Tetra Potassium Pyrophosphate

Potassium tetrapyrophosphate is a whitish-colored powdered solid. It is toxic by ingestion, and/or inhalation. Contact with the substance should be avoided.

Synonyms
Diphosphoric Acid Tetrapotassium Salt, E 450, Tetrapotassium Pyrophosphate, Tetrapotassium Pyrophosphate Food Grade, TKPP
Chemical Formula
K4P2O7
CAS Number
7320-34-5

Characteristics

Molar Weight
330.34 g/mol
Melting Point
-50.0°C
Boiling Point
230.0°C
Density
1.74 g/cc
Forms
Liquid, Viscous, Liquid (clear), Colourless

Uses and Applications

Key applications

  • Buffer agent
  • Food and Nutrition
  • Water treatment
  • Emulsifying agent