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  • Sodium Pyrophosphate Tetrabasic (Na4P2O7)
  • 產品型號:101-7722-88-5

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Synonym: Sodium diphosphate tetrabasic, Tetrasodium pyrophosphate

Na4P2O7
M.W. 265.9
Appearance: White powder
Purity: 96.5-100.5%
Solubility: 6.23g in 100ml of water at 20℃, Clear colorless solution.
Insoluble in ethyl alcohol.


Sodium pyrophosphate tetrabasic, also called TSPP is used in the laboratory as a buffering agent. Has shown to be useful in the preparation of an EDTA-sodium pyrophosphate extraction buffer for microcystin analysis of soil samples. Sodium pyrophosphate dibasic also called, disodium pyrophosphate or DSPP has been used as a chelating agent in antimicrobial studies.

Store at Room Temperature.