Caesium chromate

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Caesium chromate
Identifiers
CAS number 13454-78-9
PubChem 61613
ChemSpider 55521
EC number 236-640-4
Jmol-3D images Image 1
Properties[1]
Molecular formula CrCs2O4
Molar mass 381.80 g mol−1
Appearance Yellow crystalline solid
Density 4.237 g/cm3
Solubility in water 71.4 g/100 ml (13 °C)
Hazards
EU Index 024-017-00-8
Flash point Non-flammable
Related compounds
Other anions Caesium sulfate
Other cations Sodium chromate
Potassium chromate
Ammonium chromate
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Caesium chromate, the caesium salt of chromic acid, is used to produce caesium vapour by reaction with silicon, boron, or titanium,[2] which is used to in the final stages of creating vacuum tubes; the caesium vapour reacts with the remaining gases, including nitrogen and oxygen.[3]

References[edit]

  1. ^ Weast, Robert C., ed. (1981). CRC Handbook of Chemistry and Physics (62nd ed.). Boca Raton, FL: CRC Press. p. B-91. ISBN 0-8493-0462-8. .
  2. ^ Liebhafsky, H. A.; Winslow, A. F. (1947), "Cesium Chromate Photo‐Tube Pellets", Journal of Applied Physics (Journal of Applied Physics, Vol. 18, No. 12) 18 (12): 1128, doi:10.1063/1.1697594 
  3. ^ Emsley, John (2001), Nature's Building Blocks: An A-Z Guide to the Elements, Oxford University Press, p. 81, ISBN 0-19-850340-7 .