... .Loss on Drying0.7% Max.Functions:Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning ... agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling ... softener Feed additives Sodium Tripolyphosphate STPP Cas 7758-29-4, Synthetic Wash Food Additives Na5P3O10