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Tripotassium phosphate

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Tripotassium phosphate

Tripotassium phosphate
Names
IUPAC name
Tripotassium phosphate
Other names
Potassium phosphate, tribasic
Identifiers
 YesY
ChemSpider  YesY
Jmol-3D images Image
PubChem
Properties
K3PO4
Molar mass 212.27 g/mol
Appearance White deliquescent powder
Density 2.564 g/cm3 (17 °C)
Melting point 1,380 °C (2,520 °F; 1,650 K)
90 g/100 mL (20 °C)
Solubility in ethanol Insoluble
Basicity (pKb) 1.6
Hazards
Main hazards Irritant
Safety data sheet MSDS
R-phrases R36-R38
S-phrases S26-S36
NFPA 704
0
2
0
Flash point Non-flammable
Related compounds
Other cations
Trisodium phosphate
Triammonium phosphate
Tricalcium phosphate
Related compounds
Monopotassium phosphate
Dipotassium phosphate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
 YesY  (: YesY/N?)

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

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