1 MOQ=5MT 2 we are Manufacturer 3 fine white powder 4 fast shipment Sodium pyrophosphateChemical formula Na4P2O7Molecular weight 265.90Properties White powder, soluble in water, but non-soluble in alcohol ;PH value of 1% solution is at 8.0,solution is slightly alkaline;relative density at 2.45,and melting point at 890.Application Used as assistant to detergent,for bleaching in paper-making,used ...