2-Mercaptobenzimidazole
2-Mercaptobenzimidazole (CAS: 583-39-1), with the molecular formula C7H6N2S and a molecular weight of 150.20 g/mol, is a heterocyclic organic compound. It is primarily utilised as a chemical intermediate and a building block in organic synthesis, particularly within the realm of heterocyclic chemistry. Available from Tech Serve Solutions at a high purity, it serves researchers and industrial chemists requiring reliable synthetic precursors.
- IUPAC
- 2-Benzimidazolethiol
- Synonyms
- 2-Benzimidazolethiol

Organic Synthesis Intermediate
2-Mercaptobenzimidazole is employed as a key intermediate in the synthesis of more complex organic molecules. Its unique structure allows for diverse chemical modifications, making it valuable in constructing novel compounds for various research and development purposes.
Heterocyclic Building Block
This compound functions as a versatile building block for the creation of various heterocyclic systems. Its benzimidazole core is a prevalent motif in medicinal chemistry and materials science, offering a foundation for designing molecules with specific biological or physical properties.
Research and Development
It is widely used in academic and industrial laboratories for R&D activities. Chemists leverage its reactivity to explore new synthetic pathways and develop innovative materials or pharmaceutical candidates.
| Molecular weight | 150.20 |
|---|---|
| Empirical formula | C7H6N2S |
| Assay | 98% |
| Melting point | 300-304 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2-Mercaptobenzimidazole used for?
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2-Mercaptobenzimidazole (CAS: 583-39-1) is principally used as an intermediate and building block in organic synthesis and chemical research, particularly for creating heterocyclic compounds.
What is the CAS number and chemical formula for 2-Mercaptobenzimidazole?
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The CAS number is 583-39-1 and the empirical formula is C7H6N2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Mercaptobenzimidazole with an assay of 98%. This is typically considered a technical or research grade; TSS does not represent it as meeting USP, BP, or EP pharmacopoeia standards.
How should 2-Mercaptobenzimidazole be handled safely?
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Handling requires caution due to its hazards (H301, H312, H315, H319, H332, H335). Use a dust mask (type N95 US recommended), safety eyeshields, face shields, and gloves. Ensure good ventilation and avoid dust formation. Refer to the Safety Data Sheet (SDS) for full details.
Is 2-Mercaptobenzimidazole a controlled substance?
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The provided data does not indicate that 2-Mercaptobenzimidazole is a controlled substance.
How is 2-Mercaptobenzimidazole shipped and exported?
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Shipments conform to regulations, with UN 2811, 6.1, PGIII classification noted. Tech Serve Solutions is experienced in global export of chemical products.
How can I request a quote or sample?
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To request a quote or sample of 2-Mercaptobenzimidazole, please contact our sales team through the website or by phone, providing your requirements.
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