Melting point :72-74 °C
Boiling point :120-123 °C(lit.)
Density :1.091 g/mL at 25 °C(lit.)
refractive index :n20/D 1.459(lit.)
Flash point :95 °F
storage temp. :2-8°C
form :Liquid
color :Clear colorless to brown
Water Solubility :Reacts with water.
Sensitive :Moisture Sensitive
BRN :506118
InChIKey :RJUIDDKTATZJFE-NSCUHMNNSA-N
CAS DataBase Reference :625-35-4(CAS DataBase Reference)
NIST Chemistry Reference :2-Butenoyl chloride, (E)-(625-35-4)

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 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 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. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. 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.