1-Methyl-1H-imidazole-5-carbonitrile

1-甲基-1H-咪唑-5-腈

Also known as: 1H-Imidazole-5-carbonitrile, 1-methyl-, 3-methylimidazole-4-carbonitrile, 3-methyl-3H-imidazole-4-carbonitrile, 1-methylimidazole-5-carbonitrile

1-Methyl-1H-imidazole-5-carbonitrile (CAS 66121-66-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5N3 and a molecular weight of 107.113 g/mol. It is also known as 1H-Imidazole-5-carbonitrile, 1-methyl-, 3-methylimidazole-4-carbonitrile and 3-methyl-3H-imidazole-4-carbonitrile. Key properties include a melting point of 55ºC, a boiling point of 314.1±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 143.8±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
66121-66-2
Jingsj CID
J-1526589-6
Molecular Formula
C5H5N3
Chinese Name
1-甲基-1H-咪唑-5-腈
Molecular Weight
107.113 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point55ºC
Boiling Point314.1±15.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point143.8±20.4 °C

Frequently Asked Questions

What is the CAS number of 1-Methyl-1H-imidazole-5-carbonitrile?

The CAS number of 1-Methyl-1H-imidazole-5-carbonitrile is 66121-66-2.

What are the molecular formula and molecular weight of 1-Methyl-1H-imidazole-5-carbonitrile?

1-Methyl-1H-imidazole-5-carbonitrile has molecular formula C5H5N3 and molecular weight 107.113 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-imidazole-5-carbonitrile (CAS 66121-66-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526589-6 (accessed 2026-10-22).

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