What is the Difference Between Trisodium Phosphate and Tripotassium Phosphate?

The main difference between trisodium phosphate and tripotassium phosphate lies in their chemical composition and properties. Here are the key differences between the two:

1. Chemical Formula: Trisodium phosphate has the chemical formula Na3PO4, while tripotassium phosphate has the chemical formula K3PO4.
2. Cations: Trisodium phosphate contains sodium cations (Na+), while tripotassium phosphate contains potassium cations (K+).
3. Appearance: Trisodium phosphate appears as white granules, while tripotassium phosphate appears as a white deliquescent powder.
4. Molar Mass: The molar mass of trisodium phosphate is 163.94 g/mol, while the molar mass of tripotassium phosphate is 188.34 g/mol.
5. Uses: Both compounds are used as food additives, but they serve different purposes. Tripotassium phosphate is used for its properties as a foaming agent, emulsifier, and whipping agent, and it is also used to regulate the acidity of certain foods, especially cereals. Trisodium phosphate, on the other hand, is widely used as a food additive, flavor enhancer, and preservative in various processed foods.

In summary, trisodium phosphate and tripotassium phosphate are ionic salts with different chemical formulas and cations, resulting in distinct appearances and uses in food additives.

Comparative Table: Trisodium Phosphate vs Tripotassium Phosphate

Trisodium phosphate and tripotassium phosphate are both inorganic, ionic salts with different chemical formulas and appearances. Here is a comparison table of the two compounds:

Both salts are used in various industrial and household applications, but they have different properties and appearances.