3-Bromo-1-butyne

3-溴-1-丁炔

Also known as: 3-Bromobut-1-yne, 1-Butyne, 3-bromo-, 2-Bromo-3-butyne, 1-Methylpropargyl bromide, 3-Bromobutyne

3-Bromo-1-butyne (CAS 18868-72-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H5Br and a molecular weight of 132.98600 g/mol. It is also known as 3-Bromobut-1-yne, 1-Butyne, 3-bromo- and 2-Bromo-3-butyne. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18868-72-9
Jingsj CID
J-1570392-7
Molecular Formula
C4H5Br
Chinese Name
3-溴-1-丁炔
Molecular Weight
132.98600 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of 3-Bromo-1-butyne?

The CAS number of 3-Bromo-1-butyne is 18868-72-9.

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

3-Bromo-1-butyne has molecular formula C4H5Br and molecular weight 132.98600 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-1-butyne (CAS 18868-72-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1570392-7 (accessed 2026-10-25).

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