Ethyl 3-phenyl-1H-1,2,4-triazole-5-carboxylate

3-苯基-1H-1,2,4-三唑-5-甲酸乙酯

Also known as: 5-Phenyl-1H-1,2,4-triazole-3-carboxylic acid ethyl ester, Ethyl 5-phenyl-1H-1,2,4-triazole-3-carboxylate, 1H-1,2,4-Triazole-5-carboxylic acid, 3-phenyl-, ethyl ester, 5-Phenyl-4H-1,2,4-triazole-3-carboxylate ethyl ester, 3-Phenyl-1,2,4-triazol-5-carbonsäureethylester

Ethyl 3-phenyl-1H-1,2,4-triazole-5-carboxylate (CAS 31197-17-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H11N3O2 and a molecular weight of 217.22400 g/mol. It is also known as 5-Phenyl-1H-1,2,4-triazole-3-carboxylic acid ethyl ester, Ethyl 5-phenyl-1H-1,2,4-triazole-3-carboxylate and 1H-1,2,4-Triazole-5-carboxylic acid, 3-phenyl-, ethyl ester. Key properties include a boiling point of 405.4ºC at 760 mmHg, a density of 1.196g/cm3 and a flash point of 199ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
31197-17-8
Jingsj CID
J-988398-5
Molecular Formula
C11H11N3O2
Chinese Name
3-苯基-1H-1,2,4-三唑-5-甲酸乙酯
Molecular Weight
217.22400 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point405.4ºC at 760 mmHg
Density1.196g/cm3
Flash Point199ºC

Frequently Asked Questions

What is the CAS number of Ethyl 3-phenyl-1H-1,2,4-triazole-5-carboxylate?

The CAS number of Ethyl 3-phenyl-1H-1,2,4-triazole-5-carboxylate is 31197-17-8.

What are the molecular formula and molecular weight of Ethyl 3-phenyl-1H-1,2,4-triazole-5-carboxylate?

Ethyl 3-phenyl-1H-1,2,4-triazole-5-carboxylate has molecular formula C11H11N3O2 and molecular weight 217.22400 g/mol.

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

Last updated:

How to cite: Jingsj. "Ethyl 3-phenyl-1H-1,2,4-triazole-5-carboxylate (CAS 31197-17-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-988398-5 (accessed 2026-10-24).

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