Tripotassium phosphate

Tripotassium phosphate
IUPAC name

Tripotassium phosphate
Identifiers
CAS number 7778-53-2 Y
PubChem 62657
ChemSpider 56408 Y
Jmol-3D images Image 1
Properties
Molecular formula K3PO4
Molar mass 212.27 g/mol
Appearance white powder
deliquescent
Density 2.564 g/cm3 (17 °C)
Melting point

1380 °C
Solubility in water 90 g/100 mL (20 °C)
Solubility insoluble in alcohol
Basicity (pKb) 1.6
Hazards
MSDS "http://hazard.com/msds/mf/baker/baker/files/p6060.htm"
EU Index Not listed
R-phrases R36, R38
S-phrases S26, S36
Main hazards Irritant
NFPA 704
0
2
0
Flash point Non-flammable
Related compounds
Other cations Trisodium phosphate
Triammonium phosphate
Related compounds Monopotassium phosphate
Dipotassium phosphate
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Tripotassium phosphate is a water-soluble ionic salt which has the chemical formula K3PO4. It is used as a food additive for its properties as an emulsifier, foaming agent and whipping agent.[1] In combination with fatty acids, it is a potential antimicrobial agent in poultry processing.[2] As a fertilizer, its proportions of N, P2O5, and K2O are 0-33-67.

References

  1. ^ NutritionData Food Additive Identifier – NutritionData.com
  2. ^ IngentaConnect Microbicidal Activity of Tripotassium Phosphate and Fatty Acids t