3-Benzoylbenzoic acid
3-Benzoylbenzoic acid (CAS 579-18-0), with the molecular formula C <sub>6</sub>H <sub>5</sub>COC <sub>6</sub>H <sub>4</sub>CO <sub>2</sub>H and a molecular weight of 226.23 g/mol, is a versatile organic compound. This carboxylic acid derivative primarily functions as a building block in chemical synthesis. It has been utilised in specific light-induced reactions and in the preparation of complex organic molecules, serving as a key intermediate for researchers and manufacturers.

Organic Synthesis Intermediate
3-Benzoylbenzoic acid serves as a valuable intermediate in the synthesis of various organic compounds. Its structure allows for diverse chemical transformations, making it useful in research and development for new materials and molecules.
Photochemical Reactions
This compound has been employed in studies involving light-induced reactions, specifically on boron-doped diamond surfaces. Its benzophenone moiety is relevant for applications requiring photoactivation or photochemistry.
Derivative Preparation
It is used in the preparation of specific derivatives, such as benzophenone flavonol derivatives. This application highlights its utility in constructing more complex molecular architectures for specialised chemical research.
| Molecular weight | 226.23 |
|---|---|
| Linear formula | C6H5COC6H4CO2H |
| Assay | 99% |
| Application | 3-Benzoylbenzoic acid has been used in:• light-induced reactions on benzophenone-terminated boron-doped diamond (BDD) surfaces1• preparation of benzophenone flavonol derivative2 |
| Melting point | 164-166 °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-Benzoylbenzoic acid used for?
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3-Benzoylbenzoic acid is primarily used as a building block in organic synthesis, in light-induced reactions on specific surfaces, and for the preparation of derivatives like benzophenone flavonol.
What are the CAS number and formula for 3-Benzoylbenzoic acid?
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The CAS number for 3-Benzoylbenzoic acid is 579-18-0 and its linear formula is C <sub>6</sub>H <sub>5</sub>COC <sub>6</sub>H <sub>4</sub>CO <sub>2</sub>H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Benzoylbenzoic acid with an assay of 99%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade unless explicitly stated in the product data.
How should 3-Benzoylbenzoic acid be handled safely?
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3-Benzoylbenzoic acid is classified as a Warning substance (GHS07) with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Handle with appropriate personal protective equipment including a dust mask (type N95 US), eyeshields, and gloves. Ensure adequate ventilation.
Is 3-Benzoylbenzoic acid a controlled substance?
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The provided data does not indicate that 3-Benzoylbenzoic acid is a controlled substance.
How is 3-Benzoylbenzoic acid packed and shipped by TSS?
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Tech Serve Solutions, as a specialist global supplier and exporter of fine chemicals, ensures appropriate packaging and shipping for 3-Benzoylbenzoic acid in compliance with international regulations for chemical export.
How can I request a sample or quote for 3-Benzoylbenzoic acid?
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To request a sample or a quote for 3-Benzoylbenzoic acid, please contact our sales team through the methods provided on the Tech Serve Solutions website.
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