MF: Na5P3O10
CAS No.: 7758-29-4
EINECS No.: 231-838-7
Sodium tripolyphosphate, also known as pentasodium phosphate, sodium pyrometaphosphate, STPP, pentasodium tripolyphosphate. Its appearance is white powder crystal with good fluidity. The relative molecular mass is 367, and the melting point is 622 °C. It is easily soluble in water, and its aqueous solution is alkaline.
Sodium tripolyphosphate has the functions of chelating, suspending, dispersing, peptizing, emulsifying, pH buffering, etc. It can be used as the main auxiliaries for synthetic detergents, industrial water softeners, leather pretanning agents, dyeing auxiliaries, organic synthesis catalysts, pharmaceutical industry dispersants and food additives.
