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) 6、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. 7、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.