Trisodium Phosphate (TSP) (Anhydrous & Dodecahydrate) Industrial ,Na3PO4,(Anhydrous) Main contents% ≥ 98.0 Phosphorus pentoxide% ≥ 39.5 Sodium oxide, as Na2O% ≤ 36-40 Water insoluble% ≤ 0.10 Na3PO4.12H2O (Dodecahydrate) Main contents% ≥ 98.0 Phosphorus pentoxide% ≥ 18.3 Sodium oxide, as Na2O% ≤ 15.5-19 Sulfate, as SO4 % ≤ 0.5 Water insoluble% ≤ 0.10 You are welcome to send me your specify inquiry any time!