4-Bromocrotonic acid
(E)-4-溴-2-丁烯酸
Also known as: (E)-4-Bromocrotonic acid, trans-4-Bromo-2-butenoic acid, (2E)-4-Bromo-2-butenoic acid, (E)-4-bromobut-2-enoic acid, 4-Bromobut-2-enoic acid, gamma-Bromocrotonic acid, Remimazolam Impurity 4
- CAS No.
- 13991-36-1
- Jingsj CID
- J-3312-9
- Molecular Formula
- C4H5BrO2
- Chinese Name
- (E)-4-溴-2-丁烯酸
- Molecular Weight
- 164.985 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 74ºC |
|---|---|
| Boiling Point | 287.6±23.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 127.7±22.6 °C |
Frequently Asked Questions
What is the CAS number of 4-Bromocrotonic acid?
13991-36-1
What are the molecular formula and molecular weight of 4-Bromocrotonic acid?
C4H5BrO2, molecular weight 164.985 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026