phosphoric acid diphenyl ester, CAS No. 838-85-7

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838-85-7

Catalog No. EBD6897

CAS 838-85-7

Name phosphoric acid diphenyl ester

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Basic Information

Synonyms: diphenylhydrogenphosphate Phosphoricacid,diphenylester 4-06-00-00714(BeilsteinHandbookReference) BRN1379164 Diphenylphosphate NSC6518 Phenylhydrogenphosphate Phenylphosphate((PhO)2(HO)PO) (PhO)2P(O)OH phosphoricaciddiphenylester

Molecular Formula: C12H11O4P

Molecular Weight: 250.19

MDL Number: MFCD00003033

Categories: Materials Chemistry > Polymers and Macromolecular Materials > Polymer Additives Synthetic Chemistry > Organic Building Blocks > Phosphorus Compounds

Product Description:

Diphenyl phosphate is an organophosphorus compound with the chemical formula (C6H5O)2PO(OH). It is a colorless to pale yellow solid or liquid, commonly used as a flame retardant and plasticizer. Its primary industrial application is as a reactive flame retardant and plasticizer in the production of polymers, particularly in epoxy resins and polycarbonates. It functions as a flame retardant by promoting char formation and releasing phosphorus-containing radicals that scavenge combustion-propagating radicals in the gas phase. It is also utilized as an intermediate in the synthesis of other phosphate esters and organophosphorus compounds. As a monomer or additive, it contributes to improving the fire resistance and flexibility of various polymeric materials. It is important to handle it with care due to its potential irritant properties.

Physical Properties

Melting Point: 62-66 °C(lit.)

Boiling Point: 280°C

Flash Point: 4°C

Density: 0,76 g/cm3

Refractivity: 1.6250

Analytical Data

Appearance: white crystalline powder