Disodium pyrophosphate CAS NO.7758-16-9

Sodium Acid Pyrophosphate(SAPP) Chemical formula : Na2H2P2O7 Molecular weight: 221.95 Properties: White powder or granular;Relative density 1.86g/cm3;Soluble in water and insoluble in ethanol; If …

Sodium Acid Pyrophosphate(SAPP) Chemical formula : Na2H2P2O7 Molecular weight: 221.95 Properties: White powder or granular;Relative density 1.86g/cm3;Soluble in water and insoluble in ethanol; If its aqueous solution is heated together with diluted inorganic acid, it will be hydrolyzed into phosphoric acid; It is hydroscopic, and when absorbing humidity it will become into a product with hexa-hydrates; If it is heated at a temperature above 220, it will be decomposed into sodium meta phosphate. Packing and storage: Packed in 25kg,50kg,1000kgnet bage,store at a cool, dry and well ventilated place.