Melting point :94-97 °C(lit.)
Boiling point :267.77°C (rough estimate)
Density :1.1958 (rough estimate)
refractive index :1.5036 (estimate)
storage temp. :2-8°C
pka :3.43±0.10(Predicted)
Water Solubility :Insoluble in water.
BRN :1817876
CAS DataBase Reference :583-06-2(CAS DataBase Reference)
EPA Substance Registry System :2-Butenoic acid, 4-oxo-4-phenyl- (583-06-2)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,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 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P309 IF exposed or if you feel unwell: P310 Immediately call a POISON CENTER or doctor/physician.