2-Mercaptobenzimidazole

• CAT Number: R047155
• CAS Number: 583-39-1
• Molecular Formula: C7H6N2S
• Molecular Weight: 150.20
• Purity: ≥95%
• Synonyms: 1,3-Dihydro-2H-benzimidazole-2-thione; 2-Benzimidazolinethione; 1H-Benzimidazole-2-thiol; 2-Mercapto-1H-benzimidazole; 2-Thiobenzimidazole; Antigene MB; Antioxidant Rabeprazole Related Compound CMB; Permanax 21; Sandant MB; Sumilizer MB; Vulkanox; o
• Storage: Room temperature
• IUPAC Name: 1,3-dihydrobenzimidazole-2-thione
• InChI: InChI=1S/C7H6N2S/c10-7-8-5-3-1-2-4-6(5)9-7/h1-4H,(H2,8,9,10)
• InChIKey: YHMYGUUIMTVXNW-UHFFFAOYSA-N
• SMILES: C1=CC=C2C(=C1)NC(=S)N2

2-Mercaptobenzimidazole (Cat No.: R047155) is a heterocyclic aromatic compound with the molecular formula C₇H₆N₂S, featuring a benzimidazole ring substituted with a thiol (-SH) group at the 2-position. It appears as a white to off-white crystalline powder and is widely used as a corrosion inhibitor, antioxidant, and stabilizer in industrial applications, particularly in rubber and polymer processing. Its sulfur and nitrogen atoms enable strong metal chelation, making it effective in protecting metals from oxidative degradation. It also finds use in pharmaceutical synthesis and analytical chemistry.