Acids & Salts Available to Source

Tetrapotassium Pyrophosphate

CAS 7320-34-5 · MF K4O7P2 · MW 330.34 g/mol · UN 3288 (POTASSIUM TETRAPYRO PHOSPHATE)

Tetrapotassium Pyrophosphate (TKPP) is a potassium-based pyrophosphate salt similar to its sodium counterpart. It functions as a buffering agent, emulsifier,

SDS / TDS Download
CAS Number
7320-34-5
Molecular Formula
K4O7P2
Molecular Weight
330.34 g/mol
Material Family
Acids & Salts
Physical Properties
melting_point
1090 u00b0C
solubility
Soluble in water, insoluble in ethanol
ph
Between 10,0 and 10,8 (1 % solution)
GHS / SDS Safety Warning
Irritant
  • H319 (96.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Chemical Identity
CAS Number7320-34-5
IUPAC Nametetrapotassium;phosphonato phosphate
InChI KeyRYCLIXPGLDDLTM-UHFFFAOYSA-J
PubChem CID 23740
INCI NameTETRAPOTASSIUM PYROPHOSPHATE
Synonyms & Trade Names
Potassium pyrophosphate Potassium diphosphate TKPP Diphosphoric acid, tetrapotassium salt TETRAPOTASSIUM PYROPHOSPHATE Tetrapotassium diphosphorate Pyrophosphoric acid, tetrapotassium salt B9W4019H5G RefChem:897424 DTXCID1016446 Tetrapotassium diphosphate Diphosphoric acid, potassium salt tetrapotassium;phosphonato phosphate Potassium pyrophospate
Full Description

Tetrapotassium Pyrophosphate (TKPP) is a potassium-based pyrophosphate salt similar to its sodium counterpart. It functions as a buffering agent, emulsifier,