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37746-78-4

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Identification

Name
Ethyl 4-bromocrotonate
CAS
37746-78-4
Synonyms
4-BROMOCROTONIC ACID ETHYL ESTER
ETHYL 4-BROMOCROTONATE
ETHYL TRANS-4-BROMO-2-BUTENOATE
TRANS-ETHYL-4-BROMOCROTONATE
Ethyl (2E)-4-bromo-2-butenoate
Ethyl (E)-4-bromo-2-butenoate
Ethyl gamma-bromocrotonate
Ethylbromocrotonatepract
ETHYL 4-BROMOCROTONATE, TECH., 75%
Ethyl 4-bromocrotonate, pract., 85%
2-Butenoic acid, 4-bromo-, ethyl ester, (2E)-
ETHYL 4-BROMOCROTONATE (4-BROMOCROTONIC ACID ETHYL ESTER)
4-bromo-trans-crotonic acid ethyl ester
trans-Ethyl-4-bromocrotonate, 97 %
(2E)-4-Bromo-2-butenoic acid ethyl ester
Ethyl (E)-4-bromobut-2-enoate
Ethyl 4-bromo-2-(E)-butenoate
Ethyl 4-bromocrotonate, 75%, tech.
Molecular Formula
C6H9BrO2
MDL Number
MFCD00000247
Molecular Weight
193.04
MOL File
37746-78-4.mol

Chemical Properties

Appearance
clear yellow liquid
bp 
94-95 °C12 mm Hg(lit.)

density 
1.402 g/mL at 25 °C(lit.)

refractive index 
n20/D 1.493(lit.)

Fp 
207 °F

storage temp. 
2-8°C

BRN 
1721388
CAS DataBase Reference
37746-78-4(CAS DataBase Reference)
NIST Chemistry Reference
2-Butenoic acid, 4-bromo-, ethyl ester, (E)-(37746-78-4)

Safety Data

Hazard Codes 
C,Xi
Risk Statements 
R34:Causes burns.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
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 label where possible) .
S24/25:Avoid contact with skin and eyes .
RIDADR 
UN 3265 8/PG 2

WGK Germany 
3


10-19-23
HazardClass 
8
PackingGroup 
III
HS Code 
29161995

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