TETRASODIUMPYROPHOSPHATEHYDROUS(TSPP) Molecularformula::Na4P2O7.10H2O MolecularWeight:446.06 Properties:Whitepowder;relativedensity2.45andmeltingpoint890. CASNo.:13472-36-1 Uses:asdetergentauxiliary,paperproductiontobleachandelectroplating;Infoodindustryasbufferingagent,emulsifier,nutritioningredientsandqualityimprover. Packing:Packedin25kgnetWPP/PEbags. TechnicalSpecifications: Specifications Techgrade FoodGrade Assay 98.0%min 98.0%MIN Heavymetal 0.001%max 0.001%max As - 0.0003%max Fluoride - 0.003%max pH 9.9-1.07 9.9-1.07 Whiteness 90min 90min Water-insolublesubstances 0.10%max 0.10%max Lossonignition 38-42% 38-42% Mail：millyysm@163.com/minichem@hotmail.com Tel：868382222376 Web：www.cxchem.net