Aluminum Tripolyphosphate Quick Details Product Name:� Aluminum Tripolyphosphate CAS NO: 13939-25-8 Formula:� AlH2P3O10 Appearance: White Powder Aluminum Tripolyphosphate Technical specifications: Item Unit Specification Whiteness % 85-90 Al2O3 wt.% 10-20 P2O5 wt.% 30-40 Moisture wt.% Max1.5 Oil absorption ml/100g 25-35 The PH Value â?? 6-7 Residue on sieve (800�¼m)% wt.% Max0.5