1-bromo-1-butene
Also known as: 1-Bromo-1-butene (cis - trans), 1-BROMO-1-BUTENE, 1-BROMO-1-BUTENE MIXTURE OF ISOMERS, 1-Brom-but-1-en, 1-Butene, 1-bromo-, 1-bromo-1-buten, 1-bromobut-1-ene, butenyl bromide, 1-butenyl bromide, EINECS 250-836-7
1-bromo-1-butene (CAS 31844-98-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H7Br and a molecular weight of 135.00200 g/mol. Key properties include a boiling point of 94.7ºC at 760 mmHg, a density of 1.331 g/cm3 and a flash point of 14.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 31844-98-1
- Jingsj CID
- J-1097358-7
- Molecular Formula
- C4H7Br
- Molecular Weight
- 135.00200 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 94.7ºC at 760 mmHg |
|---|---|
| Density | 1.331 g/cm3 |
| Flash Point | 14.5ºC |
| Exact Mass | 133.97300 |
| LogP | 2.30500 |
| Refractive Index | 1.471 |
Customs & Trade Information
| HS Code | 2903399090 |
|---|---|
| Summary | 2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1-bromo-1-butene?
The CAS number of 1-bromo-1-butene is 31844-98-1.
What are the molecular formula and molecular weight of 1-bromo-1-butene?
1-bromo-1-butene has molecular formula C4H7Br and molecular weight 135.00200 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-bromo-1-butene (CAS 31844-98-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1097358-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.