Benzoic anhydride
Benzoic anhydride (CAS: 93-97-0) is a chemical compound with the linear formula (C6H5CO)2O and a molecular weight of 226.23 g/mol. This organic compound functions as a dehydrating agent and a benzoylating agent in organic synthesis. It is commonly employed in the preparation of esters and amides, serving as a valuable building block in the synthesis of more complex organic molecules for research and industrial applications.
Reagent in Organic Synthesis
Benzoic anhydride is utilised as a benzoylating agent for alcohols and amines, facilitating the formation of esters and amides. Its dehydrating properties are also leveraged in specific synthetic transformations.
Synthesis of Pharmaceutical Intermediates
This compound can serve as a precursor or intermediate in the multi-step synthesis of active pharmaceutical ingredients (APIs) and related compounds.
Preparation of Specialty Chemicals
Benzoic anhydride is used in the production of various specialty chemicals, including dyes, fragrances, and polymers, where the introduction of a benzoyl group is required.
| Molecular weight | 226.23 |
|---|---|
| Linear formula | (C6H5CO)2O |
| Assay | 89% |
| Density | 1.199 g/mL at 25 °C(lit.) |
| Melting point | 38-42 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 37/38-41 |
| Safety statements (S) | 26-39 |
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 Benzoic anhydride used for?
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Benzoic anhydride is used as a benzoylating agent in organic synthesis for the preparation of esters and amides, and as a dehydrating agent. It is a valuable building block for creating more complex organic molecules.
What is the CAS number and molecular formula for Benzoic anhydride?
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The CAS number for Benzoic anhydride is 93-97-0, and its linear formula is (C6H5CO)2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Benzoic anhydride with an assay of 89%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated in the product specifications.
How should Benzoic anhydride be handled safely?
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Benzoic anhydride is a danger to health, causing skin irritation, serious eye damage, and respiratory irritation. Handle with appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves. Ensure adequate ventilation and avoid breathing dust.
How is Benzoic anhydride shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Benzoic anhydride. Specific shipping and export details can be provided upon inquiry.
How can I request a sample or quote for Benzoic anhydride?
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To request a sample or quote for Benzoic anhydride, please contact our sales team through the website or by phone, referencing the product CAS number 93-97-0.
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