4-Bromo-1-butyne
4-溴正丁炔
Also known as: 1-Bromo-3-butyne, 3-Butynyl bromide, 4-Bromobut-1-yne, Homopropargyl bromide
- CAS No.
- 38771-21-0
- Jingsj CID
- J-1624025-0
- Molecular Formula
- C4H5Br
- Chinese Name
- 4-溴正丁炔
- Molecular Weight
- 132.986 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Boiling Point | 118.3±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 32.3±17.0 °C |
Frequently Asked Questions
What is the CAS number of 4-Bromo-1-butyne?
38771-21-0
What are the molecular formula and molecular weight of 4-Bromo-1-butyne?
C4H5Br, molecular weight 132.986 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026