Melting point :-115.07°C (estimate)
Boiling point :98-100 °C (lit.)
Density :1.33 g/mL at 25 °C (lit.)
refractive index :n20/D 1.462(lit.)
Flash point :49 °F
storage temp. :Store below +30°C.
solubility :0.76g/l
form :Liquid
Specific Gravity :1.330
color :Clear colorless to light brownish
Water Solubility :Miscible with water, benzene, ether and ethanol.
Sensitive :Light Sensitive
BRN :1098377
Stability :Stable. Incompatible with strong bases, strong oxidizing agents. Highly flammable. Light sensitive.
InChIKey :DMAYBPBPEUFIHJ-UHFFFAOYSA-N
CAS DataBase Reference :5162-44-7(CAS DataBase Reference)
NIST Chemistry Reference :1-Butene, 4-bromo-(5162-44-7)
EPA Substance Registry System :1-Butene, 4-bromo- (5162-44-7)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.