Other

Antifreeze
Ingredients Phosphate Function
Dipotassium Phosphate
Disodium Phosphate		 Freezing point suppression to improve use at low temperatures.
Industrial Plastics
Ingredients Phosphate Function
Tetrapotassium Pyrophosphate
Tetrasodium Pyrophosphate
Tricalcium Phosphate		 Catalyst for butadiene and styrene
Polystyrene particle size control
Oil Drilling
Ingredients Phosphate Function
Sodium Hexametaphosphate
Sodium Acid Pyrophosphate		 Make drilling muds more flowable
Organic Synthesis
Ingredients Phosphate Function
Polyphosphoric Acid Production of phosphate esters and catalysts in organic reactions; Synthesis of pigments or dyes
Wool Dyeing
Ingredients Phosphate Function
Diammonium Phosphate Control of pH in dye bath to allow even penetration of dye through the wool