... white powderMolecular Formula :Na5P3O10Molecular Weight :367.86 2.Specification : Tech. grade ItemIndustrial GradeNa5P3O1094.0% MinP2O557.0% MinWater Insoluble Matter0.10 ... auxiliary for dyeing; As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling ... softener or densifier in foodstuff industry. Best Quality Tech Grade STPP 94% min