Potassium phosphate

File:Monopotassium phosphate.png

Monopotassium phosphate

File:Dipotassium phosphate.png

Dipotassium phosphate

File:Tripotassium phosphate.png

Tripotassium phosphate

Potassium phosphate is a generic term for the salts of potassium and phosphate ions including:

• Monopotassium phosphate (KH₂PO₄) (Molar mass approx: 136 g/mol)
• Dipotassium phosphate (K₂HPO₄) (Molar mass approx: 174 g/mol)
• Tripotassium phosphate (K₃PO₄) (Molar mass approx: 212.27 g/mol)

As food additives, potassium phosphates have the E number E340.

References

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