Melting point :-70 °C
Boiling point :194-195 °C737 mm Hg(lit.)
Density :1.037 g/mL at 25 °C(lit.)
vapor pressure :0.2 hPa (20 °C)
refractive index :n20/D 1.439(lit.)
Flash point :75 °C
storage temp. :Sealed in dry,2-8°C
solubility :48g/l
form :clear liquid
pka :10.53±0.46(Predicted)
color :Colorless to Light yellow to Light orange
PH :3.7 (48g/l, H2O, 20℃)
explosive limit :1.15%(V)
Water Solubility :50 g/L (20 ºC)
Sensitive :Air Sensitive
BRN :1758569
LogP :0.146 at 27℃
CAS DataBase Reference :1118-84-9(CAS DataBase Reference)
NIST Chemistry Reference :Butanoic acid, 3-oxo-, 2-propenyl ester(1118-84-9)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H227 Combustible liquid Flammable liquids Category 4 Warning P210, P280, P370+P378, P403+P235,P501 H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P312 Call a POISON CENTER or doctor/physician if you feel unwell. P370+P378 In case of fire: Use … for extinction. P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up. P501 Dispose of contents/container to..…