2-Mercapto-5-methylbenzimidazole

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. 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-19190-2
Molecular Formula: C₈H₈N₂S
Molecular Weight: 164.22800 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	290-293 °C(lit.)
Boiling Point	282.5ºC at 760 mmHg
Density	1.32 g/cm3
Flash Point	124.6ºC
Exact Mass	164.04100
PSA	67.48000
LogP	2.16000
Vapor Pressure	0.00335mmHg at 25°C
Refractive Index	1.708

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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.

What are the upstream and downstream products of 2-Mercapto-5-methylbenzimidazole?

For 2-Mercapto-5-methylbenzimidazole, Upstream Products: 3,4-Diaminotoluene, Carbon disulphide, 3-formylbut-2-enyl acetate; Downstream Products: 1H-Benzimidazole, 2-(ethylthio)-5-methyl- (9CI), 5-Methylbenzimidazole, 5-Methyl-1H-benzimidazol-2-amine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Mercapto-5-methylbenzimidazole (CAS 27231-36-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19190-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.