Cresyl diphenyl phosphate

Basic Info:

  • Chemical Synonym(s): disflamolldpk; Phosphoric Acid Cresyl Diphenyl Ester; phosflex112; Diphenyl Cresyl Phosphate (so called); Diphenyl cresyl phosphate; Expand
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  • CAS Number: 26444-49-5
  • Chemical Formula:


  • MSDS: Download


Boiling Point
Melting Point
Flash Point
Pale yellow
Specific Gravity
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Cresyl Diphenyl Phosphate(CDP), also know as Diphenyl cresol phosphate, Phosphoric acid methyl phenyl diphenyl ester, is a colorless, oily, viscous liquid that is clear in appearance. It smells a little phenolic.

CDP is the abbreviation for it. It has a strong odor. It dissolves well in water and alcohol but is not soluble in ether or chloroform. It is an organophosphate compound. It has very good thermal stability.

At the same time, it also has electrical insulation, oil resistance, old age resistance and other properties. Cresyl diphenyl phosphate(CDP) reacts to cresol and phenol with phosphorus pentoxide in the liquid phase at 100 degrees Celsius. 


Cresyl Diphenyl Phosphate(CDP) is used as a flame retardant in many industrial and commercial applications, such as plastics, textiles, foams and rubber products.

CDP is a common chemical ingredient in a wide range of cosmetics, perfumes and soaps.

It is also used in soft PVC flame retardant plasticization, butyl rubber, epoxy resin, phenolic resin, polyurethane electronic potting glue, soft polyurethane foam, etc.; it can use it in various industries. It is commonly used in the manufacture of plastics, printing inks, lubricants, and adhesives.

It is used as a catalyst for acylation reactions, such as Friedel-Crafts reactions, alkylation of aromatic compounds, and acetylation of phenols.

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