Sodium Tripolyphosphate, Sodium Triphosphate STPP food grade high quality MOQ:20MT 1Chemical Name: Sodium Tripolyphosphate, Sodium Triphosphate 2M. F:Na5P3O10 3M.W:367 ... to some metal ions such as Ca2+Mg2+,can soften hard water,change suspension into solution,alkalescent ... T9983-2004) 6Usage: Used as moisture conservative. Applied to can, fruit drinks, milk products, vegetable protein drinks, instant ...