四钠pyrophosphate(tspp)

Sodium pyrophosphate (TSPP) [Synonyms]:sodium pyrophosphate, anhydrous [Chemical formula]: Na4P2O7[Molecular weight]: 265.90[Properties]: White powder, soluble in water, relative density is 2.45, melting point is 89, water solution is alkaline, PH value of 1% solution is 9.9-10.7.[Uses]: It is mainly used as detergent, electroplating etc. For food grade it is mainly used as food additive, nourishment etc.[Standard executed]HG/T2968-1999SpecificationsTechnical GradeMain content as Na4P2O796.0 minPH value of 1% solution9.910.7Water insoluble0.20 maxPhosphateThrough test[Packing]: Plastic-woven sack with polythene inner bag, Net weight 25kg.