3,4-Diaminobenzophenone
3,4-Diaminobenzophenone (CAS: 39070-63-8), with the molecular formula C13H12N2O and a molar mass of 212.25 g/mol, is a key organic intermediate. This compound serves as a valuable building block in the synthesis of various advanced materials and polymers. Its chemical structure, featuring both amine and ketone functionalities, allows for diverse reactions, making it a versatile reagent in chemical research and development, particularly within materials science.
- IUPAC
- 4-Benzoyl-o-phenylenediamine
- Synonyms
- 4-Benzoyl-o-phenylenediamineC6H5COC6H3(NH2)2

Monomer for High-Performance Polymers
3,4-Diaminobenzophenone acts as a monomer in the synthesis of polyimides and other advanced polymers. These polymers often exhibit excellent thermal stability and mechanical properties, suitable for demanding applications.
Organic Synthesis Intermediate
This compound is a crucial intermediate in the multi-step synthesis of complex organic molecules. Its reactive amine groups can participate in condensation and cyclization reactions, leading to diverse chemical structures.
Materials Science Research
Researchers in materials science utilise 3,4-Diaminobenzophenone for developing new materials with specific electronic or optical properties. Its structure can be incorporated into functionalised materials for various technological uses.
| Molecular weight | 212.25 |
|---|---|
| Linear formula | C6H5COC6H3(NH2)2 |
| Assay | 97% |
| Melting point | 115-117 °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 |
|---|---|
| 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 3,4-Diaminobenzophenone used for?
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3,4-Diaminobenzophenone is primarily used as an intermediate in organic synthesis and as a monomer for producing high-performance polymers and advanced materials.
What is the CAS number and chemical formula for 3,4-Diaminobenzophenone?
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The CAS number for 3,4-Diaminobenzophenone is 39070-63-8 and its linear chemical formula is C6H5COC6H3(NH2)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4-Diaminobenzophenone with a minimum assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations for 3,4-Diaminobenzophenone?
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3,4-Diaminobenzophenone is classified as a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Always handle with appropriate personal protective equipment, including a dust mask type N95, eyeshields, and gloves, in a well-ventilated area.
How is 3,4-Diaminobenzophenone packed and exported?
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Tech Serve Solutions professionally packs and exports chemicals globally, adhering to all necessary safety and regulatory standards for safe transit.
How can I request a sample or quote for 3,4-Diaminobenzophenone?
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To request a sample or obtain a quote for 3,4-Diaminobenzophenone, please contact our sales department through the website or by phone.
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