1, Chemical Name: Sodium Tripolyphosphate, Sodium Triphosphate 2, M. F:Na5P3O10 3, M.W:367.86 4, Physical properties : White microdot powder with luster, melting point at 622, easily soluble in water , with remarkable chelating ability to some metal ions such as Ca2+, Mg2+, can soften hard water, change suspension into solution, alkalescent, without causticity. 5, Quality standard: (QB1034-1991, FCC-iv, GB/T9983-2004) Name of index QB1034-1991 FCC-Ⅳ GB/T9983-2004 Sodium Tripolyphosphate ≥% 95 85 95 P2O5 ≥% 57 - 57 Fluoride (as F) ≤% 0.003 0.005 - Arsenic (As) ≤% 0.0003 0.0003 - Heavy Metal (as Pb) ≤% 0.001 0.001 - Chloride (as Cl) ≤% 0.025 - - Sulfate (as SO42-) ≤% 0.4 - - Water Insoluble ≤% 0.05 0.1 0．05 pH (1% aqueous solution) 9.5 -10.0 - 9.5-10.0 Whiteness ≥% 85 - 80 Pb ≤% - 0.0002 - 6, Usage:Used as moisture conservative. Applied to can, fruit drinks, milk products, vegetable protein drinks, instant noodles, meat products, and so on. 7, Packing: It is packed with ployethylene bags as line-r , and a woven bag as the outer layer. The net weight of each bag is 25kg. 8, Storage and transport: It should be stored in a dry . ventilative and clean warthouse; kept away from moisture and hot, Furthermore, it should be stored separstely from poisonous Substances.