Phenyl benzoate
Phenyl benzoate (CAS: 93-99-2; Formula: C6H5CO2C6H5; Molar Mass: 198.22 g/mol) is an ester with a wide melting point range. It is primarily recognised as a valuable organic building block and intermediate in chemical synthesis. Its utility is demonstrated in the development of advanced materials, such as its use in the synthesis of soluble polyimides through reactions with specific dianhydride/diamine derivatives. Available at 99% purity, it serves critical roles in research and industrial applications.
- IUPAC
- Benzoic acid phenyl ester
- Synonyms
- Benzoic acid phenyl ester

Polyimide Synthesis
Phenyl benzoate has been employed in the synthesis of soluble polyimides. This application involves its reaction with dianhydride and diamine derivatives to create advanced polymeric materials with tailored properties for various high-performance applications.
Organic Synthesis Intermediate
As a functionalised ester, phenyl benzoate serves as a versatile intermediate in organic synthesis. It provides a reactive site for further chemical modifications, enabling the construction of more complex molecular architectures for research and development.
Building Block for Complex Molecules
Phenyl benzoate is classified as an organic building block, meaning it can be incorporated into larger molecules. Its structure lends itself to the creation of novel compounds in fields such as materials science and specialty chemicals.
| Molecular weight | 198.22 |
|---|---|
| Linear formula | C6H5CO2C6H5 |
| Assay | 99% |
| Boiling point | 298-299 °C(lit.) |
| Solubility | alcohol: freely soluble (hot)diethyl ether: slightly solublewater: insoluble |
| Application | Phenyl benzoate was used in the synthesis of soluble polyimides using dianhydride/diamine derivatives1. |
| Melting point | 68-70 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-38 |
| Safety statements (S) | 22-24/25 |
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 Phenyl benzoate used for?
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Phenyl benzoate is used as an intermediate in organic synthesis, particularly in the preparation of soluble polyimides and as a building block for complex molecules.
What are the CAS number and formula for Phenyl benzoate?
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The CAS number for Phenyl benzoate is 93-99-2, and its formula is C6H5CO2C6H5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Phenyl benzoate with an assay of 99%. TSS does not represent this product as USP, BP, or EP grade.
How should Phenyl benzoate be handled safely?
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Phenyl benzoate is a warning substance (GHS07) that may cause harm if swallowed (H302) and can cause skin irritation (H315). Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, in a well-ventilated area. Avoid breathing dust.
Is Phenyl benzoate a controlled substance?
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The provided data does not indicate that Phenyl benzoate is a controlled substance.
How is Phenyl benzoate packed, shipped, and exported?
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Tech Serve Solutions offers Phenyl benzoate for global export. Packaging is designed to ensure product integrity during transit. Please contact us for specific shipping and export details.
How can I request a sample or quote for Phenyl benzoate?
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To request a sample or quote for Phenyl benzoate, please use the contact form on our website or call our sales department directly.
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