3-Bromo-1H-1,2,4-triazole

3-溴-1H-1,2,4-三氮唑

Also known as: 5-Bromo-1H-1,2,4-triazole, 3-Bromo-4H-1,2,4-triazole, 3-bromo-2H-1,2,4-triazole, 1H-1,2,4-Triazole, 3-bromo-, 1H-1,2,4-Triazole, 5-bromo-, 4H-1,2,4-triazole, 3-bromo-

3-Bromo-1H-1,2,4-triazole (CAS 7343-33-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C2H2BrN3 and a molecular weight of 147.961 g/mol. It is also known as 5-Bromo-1H-1,2,4-triazole, 3-Bromo-4H-1,2,4-triazole and 3-bromo-2H-1,2,4-triazole. Key properties include a boiling point of 295.4±23.0 °C at 760 mmHg, a density of 2.1±0.1 g/cm3 and a flash point of 132.5±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7343-33-1
Jingsj CID
J-1391207-3
Molecular Formula
C2H2BrN3
Chinese Name
3-溴-1H-1,2,4-三氮唑
Molecular Weight
147.961 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point295.4±23.0 °C at 760 mmHg
Density2.1±0.1 g/cm3
Flash Point132.5±22.6 °C

Frequently Asked Questions

What is the CAS number of 3-Bromo-1H-1,2,4-triazole?

The CAS number of 3-Bromo-1H-1,2,4-triazole is 7343-33-1.

What are the molecular formula and molecular weight of 3-Bromo-1H-1,2,4-triazole?

3-Bromo-1H-1,2,4-triazole has molecular formula C2H2BrN3 and molecular weight 147.961 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-1H-1,2,4-triazole (CAS 7343-33-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1391207-3 (accessed 2026-10-25).

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