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1-Methyl-1H-1,2,3-triazole-5-carboxylic acid

1-甲基-1H-1,2,3-三唑-5-羧酸

Also known as: 1-Methyl-1H-1,2,3-triazole-5-carboxylic acid, 3-Methyl-3H-1,2,3-triazole-4-carboxylic acid, 3-methyltriazole-4-carboxylic acid, 1H-1,2,3-Triazole-5-carboxylic acid, 1-methyl-

1-Methyl-1H-1,2,3-triazole-5-carboxylic acid (CAS 716361-91-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H5N3O2 and a molecular weight of 127.101 g/mol. It is also known as 3-Methyl-3H-1,2,3-triazole-4-carboxylic acid, 3-methyltriazole-4-carboxylic acid and 1H-1,2,3-Triazole-5-carboxylic acid, 1-methyl-. Key properties include a boiling point of 350.7±34.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 165.9±25.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
716361-91-0
Jingsj CID
J-1480911-4
Molecular Formula
C4H5N3O2
Chinese Name
1-甲基-1H-1,2,3-三唑-5-羧酸
Molecular Weight
127.101 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point350.7±34.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point165.9±25.7 °C

Frequently Asked Questions

What is the CAS number of 1-Methyl-1H-1,2,3-triazole-5-carboxylic acid?

The CAS number of 1-Methyl-1H-1,2,3-triazole-5-carboxylic acid is 716361-91-0.

What are the molecular formula and molecular weight of 1-Methyl-1H-1,2,3-triazole-5-carboxylic acid?

1-Methyl-1H-1,2,3-triazole-5-carboxylic acid has molecular formula C4H5N3O2 and molecular weight 127.101 g/mol.

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

Last updated:

How to cite: Jingsj. "1-Methyl-1H-1,2,3-triazole-5-carboxylic acid (CAS 716361-91-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1480911-4 (accessed 2026-10-25).

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