Tris(1-chloro-2-propyl) phosphate(TCPP)

Basic Info:

  • Chemical Synonym(s): tris(1-chloropropan-2-yl) phosphate; Phosphoric acid tris(2-chloro-1-methylethyl) ester; Tris(1-Chloro-2-Propyl) Phosphate;
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  • CAS Number: 13674-84-5
  • Chemical Formula:


  • MSDS: Download


1.281 g/cm3
Boiling Point
358.5ºC at 760 mmHg
Flash Point
Refractive Index
Refractive index
1.460~1.466 (20℃/D)
-218 °C
Storage temp.
Sealed in dry,Room Temperature
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We help you source Tris(1-chloro-2-propyl) phosphate(TCPP) in China

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China currently plays a very important role in the world market for plastic additives, with 168, 1010, DSTDP, DLTDP, 977 and 365 being the most produced products in the world.
The price of plastic additives varies significantly with oil, while the cost correlation between antioxidants and palm oil is high.
Since 2020, the number of black swan events in the world has increased, resulting in dramatic changes in raw material prices.
Companies such as UPP, SONGWON, PMC, LG, etc. have been alerted by us in time and have avoided many losses.

We have a 20+ year track record of working with suppliers in China and rating reports on them, and we keep our suppliers updated with the latest news so our customers can get the latest supplier reports. We know the market well and have early warning notifications on upstream raw material prices to help you build a stable supply chain.

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Tris(1-chloro-2-propyl) phosphate(TCPP) is a water-soluble, colorless solid. This colorless liquid is a useful precursor to the more common building-block chemical tri-n-propylphosphine oxide.

It is also of interest as a flame-retardant, especially in the production of certain types of polymers.

It is classified as an “Ecotoxicant” (a chemical that degrades into products that do not harm the environment). 

It is also an endocrine disruptor, potentially harmful to humans. It has the potential to be carcinogenic, neurotoxic, and to cause reproductive health problems. It is harmful to the respiratory system, liver, gastrointestinal system, and skin. 


Tris(1-chloro-2-propyl) phosphate(TCPP) is a chemical compound considered a possible replacement for phthalates, a common plasticizer used in many plastics and cosmetics.

It is considered to be a green alternative as it is not as harmful as phthalates.

It is one of the chemicals used as a flame retardant. Its commercial production began in 1964.

Its applications include flame retardants, flexible polyurethane foams, rigid polyurethane foams, polyamide elastomers, polytetrafluoroethylene, polydimethylsiloxane, polysulfone, polyetherimide, polybenzimidazole, glass fiber and glass cloth.

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