Anhydrous: It is used to produce sodium hexametaphosphate. It is used for leather making, boiler water treatment and electroplating. It is used as detergent, metal cleaning agent and precipitant of dyes and pigment. It is used as quality improvers in the food industry.
Dihydrate: It is used to improve water retention in the food industry. It is used as a buffer in technical industry to regulate the acidity and alkalinity of solutions.



