2-Phenyl-2H-benzotriazole

2-苯基-2H-苯并三唑

Also known as: 2-Phenyl-2H-1,2,3-benzotriazole, 2-Phenyl-2H-benzotriazol, 2-phenyl-2H-benzo[d][1,2,3]triazole, 2-phenylbenzotriazole, 2H-Benzotriazole, 2-phenyl-

2-Phenyl-2H-benzotriazole (CAS 1916-72-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H9N3 and a molecular weight of 195.22000 g/mol. It is also known as 2-Phenyl-2H-1,2,3-benzotriazole, 2-Phenyl-2H-benzotriazol and 2-phenyl-2H-benzo[d][1,2,3]triazole. Key properties include a boiling point of 359.3ºC at 760mmHg, a density of 1.21g/cm3 and a flash point of 171.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1916-72-9
Jingsj CID
J-1083090-1
Molecular Formula
C12H9N3
Chinese Name
2-苯基-2H-苯并三唑
Molecular Weight
195.22000 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point359.3ºC at 760mmHg
Density1.21g/cm3
Flash Point171.1ºC

Frequently Asked Questions

What is the CAS number of 2-Phenyl-2H-benzotriazole?

The CAS number of 2-Phenyl-2H-benzotriazole is 1916-72-9.

What are the molecular formula and molecular weight of 2-Phenyl-2H-benzotriazole?

2-Phenyl-2H-benzotriazole has molecular formula C12H9N3 and molecular weight 195.22000 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Phenyl-2H-benzotriazole (CAS 1916-72-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1083090-1 (accessed 2026-10-22).

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