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CAS No 7320-34-5 , tetrapotassium

  • Name: tetrapotassium
  • Synonyms: Diphosphoric acid; tetrapotassium salt; Potassium diphosphate; TKPP;phosphonato phosphate; Tetrapotassium diphosphorate; Tetrapotassium diphosphate; 7320-34-5;Potassium pyrophosphate;tetrapotassium;
  • CAS Registry Number:
  • Boiling Point: >1500
  • Density: 2.534
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • EINECS: 230-785-7
  • Molecular Weight: 330.336524
  • InchiKey: RYCLIXPGLDDLTM-UHFFFAOYSA-J
  • InChI: InChI=1S/4K.H4O7P2/c;;;;1-8(2,3)7-9(4,5)6/h;;;;(H2,1,2,3)(H2,4,5,
    6)/q4*+1;/p-4
  • Risk Statements: S26;S36
  • Molecular Formula: K4O7P2
  • Molecular Structure:CAS No:7320-34-5 tetrapotassium

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References of tetrapotassium
Title: Potassium Pyrophosphate
CAS Registry Number: 7320-34-5
CAS Name: Diphosphoric acid tetrapotassium salt
Molecular Formula: K4O7P2
Molecular Weight: 330.34
Percent Composition: K 47.34%, O 33.90%, P 18.75%
Line Formula: K4P2O7
Literature References: Manuf: Faith, Keyes & Clark's Industrial Chemicals, F. A. Lowenheim, M. K. Moran, Eds. (Wiley-Interscience, New York, 4th ed., 1975) pp 684-687.
 
Derivative Type: Trihydrate
Properties: Colorless, deliquesc granules or cryst mass; freely sol in water; insol in alcohol. The aq soln is alkaline.
 
Use: In detergents and surfactants; in water treatment; in drilling muds as a clay thinner.