Phenacyl bromide

Names
Preferred IUPAC name 2-Bromo-1-phenylethan-1-one
Other names 2-Bromo-1-phenylethanone 2-Bromoacetophenone α-Bromoacetophenone Bromomethyl phenyl ketone
Identifiers
CAS Number	70-11-1 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:51846 Y
ChEMBL	ChEMBL102953 Y
ChemSpider	6023 Y
ECHA InfoCard	100.000.659
PubChem CID	6259
UNII	754Y0U325I Y
CompTox Dashboard (EPA)	DTXSID2049426
InChI InChI=1S/C8H7BrO/c9-6-8(10)7-4-2-1-3-5-7/h1-5H,6H2 Y Key: LIGACIXOYTUXAW-UHFFFAOYSA-N Y InChI=1/C8H7BrO/c9-6-8(10)7-4-2-1-3-5-7/h1-5H,6H2 Key: LIGACIXOYTUXAW-UHFFFAOYAV
SMILES O=C(c1ccccc1)CBr
Properties
Chemical formula	C8H7BrO
Molar mass	199.047 g·mol−1
Appearance	Colorless solid
Melting point	50 °C (122 °F; 323 K)[1]
Boiling point	136 °C (277 °F; 409 K) 18 mm Hg[1]
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	Toxic(T)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

Phenacyl bromide is the organic compound with the formula C₆H₅C(O)CH₂Br. This colourless solid is a powerful lachrymator as well as a useful precursor to other organic compounds.

It is prepared by bromination of acetophenone:^[2]

C₆H₅C(O)CH₃ + Br₂ → C₆H₅C(O)CH₂Br + HBr

The compound was first reported in 1871.^[3]