Ethyl 4-bromocrotonate
Also known as: Ethyl (E)-4-bromo-2-butenoate, Ethyl (2E)-4-bromo-2-butenoate, Ethyl trans-4-bromo-2-butenoate, 4-Bromocrotonic acid ethyl ester, Ethyl gamma-bromocrotonate, 2-Butenoic acid, 4-bromo-, ethyl ester, (E)-
Ethyl 4-bromocrotonate (CAS 37746-78-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H9BrO2 and a molecular weight of 193.038 g/mol. Key properties include a boiling point of 213.9±0.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 76.7±22.6 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 37746-78-4
- Jingsj CID
- J-45503-8
- Molecular Formula
- C6H9BrO2
- Molecular Weight
- 193.038 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 213.9±0.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 76.7±22.6 °C |
| Exact Mass | 191.978592 |
| PSA | 26.30000 |
| LogP | 2.16 |
| Vapor Pressure | 0.2±0.4 mmHg at 25°C |
| Refractive Index | 1.484 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| 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% |
Frequently Asked Questions
What is the CAS number of Ethyl 4-bromocrotonate?
The CAS number of Ethyl 4-bromocrotonate is 37746-78-4.
What are the molecular formula and molecular weight of Ethyl 4-bromocrotonate?
Ethyl 4-bromocrotonate has molecular formula C6H9BrO2 and molecular weight 193.038 g/mol.
Is Ethyl 4-bromocrotonate hazardous?
Ethyl 4-bromocrotonate has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Ethyl 4-bromocrotonate?
For Ethyl 4-bromocrotonate, Upstream Products: Ethyl crotonate, Ethyl 3-butenoate, Ethyl (triphenylphosphoranylidene)acetate; Downstream Products: ethyl 2-(morpholin-2-yl)acetate, Methyl bromodifluoroacetate, ethyl 2-(4-benzylmorpholin-2-yl)acetate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl 4-bromocrotonate (CAS 37746-78-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45503-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.