2-Butenoic acid,4-bromo-, ethyl ester, (2E)- cas no:37746-78-4
Synonyms: 2-Butenoicacid, 4-bromo-, ethyl ester, (E)-;(2E)-4-Bromo-2-butenoic acid ethyl ester;(E)-4-Bromo-2-butenoic acid ethyl ester;(E)-4-Bromobut-2-enoic acid ethylester;(E)-Ethyl 4-bromocrotonate;Ethyl (E)-4-bromo-2-butenoate;Ethyl(E)-4-bromobutenoate;Ethyl 4-bromo-2-(E)-butenoate;Ethyl bromocrotonate;trans-Ethyl g-bromocrotonate;Ethyl-4-Bromo Crotonate;
Name2-Butenoic acid,4-bromo-, ethyl ester, (2E)-
CAS37746-78-4
Synonyms2-Butenoicacid, 4-bromo-, ethyl ester, (E)-;(2E)-4-Bromo-2-butenoic acid ethyl ester;(E)-4-Bromo-2-butenoic acid ethyl ester;(E)-4-Bromobut-2-enoic acid ethylester;(E)-Ethyl 4-bromocrotonate;Ethyl (E)-4-bromo-2-butenoate;Ethyl(E)-4-bromobutenoate;Ethyl 4-bromo-2-(E)-butenoate;Ethyl bromocrotonate;trans-Ethyl g-bromocrotonate;Ethyl-4-Bromo Crotonate;
EINECS(EC#)227-996-1
Molecular FormulaC6H9BrO2
Molecular Weight193.04
AppearanceColorless pure liquid
refractive index1.49-1.494
storage temp2-8°C
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass8
Hazard Xi:Irritant;
Risk R36/37/38
Safety
Hazard Codes: 
C ,
Xi
Risk Statements: 34-36/37/38
R34: Causes burns.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39-45-24/25
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S24/25: Avoid contact with skin and eyes.
RIDADR: UN 3265 8/PG 2
WGK Germany: 3
F: 10-19-23
HazardClass: 8
PackingGroup: III
