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2-Ethynyl-1-methyl-1H-benzimidazole

2-乙炔基-1-甲基-1H-苯并咪唑

Also known as: 1H-Benzimidazole, 2-ethynyl-1-methyl-, 1-Methyl-2-ethynylbenzimidazole, 2-Ethynyl-1-methyl-1H-benzo[d]imidazole, 2-Ethynyl-1-methylbenzimidazole, 2-Ethynyl-1-methyl-1H-1,3-benzodiazole, 2-ethynyl-1-methyl-1H-benzoimidazole, 2-acetylene-N-methylbenzimidazole

2-Ethynyl-1-methyl-1H-benzimidazole (CAS 32545-01-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8N2 and a molecular weight of 156.184 g/mol. It is also known as 1H-Benzimidazole, 2-ethynyl-1-methyl-, 1-Methyl-2-ethynylbenzimidazole and 2-Ethynyl-1-methyl-1H-benzo[d]imidazole. Key properties include a boiling point of 305.1±25.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 138.3±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
32545-01-0
Jingsj CID
J-1356252-4
Molecular Formula
C10H8N2
Chinese Name
2-乙炔基-1-甲基-1H-苯并咪唑
Molecular Weight
156.184 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point305.1±25.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point138.3±23.2 °C

Frequently Asked Questions

What is the CAS number of 2-Ethynyl-1-methyl-1H-benzimidazole?

The CAS number of 2-Ethynyl-1-methyl-1H-benzimidazole is 32545-01-0.

What are the molecular formula and molecular weight of 2-Ethynyl-1-methyl-1H-benzimidazole?

2-Ethynyl-1-methyl-1H-benzimidazole has molecular formula C10H8N2 and molecular weight 156.184 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Ethynyl-1-methyl-1H-benzimidazole (CAS 32545-01-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1356252-4 (accessed 2026-10-22).

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