... Formular: Na5P3O10 CAS No.: 13573-18-7 Appearance: White powder or granular; STPP sodium tripolyphosphateSpecifications1,Manufacturer of Sodium Tripolyphosphate (STPP) 2,Free ... Na5P3O10 Molecular weight: 367.86 1, Properties: White microdot powder with luster, melting point at 622 o C, easily soluble ... inner bag; Net weight 25kg, 50kg or 1000kg; Keep away from water or moisture, do not pile up in the ...