Bromoacetic acid

Bromoacetic acid

Names
Preferred IUPAC name Bromoacetic acid
Other names 2-Bromoacetic acid Bromoethanoic acid α-Bromoacetic acid Monobromoacetic acid Carboxymethyl bromide UN 1938
Identifiers
CAS Number	79-08-3
3D model (JSmol)	Interactive image Interactive image
Beilstein Reference	506167
ChemSpider	10301338
ECHA InfoCard	100.001.069
EC Number	201-175-8
PubChem CID	6227
RTECS number	AF5950000
InChI InChI=1S/C2H3BrO2/c3-1-2(4)5/h1H2,(H,4,5) Key: KDPAWGWELVVRCH-UHFFFAOYSA-N InChI=1/C2H3BrO2/c3-1-2(4)5/h1H2,(H,4,5) Key: KDPAWGWELVVRCH-UHFFFAOYAM
SMILES C(C(=O)O)Br BrCC(O)=O
Properties
Chemical formula	C2H3BrO2
Molar mass	138.95 g·mol−1
Appearance	White to light yellow crystalline solid
Density	1.934 g/mL
Melting point	49 to 51 °C (120 to 124 °F; 322 to 324 K)
Boiling point	206 to 208 °C (403 to 406 °F; 479 to 481 K)
Solubility in water	polar organic solvents
Acidity (pKa)	2.86
Refractive index (nD)	1.4804 (50 °C, D)
Structure
Crystal structure	Hexagonal or orthorhombic
Hazards
Main hazards	Toxic (T), Corrosive (C)
R-phrases (outdated)	R23/24/25, R36
S-phrases (outdated)	S36/37/39, S45
NFPA 704	1 3 0
Flash point	110 °C (230 °F; 383 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Bromoacetic acid is the chemical compound with the formula CH₂BrCO₂H. This colorless solid is a relatively strong alkylating agent. Bromoacetic acid and its esters are widely used building blocks in organic synthesis, for example in pharmaceutical chemistry.

The compound is prepared by bromination of acetic acid.

It can also be prepared by the Hell-Volhard-Zelinsky process: