Methyl 2-bromo-2-butenoate
Also known as: METHYL 2-BROMOCROTONATE, METHYL α-BROMOCROTONATE, 2-Bromo-2-butenoic acid methyl ester, Methyl 2-bromo-2-butenoate (cis+trans), Einecs 241-627-1, methyl 2-bromobut-2-enoate, trans-2-Bromcrotonsaeure-methylester
Methyl 2-bromo-2-butenoate (CAS 17642-18-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H7BrO2 and a molecular weight of 179.01200 g/mol. Key properties include a boiling point of 165.8ºC at 760mmHg, a density of 1.477g/cm3 and a flash point of 54.1ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 17642-18-1
- Jingsj CID
- J-1096649-1
- Molecular Formula
- C5H7BrO2
- Molecular Weight
- 179.01200 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 165.8ºC at 760mmHg |
|---|---|
| Density | 1.477g/cm3 |
| Flash Point | 54.1ºC |
| Exact Mass | 177.96300 |
| PSA | 26.30000 |
| LogP | 1.45810 |
| Vapor Pressure | 1.84mmHg at 25°C |
| Refractive Index | n20/D 1.486 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 Methyl 2-bromo-2-butenoate?
The CAS number of Methyl 2-bromo-2-butenoate is 17642-18-1.
What are the molecular formula and molecular weight of Methyl 2-bromo-2-butenoate?
Methyl 2-bromo-2-butenoate has molecular formula C5H7BrO2 and molecular weight 179.01200 g/mol.
Is Methyl 2-bromo-2-butenoate hazardous?
Methyl 2-bromo-2-butenoate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl 2-bromo-2-butenoate (CAS 17642-18-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1096649-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.