3,3′-Dinitrobenzophenone
3,3′-Dinitrobenzophenone (CAS 21222-05-9) is a chemical compound with the linear formula (O2NC6H4)2CO and a molecular weight of 272.21 g/mol. This dinitro derivative of benzophenone serves as a valuable building block in organic synthesis. Its structure, featuring two nitro groups and a central carbonyl, makes it useful for various chemical transformations and in the development of novel organic materials.
- Synonyms
- (O2NC6H4)2CO

Organic Synthesis Intermediate
3,3′-Dinitrobenzophenone is employed as a key intermediate in the synthesis of more complex organic molecules. Its reactive nitro groups can be modified or used to direct further reactions, facilitating the construction of intricate chemical architectures.
Precursor for Functional Materials
The compound's dinitrophenyl structure suggests potential applications as a precursor in the development of advanced functional materials. Modifications of this structure could lead to materials with specific electronic or optical properties.
Research Chemical
As a laboratory reagent, 3,3′-Dinitrobenzophenone is utilised in research settings for exploratory chemistry. It enables chemists to investigate new reaction pathways and develop novel synthetic methodologies.
| Molecular weight | 272.21 |
|---|---|
| Linear formula | (O2NC6H4)2CO |
| Assay | 96% |
| Melting point | 152-154 °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) | 26-37/39 |
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 3,3′-Dinitrobenzophenone used for?
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3,3′-Dinitrobenzophenone is primarily used as a building block and intermediate in organic synthesis, and as a research chemical for developing new synthetic methodologies and materials.
What is the CAS number and formula for 3,3′-Dinitrobenzophenone?
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The CAS number for 3,3′-Dinitrobenzophenone is 21222-05-9, and its linear formula is (O2NC6H4)2CO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,3′-Dinitrobenzophenone with a minimum assay of 96%. This product is intended for research and industrial use; TSS does not represent it as USP, BP, EP or pharmacopoeia grade.
How should 3,3′-Dinitrobenzophenone be handled safely?
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3,3′-Dinitrobenzophenone is classified with Warning signal word, and hazard statements H315, H319, H335. Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation and avoid dust formation. Refer to the Safety Data Sheet for comprehensive handling information.
Is 3,3′-Dinitrobenzophenone suitable for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and can export 3,3′-Dinitrobenzophenone to various international destinations, adhering to all shipping regulations.
How can I request a sample or quote for 3,3′-Dinitrobenzophenone?
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To request a sample or a quotation for 3,3′-Dinitrobenzophenone, please contact the TSS sales team via the website enquiry form or directly by phone. Please specify the quantity required.
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