Tris(1.3-dichloro-2-propyl) phosphate (TDCPP)

Basic Info:

  • Chemical Synonym(s): Tris(1,3-dichloro-2-propyl) phosphate; Phosphoric Acid Tris(1,3-dichloro-2-propyl) Ester; Tris(1,3-dichloropropan-2-yl) phosphate; 1,3-Dichloro-2-propanol phosphate (Phosphoric acid tris(1,3-dichloro-2-propyl ester);
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  • CAS Number: 13674-87-8
  • Chemical Formula:


  • MSDS: Download


Boiling Point
Melting Point
Flash Point
Refractive index
n20/D 1.503
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Tris(1.3-dichloro-2-propyl) phosphate (TDCPP) is a chlorinated organophosphate and a colorless liquid.

It is soluble in benzene and chloroform, sparingly soluble in ethanol and insoluble in water. And is used as a chlorinating agent and as an intermediate in producing other chemicals such as detergents. 

It is a commercial herbicide and a commercial pesticide. It is so toxic that one single drop of it can kill fish in a small pond. It is also used to synthesize other chemicals.

It is also used in the manufacture of plastics to give them flame retardant qualities. It is primarily used to increase the stability of PVC (polyvinyl chloride) products. 


Tris(1.3-dichloro-2-propyl) phosphate (TDCPP) is a flame retardant widely used in the plastic and textile industries.

The flame retardant property of the material is due to its reduction of the material's combustion rate. It is used to produce a range of products from plastic bags to packaging to safety-related equipment, such as gas masks.

It is also used to produce the very thin, light foil material used in 100-watt light bulbs.

It is also an organophosphate insecticide used in agriculture to prevent the spread of pests in the field.  And it is practically non-toxic to fish and birds.

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