... .Used as water-softener,boiler scale remover, metalion complexer,and quality improver for tinned food and juice.2.Also applied in ... it is used as buffering agent,emulaifer,nutrition ingredients and quality improver.Sodium Pyrophosphate Properties:White powder,soluble in water but ... %max As As0.0003%max We have stable supplier, high quality of material.We have special after-sale service team.Tel ...