Potassium Tripolyphosphate

Potassium Tripolyphosphate TG (KTPP) is a hygroscopic white material, granular or powder, soluble in water, which gives moderately alkaline solutions. It is an excellent sequestering agent and dispersant with applications in detergents, paints and coatings, elastomers and paper processing etc.


Molar Weight448.41 g/mol
Boiling Point1500.0°C
FormsPowder (dry)

Uses and Applications

Key applications

  • Buffer agent
  • Water treatment
  • Detergent
  • Bleaching agent
  • Paint and Coatings


  • Cleaning
  • Water Treatment
  • Coatings & Construction

Synonyms: Pentapotassium triphosphate, Potassium tripolyphosphate, potassium triphosphate, Triphosphoric acid, pentapotassium salt, Potassium triphosphate (K5P3O10), Potassiumtriphosphate, potassium tri phosphate, Triphosphoric acid, potassium salt (1:5)

Chemical Formula: K5O10P3

CAS Number: 13845-36-8