Melting point :37.22°C (estimate)
Boiling point :142-143 °C(lit.)
Density :0.918 g/mL at 25 °C(lit.)
vapor density :3.9 (vs air)
vapor pressure :65 hPa (50 °C)
refractive index :n20/D 1.424(lit.)
FEMA :3486 | ETHYL TRANS-2-BUTENOATE
Flash point :36 °F
storage temp. :Store below +30°C.
solubility :Chloroform (Slightly), Ethyl Acetate (Slightly)
form :Liquid
color :Clear colorless
Odor :at 10.00 % in dipropylene glycol. pungent chemical diffusive sweet alliaceous caramel rum
Odor Type :fermented
Water Solubility :INSOLUBLE
JECFA Number :1806
Merck :14,2597
BRN :635834
Dielectric constant :5.4（20℃）
Stability :Stable. Highly flammable. Incompatible with strong oxidizing agents.
InChIKey :ZFDIRQKJPRINOQ-HWKANZROSA-N
LogP :1.85
CAS DataBase Reference :623-70-1(CAS DataBase Reference)
NIST Chemistry Reference :2-Butenoic acid, ethyl ester, (E)-(623-70-1)
EPA Substance Registry System :2-Butenoic acid, ethyl ester, (2E)- (623-70-1)

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 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. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P242 Use only non-sparking tools. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.