4-bromocrotonic acid

Suppliers

Names

[ Name ]:
4-bromocrotonic acid

[Synonym ]:
4-BroMobut-2-enoic acid
2-Butenoic acid,4-bromo-,(E)
(E)-BrCH2CH=CHCO2H
(2E)-4-bromobut-2-enoic acid
trans-4-Bromo-2-butenoic Acid
4-Bromocrotonic Acid
bromocrotonic acid
(2E)-4-Bromo-2-butenoic acid
(E)-4-bromocrotonic acid
2-Butenoic acid, 4-bromo-, (2E)-
4-bromo crotonic acid
(E)-4-Bromo-2-butenoic acid
2-Butenoic acid,4-bromo-, (2E)-

Chemical & Physical Properties

[ Density]:
1.7±0.1 g/cm3

[ Boiling Point ]:
287.6±23.0 °C at 760 mmHg

[ Melting Point ]:
74ºC

[ Molecular Formula ]:
C₄H₅BrO₂

[ Molecular Weight ]:
164.985

[ Flash Point ]:
127.7±22.6 °C

[ Exact Mass ]:
163.947281

[ PSA ]:
37.30000

[ LogP ]:
1.12

[ Vapour Pressure ]:
0.0±1.3 mmHg at 25°C

[ Index of Refraction ]:
1.536

[ Storage condition ]:
Refrigerator

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
C

[ Risk Phrases ]:
R34

[ Safety Phrases ]:
S36/37/39

[ RIDADR ]:
UN 3261

[ Packaging Group ]:
III

[ HS Code ]:
2916190090

Synthetic Route

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Precursor & DownStream

Precursor

Crotonic acid
trans-4-chlorocrotonic acid
Methyl bromocrotonate
N-Bromosuccinimide
(E)-Ethyl 4-bromobut-2-enoate
Crotonic acid
3-Butenoic acid
trimethylsilyl 4-bromobut-2-enoate
2-Hydroxy-3-butenoicacid
Hydrogen bromide

DownStream

Customs

[ HS Code ]: 2916190090

[ Summary ]:
2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%