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1-Ethyl-1H-imidazole-5-carboxylic acid

1-乙基-1H-咪唑-5-羧酸

Also known as: 1-Ethylimidazole-5-carboxylic acid, 1H-Imidazole-5-carboxylic acid, 1-ethyl-, 3-ETHYL-3H-IMIDAZOLE-4-CARBOXYLIC ACID, 3-ethylimidazole-4-carboxylic acid, 1-Ethyl-1H-iMidazole-5-carboxylic acid

1-Ethyl-1H-imidazole-5-carboxylic acid (CAS 71925-11-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H8N2O2 and a molecular weight of 140.140 g/mol. It is also known as 1-Ethylimidazole-5-carboxylic acid, 1H-Imidazole-5-carboxylic acid, 1-ethyl- and 3-ETHYL-3H-IMIDAZOLE-4-CARBOXYLIC ACID. Key properties include a boiling point of 384.6±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 186.4±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
71925-11-6
Jingsj CID
J-1080581-3
Molecular Formula
C6H8N2O2
Chinese Name
1-乙基-1H-咪唑-5-羧酸
Molecular Weight
140.140 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point384.6±15.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point186.4±20.4 °C

Frequently Asked Questions

What is the CAS number of 1-Ethyl-1H-imidazole-5-carboxylic acid?

The CAS number of 1-Ethyl-1H-imidazole-5-carboxylic acid is 71925-11-6.

What are the molecular formula and molecular weight of 1-Ethyl-1H-imidazole-5-carboxylic acid?

1-Ethyl-1H-imidazole-5-carboxylic acid has molecular formula C6H8N2O2 and molecular weight 140.140 g/mol.

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

Last updated:

How to cite: Jingsj. "1-Ethyl-1H-imidazole-5-carboxylic acid (CAS 71925-11-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1080581-3 (accessed 2026-10-24).

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