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

3-苯基-1H-1,2,4-三唑

Also known as: 3-phenyl-2H-1,2,4-triazole, 3-Phenyl-4H-1,2,4-triazole, 1H-1,2,4-Triazole, 5-phenyl-, 5-Phenyl-1H-1,2,4-triazole, 2-Fenil-1,3,4-triazolo [Italian], S-Triazole, 3-phenyl-, 3-Phenyl-1h-1,2,4-triazole

3-Phenyl-1H-1,2,4-triazole (CAS 3357-42-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H7N3 and a molecular weight of 145.16100 g/mol. It is also known as 3-phenyl-2H-1,2,4-triazole, 3-Phenyl-4H-1,2,4-triazole and 1H-1,2,4-Triazole, 5-phenyl-. Key properties include a melting point of 177 °C, a boiling point of 332.7ºC at 760mmHg, a density of 1.214g/cm3 and a flash point of 161.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3357-42-4
Jingsj CID
J-1506704-3
Molecular Formula
C8H7N3
Chinese Name
3-苯基-1H-1,2,4-三唑
Molecular Weight
145.16100 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point177 °C
Boiling Point332.7ºC at 760mmHg
Density1.214g/cm3
Flash Point161.3ºC

Frequently Asked Questions

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

The CAS number of 3-Phenyl-1H-1,2,4-triazole is 3357-42-4.

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

3-Phenyl-1H-1,2,4-triazole has molecular formula C8H7N3 and molecular weight 145.16100 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Phenyl-1H-1,2,4-triazole (CAS 3357-42-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506704-3 (accessed 2026-10-22).

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