2-(2-Aminophenyl)-1H-benzimidazole
2-(2-Aminophenyl)-1H-benzimidazole (CAS 5805-39-0) is a benzimidazole derivative with the molecular formula C13H11N3 and a molecular weight of 209.25 g/mol. This compound is a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. It finds application in the development of novel organic molecules and functional materials due to its unique structural features.

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of complex organic molecules. Its benzimidazole core and amino substituent offer reactive sites for various chemical transformations.
Heterocyclic Chemistry
Utilised as a building block for constructing diverse heterocyclic systems. It is instrumental in creating novel scaffolds for medicinal chemistry and materials science research.
Research and Development
Employed in academic and industrial research for exploring new synthetic routes and developing novel compounds with potential biological or material properties.
| Molecular weight | 209.25 |
|---|---|
| Empirical formula | C13H11N3 |
| Assay | 97% |
| Melting point | 211-215 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26-36/39 |
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-(2-Aminophenyl)-1H-benzimidazole used for?
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2-(2-Aminophenyl)-1H-benzimidazole is primarily used as a building block in organic synthesis and heterocyclic chemistry research and development.
What are the CAS number and molecular formula?
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The CAS number for 2-(2-Aminophenyl)-1H-benzimidazole is 5805-39-0, and its molecular formula is C13H11N3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-(2-Aminophenyl)-1H-benzimidazole with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the safety precautions for handling this compound?
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Handling requires caution due to hazards including H302 (Harmful if swallowed), H315 (Causes skin irritation), H318 (Causes serious eye damage), and H335 (May cause respiratory irritation). Use a dust mask (type N95 US), eye shields, face shields, and gloves. Ensure adequate ventilation and avoid breathing dust. In case of contact, rinse cautiously with water for several minutes.
Is this chemical a controlled substance?
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This chemical is not listed as a controlled substance in the provided safety data.
How is this chemical shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, adhering to all necessary regulations for safe and compliant international shipping.
How can I request a sample or quote for 2-(2-Aminophenyl)-1H-benzimidazole?
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Please contact our sales team directly via our website or by phone to request a sample or a quotation for 2-(2-Aminophenyl)-1H-benzimidazole.
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