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Cesium Chloride (CsCl)-Powder

  • 7647-17-8
  • CsCl
  • 551700PD
  • 99.9%
  • Crystalline
  • 231-600-2

Caesium chloride or cesium chloride is the inorganic compound with the formula CsCl. This colorless solid is an important source of caesium ions in a variety of niche applications. 


Chemical formula:CsCl

Molar mass:168.36 g/mol

Appearance:white solid hygroscopic

Density:3.988 g/cm3

Melting point:646 °C (1,195 °F; 919 K)

Boiling point:1,297 °C (2,367 °F; 1,570 K)

Solubility in water:1910 g/L (25 °C)

Solubility:soluble in ethanol


  1. Used as an analytical reagent, such as for microscopic analysis and spectral analysis.It is also used in the pharmaceutical industry, the manufacture of cesium salts, X-ray screens and photocell materials.

  2. Fixed liquid for drop analysis of trivalent chromium and gallium, high temperature chromatographic analysis of diphenyl and triphenyl.It is used for producing cesium metal, cesium salt and as raw material for single crystal of cesium.