Tetra sodium pyrophosphate Molecular formula: Na 4 P 2 O 7 Molecular Weight: 265.9 Standard executed: HG/T2968-1999(Technical Grade)
GB8848-88(Food Grade) CAS Number: 7722-88-5 Properties: White powder; Soluble in water but insoluble in ethanol; Relative density 2.45g/cm 3 and melting point 890 ?? ; Deliquescent in the open air. Its aqueous solution shows weak alkalinity and is stable at 70 ?? but will be hydrolyzed into di-sodium phosphate when boiled . Uses: Applied in industries of detergents as detergent auxiliary, paper production to bleach and electroplating; In food industry it is used as buffering agent, emulsifier, nutrition ingredients and quality improver. Packing and storage:
In 25kg,50kg,1000kg net bage,store at a cool,dry and well ventilated place.