3-bromo-1-butene
Also known as: 1-Butene, 3-bromo-, 1-Methallylbromide, 1-Methyl-2-propenyl bromide, 1-Methylallyl bromide, 2-bromo-but-3-ene, 3-bromo-but-1-ene, 3-bromobut-1-ene, a-Methallyl bromide, but-2-enyl bromide, methallyl bromide, methylallyl bromide
3-bromo-1-butene (CAS 22037-73-6) 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 88.7ºC at 760mmHg, a density of 1.307g/cm3 and a flash point of 7.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 22037-73-6
- Jingsj CID
- J-1030340-9
- 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 | 88.7ºC at 760mmHg |
|---|---|
| Density | 1.307g/cm3 |
| Flash Point | 7.2ºC |
| Exact Mass | 133.97300 |
| LogP | 1.95580 |
| Vapor Pressure | 68.2mmHg at 25°C |
| Refractive Index | 1.454 |
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 3-bromo-1-butene?
The CAS number of 3-bromo-1-butene is 22037-73-6.
What are the molecular formula and molecular weight of 3-bromo-1-butene?
3-bromo-1-butene has molecular formula C4H7Br and molecular weight 135.00200 g/mol.
What are the upstream and downstream products of 3-bromo-1-butene?
For 3-bromo-1-butene, Upstream Products: butadiene, 3-Buten-2-ol, 1-Butene; Downstream Products: Crotyl Bromide, 1-Butene, cis-2-butene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-bromo-1-butene (CAS 22037-73-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1030340-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.