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Acetyl bromide information


Acetyl bromide[1]
Structural formula of acetyl bromide
Ball-and-stick model of acetyl bromide
Names
Preferred IUPAC name
Acetyl bromide
Identifiers
CAS Number
  • 506-96-7 ☒N
3D model (JSmol)
  • Interactive image
  • Interactive image
ChemSpider
  • 10050 checkY
ECHA InfoCard 100.007.329 Edit this at Wikidata
EC Number
  • 208-061-7
PubChem CID
  • 10482
RTECS number
  • AO5955000
UNII
  • O18V5XYO0G
UN number 1716
CompTox Dashboard (EPA)
  • DTXSID5060140 Edit this at Wikidata
InChI
  • InChI=1S/C2H3BrO/c1-2(3)4/h1H3 checkY
    Key: FXXACINHVKSMDR-UHFFFAOYSA-N checkY
  • InChI=1/C2H3BrO/c1-2(3)4/h1H3
    Key: FXXACINHVKSMDR-UHFFFAOYAZ
SMILES
  • CC(=O)Br
  • BrC(=O)C
Properties
Chemical formula
C2H3BrO
Molar mass 122.949 g·mol−1
Density 1.663 g/mL
Melting point −96 °C (−141 °F; 177 K)
Boiling point 75 to 77 °C (167 to 171 °F; 348 to 350 K)
Hazards
GHS labelling:
Pictograms
GHS05: Corrosive
Signal word
Danger
Hazard statements
H314
Precautionary statements
P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P405, P501
Flash point 110 °C (230 °F; 383 K)
Safety data sheet (SDS) ILO MSDS
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)
Infobox references

Acetyl bromide is an acyl bromide compound. As is expected, it may be prepared by reaction between phosphorus tribromide and acetic acid:[2]

3 CH3COOH + PBr3 → 3 CH3COBr + H3PO3

As usual for an acid halide, acetyl bromide hydrolyzes rapidly in water, forming acetic acid and hydrobromic acid. It also reacts with alcohols and amines to produce acetate esters and acetamides, respectively.

  1. ^ Acetyl bromide[permanent dead link] at Sigma-Aldrich
  2. ^ Theodore M. Burton and Ed. F. Degering (1940). "The Preparation of Acetyl Bromide". J. Am. Chem. Soc. 62: 227. doi:10.1021/ja01858a502.

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