3-Bromo-3-methylbut-1-yne

3-溴-3-甲基-1-丁炔

Also known as: 3-Bromo-3-methyl-but-1-yne, 3-bromo-3-methylbut-1-yne, 1-Butyne, 3-bromo-3-methyl-, 2-bromo-2-methyl-but-3-yne, 3-Brom-3-methyl-but-1-in, 3-broMo-3-Methyl-1-butyne, 3-Bromo-3-methyl-1-butyne

3-Bromo-3-methylbut-1-yne (CAS 6214-31-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H7Br and a molecular weight of 147.013 g/mol. It is also known as 3-Bromo-3-methyl-but-1-yne, 3-bromo-3-methylbut-1-yne and 1-Butyne, 3-bromo-3-methyl-. Key properties include a boiling point of 123.8±13.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 33.3±14.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6214-31-9
Jingsj CID
J-892025-6
Molecular Formula
C5H7Br
Chinese Name
3-溴-3-甲基-1-丁炔
Molecular Weight
147.013 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point123.8±13.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point33.3±14.3 °C

Frequently Asked Questions

What is the CAS number of 3-Bromo-3-methylbut-1-yne?

The CAS number of 3-Bromo-3-methylbut-1-yne is 6214-31-9.

What are the molecular formula and molecular weight of 3-Bromo-3-methylbut-1-yne?

3-Bromo-3-methylbut-1-yne has molecular formula C5H7Br and molecular weight 147.013 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3-Bromo-3-methylbut-1-yne (CAS 6214-31-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-892025-6 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.