Acetyl bromide

Acetyl bromide
	IUPAC name Acetyl bromide
Identifiers
CAS number	506-96-7
PubChem	10482
ChemSpider	10050
Jmol-3D images	Image 1; Image 2
	SMILES CC(=O)Br BrC(=O)C ;
	InChI InChI=1S/C2H3BrO/c1-2(3)4/h1H3 ; Key: FXXACINHVKSMDR-UHFFFAOYSA-N InChI=1/C2H3BrO/c1-2(3)4/h1H3; Key: FXXACINHVKSMDR-UHFFFAOYAZ ;
Properties
Molecular formula	C2H3BrO
Molar mass	122.95 g/mol
Density	1.663 g/mL
Melting point	-96 °C, 177 K, -141 °F
Boiling point	75-77 °C
Hazards
MSDS	ILO MSDS
EU classification	C
R-phrases	R14 R34
S-phrases	S26 S36/37/39 S45
	(verify) (what is: /?); Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
	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

[edit] References

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