3-(4-Aminophenyl)benzonitrile
3-(4-Aminophenyl)benzonitrile (CAS 443998-73-0), with the molecular formula C13H10N2 and a molecular weight of 194.23 g/mol, is a vital organic building block. This compound features both an amine and a nitrile functional group, making it a versatile intermediate in chemical synthesis. It is particularly useful in the development of novel materials and complex organic molecules for research and industrial applications.
- IUPAC
- 4′-Amino-[1,1′-biphenyl]-3-carbonitrile,4′-Aminobiphenyl-3-carbonitrile
- Synonyms
- 4′-Amino-[1,1′-biphenyl]-3-carbonitrile, 4′-Aminobiphenyl-3-carbonitrile

Chemical Synthesis Intermediate
Utilised as a key building block in multi-step organic synthesis pathways. Its bifunctional nature allows for diverse reactions, facilitating the construction of complex molecular architectures.
Materials Science Research
A useful precursor in the development of advanced materials. The presence of aromatic rings and functional groups can contribute to specific electronic or structural properties in polymers or organic semiconductors.
Pharmaceutical Intermediate Development
Serves as a foundational component in the synthesis of potential pharmaceutical agents. Its structure can be modified to create diverse pharmacophores for drug discovery.
| Molecular weight | 194.23 |
|---|---|
| Empirical formula | C13H10N2 |
| Assay | 97% |
| Melting point | 128-132 °C(lit.) |



Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H318Causes serious eye damage
- H332Harmful if inhaled
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 20/21/22-41-50 |
| Safety statements (S) | 26-36/39-60-61 |
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-Aminophenyl)benzonitrile used for?
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3-(4-Aminophenyl)benzonitrile is primarily used as a versatile building block in organic synthesis and in the development of novel materials and pharmaceutical agents.
What is the CAS number and molecular formula for 3-(4-Aminophenyl)benzonitrile?
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The CAS number is 443998-73-0, and the molecular formula is C13H10N2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-(4-Aminophenyl)benzonitrile with a minimum assay of 97%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 3-(4-Aminophenyl)benzonitrile be handled safely?
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This compound is classified as Dangerous. It is harmful if swallowed, in contact with skin, or if inhaled, and causes serious eye damage. It is also very toxic to aquatic life. Always use with adequate ventilation, wear eye protection, gloves, and a dust mask (type N95 or equivalent). Avoid release to the environment.
How is 3-(4-Aminophenyl)benzonitrile packed and shipped?
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3-(4-Aminophenyl)benzonitrile is packed according to relevant safety regulations for hazardous materials, including UN 3077 Class 9 packaging. Tech Serve Solutions can export this chemical globally.
How can I request a quote or sample?
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To request a quote or a sample, please contact our sales team directly through the TSS website or by calling our customer service number.
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