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2-Mercaptobenzimidazole

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2-Mercaptobenzimidazole molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 3 grades and pack sizes of 2-Mercaptobenzimidazole (CAS 583-39-1). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS583-39-1
Molecular formulaC7H6N2S
Molecular weight150.2 g/mol
IUPAC name1,3-dihydrobenzimidazole-2-thione
Synonyms2-Benzimidazolethiol · 1H-Benzimidazole-2-thiol · Antioxidant MB · o-Phenylenethiourea · Antigene MB · Antigen MB
Safety & Hazards (GHS) Danger
Acute toxic Acute toxic
  • H301 Toxic if swallowed
  • H317 May cause an allergic skin reaction
  • H319 Causes serious eye irritation

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma 2-MERCAPTOBENZIMIDAZOLE, 98% M3205-100G
M3205-500G
M3205-5G		 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.