Melting point :-4°C
Boiling point :177 °C (lit.)
Density :1.321 g/mL at 25 °C (lit.)
refractive index :n20/D 1.447(lit.)
Flash point :137 °F
storage temp. :2-8°C
form :clear liquid
color :Colorless to Almost colorless
Water Solubility :Insoluble in water. Miscible with alcohol and ether
Sensitive :Light Sensitive
Merck :14,1413
BRN :969841
Dielectric constant :8.0（20℃）
InChIKey :XIMFCGSNSKXPBO-UHFFFAOYSA-N
CAS DataBase Reference :533-68-6(CAS DataBase Reference)
NIST Chemistry Reference :Butanoic acid, 2-bromo-, ethyl ester(533-68-6)
EPA Substance Registry System :Ethyl 2-bromobutyrate (533-68-6)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.