3,4-Diaminobenzonitrile
3,4-Diaminobenzonitrile (CAS: 17626-40-3), with the molecular formula C6H3(NH2)2C≡N and a molecular weight of 133.15 g/mol, is a versatile organic compound. As a nitrile and aromatic diamine, it serves as a valuable building block in chemical synthesis. Its structure lends itself to the development of more complex molecules, particularly in the fields of materials science and pharmaceutical research.
- Synonyms
- C6H3(NH2)2C≡N

Organic Synthesis Intermediate
3,4-Diaminobenzonitrile is used as a key intermediate in the synthesis of various organic compounds. Its reactive amine and nitrile functionalities allow for diverse chemical transformations, enabling the construction of complex molecular architectures.
Material Science Precursor
The compound can be employed as a precursor in the development of novel materials. Its structural features may contribute to the creation of polymers or advanced organic materials with specific properties.
Research and Development
Primarily utilised in laboratory settings, 3,4-Diaminobenzonitrile supports R&D activities across chemical and pharmaceutical sectors. It is instrumental in exploring new synthetic routes and discovering novel compounds.
| Molecular weight | 133.15 |
|---|---|
| Linear formula | C6H3(NH2)2C≡N |
| Assay | 97% |
| Melting point | 144-148 °C |

Hazard statements
- H302Harmful if swallowed
- 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 |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 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 3,4-Diaminobenzonitrile used for?
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3,4-Diaminobenzonitrile is primarily used as a building block in organic synthesis and as a precursor in material science research and development.
What is the CAS number and chemical formula for 3,4-Diaminobenzonitrile?
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The CAS number is 17626-40-3 and the linear chemical formula is C6H3(NH2)2C≡N.
What grade and purity does Tech Serve Solutions supply for 3,4-Diaminobenzonitrile?
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Tech Serve Solutions supplies 3,4-Diaminobenzonitrile with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the main hazards associated with 3,4-Diaminobenzonitrile?
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3,4-Diaminobenzonitrile is classified with GHS07 and a Warning signal word. It has hazard statements H302 (Harmful if swallowed), H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves, should be used during handling.
How is 3,4-Diaminobenzonitrile typically packed and shipped?
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3,4-Diaminobenzonitrile is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions.
How can I request a quote or sample for 3,4-Diaminobenzonitrile?
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To request a quote or a sample of 3,4-Diaminobenzonitrile, please contact our sales team through the website or by phone.
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