2-Mercapto-5-methylbenzimidazole

2-巯基-5-甲基苯并咪唑

Also known as: 5-Methyl-1,3-dihydro-2H-benzo[d]imidazole-2-thione, 5-Methyl-2-benzimidazolethiol, 5-Methyl-2-mercaptobenzimidazole, 5-Methyl-1H-benzo[d]imidazole-2-thiol, 1,3-Dihydro-5-methyl-2H-benzimidazole-2-thione, 5-Methyl-2-mercapto-1H-benzimidazole, 5-Methylbenzimidazole-2-thiol, EINECS 248-350-5, MFCD00010617, IFLAB-BB F1791-0318

2-Mercapto-5-methylbenzimidazole (CAS 27231-36-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8N2S and a molecular weight of 164.22800 g/mol. It is also known as 5-Methyl-1,3-dihydro-2H-benzo[d]imidazole-2-thione, 5-Methyl-2-benzimidazolethiol and 5-Methyl-2-mercaptobenzimidazole. Key properties include a melting point of 290-293 °C(lit.), a boiling point of 282.5ºC at 760 mmHg, a density of 1.32 g/cm3 and a flash point of 124.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
27231-36-3
Jingsj CID
J-19190-0
Molecular Formula
C8H8N2S
Chinese Name
2-巯基-5-甲基苯并咪唑
Molecular Weight
164.22800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point290-293 °C(lit.)
Boiling Point282.5ºC at 760 mmHg
Density1.32 g/cm3
Flash Point124.6ºC

Frequently Asked Questions

What is the CAS number of 2-Mercapto-5-methylbenzimidazole?

The CAS number of 2-Mercapto-5-methylbenzimidazole is 27231-36-3.

What are the molecular formula and molecular weight of 2-Mercapto-5-methylbenzimidazole?

2-Mercapto-5-methylbenzimidazole has molecular formula C8H8N2S and molecular weight 164.22800 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Mercapto-5-methylbenzimidazole (CAS 27231-36-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19190-0 (accessed 2026-10-22).

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