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Tripotassium Phosphate Food Grade

Product Information

CAS Number

7778-53-2

Other Names

Phosphoric Acid, Tripotassium Salt
Tripotassium Phosphate
Potassium Phosphate

Tripotassium Phosphate Food Grade

Sobre Tripotassium Phosphate Food Grade

Tripotassium phosphate (K₃PO₄) is the fully neutralised potassium salt of phosphoric acid, produced by reacting phosphoric acid with potassium hydroxide. It is supplied as a white granular or powdered solid that is hygroscopic, highly soluble in water and strongly alkaline in solution, typically giving a pH above 11. The food grade product meets food chemical codex specifications and is used where both alkalinity and a source of potassium are needed without introducing sodium. It is also listed as potassium phosphate tribasic or phosphoric acid tripotassium salt, and is commonly supplied as the anhydrous granular grade.

Tripotassium Phosphate Uses

Dairy and Processed Cheese

Tripotassium phosphate acts as an emulsifying salt in processed cheese, sequestering calcium from the casein network so the protein disperses evenly. The result is a smooth, homogeneous product with controlled melt characteristics and no fat separation during processing or reheating.

Coffee Creamers and Beverages

In non dairy creamers, the salt buffers acidity so the creamer disperses cleanly in hot coffee without feathering or curdling. It is also used to stabilise pH in beverages, protein drinks and instant powders, and to improve solubility of the finished powder.

Meat and Poultry Processing

Added to brines and marinades, tripotassium phosphate raises pH away from the isoelectric point of meat protein, which improves water binding. Processors use it to lift cook yield, reduce purge and maintain tenderness and juiciness in cured and marinated products.

General Food Manufacturing

The compound serves as an alkalinity source in cocoa processing and noodle production, a sequestrant for trace metals that would otherwise catalyse oxidation, and a yeast and microbial nutrient in fermentation. It also allows potassium fortification in reduced sodium formulations.

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