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Sodium Pyrophosphate

Tetrasodium pyrophosphate,TSPP,tetrasodium phosphate
Production Information
PROPERTIES
Properties  
Chemical formula Na4O7P2
Density 2.534 g/cm3
Molar mass 265.90 g·mol−1
Melting point 988 °C (1,810 °F; 1,261 K) (anhydrous)
  79.5 °C (decahydrate)
Boiling point decomposes