Diphenyl phosphate
Diphenyl phosphate (CAS: 838-85-7) is an organic phosphate compound with the linear formula (C<sub>6</sub>H<sub>5</sub>O)<sub>2</sub>P(O)OH and a molecular weight of 250.19 g/mol. It functions as a chemical intermediate and building block in organic synthesis. Its properties make it suitable for applications requiring phosphorus-containing organic molecules in research and industrial chemical processes.

Organic Synthesis Intermediate
Diphenyl phosphate serves as a versatile intermediate in the synthesis of various complex organic molecules. It is employed in reactions where the introduction of a diphenyl phosphate moiety is required.
Phosphorylation Agent
This compound can act as a phosphorylating agent in specific organic reactions. Its structure facilitates the transfer of phosphate groups in the construction of novel chemical entities.
Building Block for Specialty Chemicals
As an organic building block, diphenyl phosphate is utilised in the development and production of specialty chemicals. Its unique structure contributes to the properties of target molecules.
| Molecular weight | 250.19 |
|---|---|
| Linear formula | (C6H5O)2P(O)OH |
| Assay | 99% |
| Melting point | 62-66 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 Diphenyl Phosphate used for?
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Diphenyl phosphate is primarily used as an intermediate and building block in organic synthesis and for the preparation of specialty chemicals. It can also function as a phosphorylation agent in specific chemical reactions.
What is the CAS number and formula for Diphenyl Phosphate?
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The CAS number for Diphenyl Phosphate is 838-85-7, and its linear formula is (C<sub>6</sub>H<sub>5</sub>O)<sub>2</sub>P(O)OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Diphenyl Phosphate with an assay of 99%. This is a technical/research grade, and TSS does not represent it as USP, BP, EP, or pharmacopoeia grade.
How should Diphenyl Phosphate be handled safely?
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Handling Diphenyl Phosphate requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. The substance has a WGK Germany classification of 3.
Does Tech Serve Solutions export Diphenyl Phosphate?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Diphenyl Phosphate.
How can I request a sample or quote for Diphenyl Phosphate?
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To request a sample or quote for Diphenyl Phosphate, please contact the Tech Serve Solutions sales team through the website or by phone.
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