5-Ethoxy-2-mercaptobenzimidazole
5-Ethoxy-2-mercaptobenzimidazole (CAS 55489-15-1, C9H10N2OS) is a heterocyclic organic compound with a molecular weight of 194.25 g/mol. It serves as a valuable building block in chemical synthesis. This compound is primarily utilised in research and development settings for the creation of novel molecules and materials, owing to its reactive mercapto group and benzimidazole core structure.

Organic Synthesis Intermediate
Utilised as a precursor or intermediate in the synthesis of more complex organic molecules. Its structure lends itself to further functionalization for diverse chemical applications.
Heterocyclic Chemistry Research
A key building block for researchers exploring new heterocyclic compounds. The benzimidazole scaffold is present in many biologically active molecules.
Materials Science Exploration
Investigated for potential incorporation into novel materials due to its specific chemical properties and structural features.
| Molecular weight | 194.25 |
|---|---|
| Empirical formula | C9H10N2OS |
| Assay | 97% |
| Melting point | 252-256 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3335 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 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 5-Ethoxy-2-mercaptobenzimidazole used for?
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5-Ethoxy-2-mercaptobenzimidazole is used as a building block and intermediate in organic synthesis and heterocyclic chemistry research.
What are the CAS number and formula for 5-Ethoxy-2-mercaptobenzimidazole?
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The CAS number is 55489-15-1, and the empirical formula is C9H10N2OS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Ethoxy-2-mercaptobenzimidazole with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 5-Ethoxy-2-mercaptobenzimidazole be handled?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust. Refer to the safety data sheet for full handling instructions. It carries H315, H319, and H335 hazard statements.
Is 5-Ethoxy-2-mercaptobenzimidazole packed and shipped internationally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of chemicals, including 5-Ethoxy-2-mercaptobenzimidazole.
How can I request a quote or sample for 5-Ethoxy-2-mercaptobenzimidazole?
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Please contact our sales team via the website or direct contact details to request a quote or sample.
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