... compound used in a large variety of household cleaning 1)STPP tech grade Assay:95%min,P2O5:57%min,PH:9 ... .1%max.Packing:25kgs plastic woven bags, 22mts/20'fcl2)STPP tech grade food gradeMolecular formula: Na5P3O10, Molecular weight: 367.86Assay ... %max.Cl: 0.003%max, Heavy metal (as Pb):0.001%maxAs: 0.0003%max, F:0.003%maxPacking:25kgs plastic ...