... (NaPO3)3 1,Technical grade 2,White powder or crystal 3,Great quality In the line ... TrimetaphosphateChemical formula:(NaPO3)3 Molecular Weight:305.92Properties:White crystal or powder, melting point at 627.6oC. Relative ... chloride in water and become 6 H2O salt crystal.The PH value of 1% water is about ... . Packing: 25kgs net paper bags or 25kgs net plastic woven bags Industrial Sodium Trimetaphosphate