malaysia12.4%
Top importers
  1. China14.4%
  2. Netherlands11.7%
  3. United States11.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Acetyl bromide?

Acetyl bromide appears as a colorless fuming liquid with a pungent odor. Vapors irritate eyes and mucous membranes. Corrosive to metals and tissue. Density 13.9 lb / gal.

What is the CAS number of Acetyl bromide?

The CAS registry number of Acetyl bromide is 506-96-7. Other or deprecated CAS numbers: 74787-38-5.

What is the molecular formula and weight of Acetyl bromide?

The molecular formula of Acetyl bromide is C2H3BrO and its molar mass is 122.95 g/mol.

What is Acetyl bromide used for?

Organic synthesis, dye manufacture.

Is Acetyl bromide hazardous?

Acetyl bromide carries the GHS signal word "Danger". Main hazards: causes severe skin burns and eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Acetyl bromide?

Acetyl bromide is usually classified under HS code 291590 (Saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Acetyl bromide?

CompoundList lists 39 suppliers of Acetyl bromide in India, China, United States, United Arab Emirates and 7 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Acetyl bromide in India?

22 suppliers in India list Acetyl 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 Acetyl bromide?

Suppliers quote Acetyl bromide 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 Acetyl 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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