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2-phenyl-2H-1,2,3-triazole-4-carboxylic acid

2-苯基-2H-1,2,3-三唑-4-羧酸

Also known as: 2-phenyl-1,2,3-triazole-4-carboxylic acid, 2-phenyl-4-triazolecarboxylic acid, 2-phenyltriazole-4-carboxylic acid, 2-phenyl-1,2,3-triazol-4-ylcarboxylic acid, 2H-1,2,3-triazole-4-carboxylic acid, 2-phenyl-

2-phenyl-2H-1,2,3-triazole-4-carboxylic acid (CAS 13306-99-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H7N3O2 and a molecular weight of 189.17100 g/mol. It is also known as 2-phenyl-1,2,3-triazole-4-carboxylic acid, 2-phenyl-4-triazolecarboxylic acid and 2-phenyltriazole-4-carboxylic acid. Key properties include a boiling point of 433ºC at 760 mmHg, a density of 1.39 g/cm3 and a flash point of 215.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13306-99-5
Jingsj CID
J-1492861-1
Molecular Formula
C9H7N3O2
Chinese Name
2-苯基-2H-1,2,3-三唑-4-羧酸
Molecular Weight
189.17100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point433ºC at 760 mmHg
Density1.39 g/cm3
Flash Point215.7ºC

Frequently Asked Questions

What is the CAS number of 2-phenyl-2H-1,2,3-triazole-4-carboxylic acid?

The CAS number of 2-phenyl-2H-1,2,3-triazole-4-carboxylic acid is 13306-99-5.

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

2-phenyl-2H-1,2,3-triazole-4-carboxylic acid has molecular formula C9H7N3O2 and molecular weight 189.17100 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-1,2,3-triazole-4-carboxylic acid (CAS 13306-99-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492861-1 (accessed 2026-10-25).

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