Tetra Sodium Pyrophosphate(TSPP)
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Post Date:
Apr 16,2013
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Expiry Date:
Oct 13,2013
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Detailed Description:
Cas No. :7722-88-5
Synonyms: tetrasodium pyrophosphate, sodium diphosphate, TSPP
Molecular formula: Na4P2O7
Molecular Weight: 265.9
Standard executed: HG2923-1999 (Food Grade)
CAS Number: 7722-88-5
Properties:Sodium pyrophosphate anhydrous is white powder form; Easy to absorb moisture and deliquesce， but insoluble in ethanol; Relative density 2.45g/cm3 and melting point 890 ; Deliquescent in the open air. Its aqueous solution shows weak alkalinity but will be hydrolyzed into di-sodium phosphate when boiled .
Sodium pyrophosphate 10H2O is white needle crystals and it soluble in water, insoluble in alcohol, aqueous solution is alkaline. Easy to weathered in dry air.
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CAS Registry Number:
7722-88-5
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Synonyms:
;Sodium pyrophosphate;Tetrasodium pyrophosphate;TSPP;Tetra Sodium Pyrophosphate;Tetrasodium Diphosohate;
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Molecular Formula:
Na4P2O7
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Molecular Weight:
265.9
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Molecular Structure:
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Hazard Symbols:
Xi:Irritant;
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Risk Codes:
R36/37/38:;
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Safety Description:
S26:;
S36:;
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