Melting point :-65°C
Boiling point :85-86 °C(lit.)
Density :0.923 g/mL at 20 °C(lit.)
refractive index :n20/D 1.430
Flash point :-12°C
storage temp. :0-6°C
solubility :water: soluble14g/L at 20°C
form :clear liquid
color :Colorless to Light yellow
Water Solubility :999mg/L(temperature not stated)
Merck :14,2130
BRN :605304
Stability :Stable. Highly flammable. Incompatible with strong oxidizing agents.
CAS DataBase Reference :591-97-9(CAS DataBase Reference)
NIST Chemistry Reference :2-Butene, 1-chloro-(591-97-9)
EPA Substance Registry System :2-Butene, 1-chloro- (591-97-9)

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 H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.