... Tel:86-13783524876 Sodium Pyrophosphate Usage: 1.Used as water-softener,boiler scale remover, metalion complexer,and quality improver ... quality improver.Sodium Pyrophosphate Properties:White powder,soluble in water but insoluble in ethanol.Relative density:2.534, ... , high quality of material.We have special after-sale service team.Tel:86-13783524876 Sodium PyrophosphateTSPP Used as water-softener