Caesium chromate
Appearance
Identifiers | |
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3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.033.296 |
EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
CrCs2O4 | |
Molar mass | 381.803 g·mol−1 |
Appearance | Yellow crystalline solid |
Density | 4.237 g/cm3 |
71.4 g/100 ml (13 °C) | |
Hazards | |
Flash point | non-flammable |
Related compounds | |
Other anions
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Caesium sulfate |
Other cations
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Sodium chromate Potassium chromate Ammonium chromate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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
- ^ 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..
- ^ Liebhafsky, H. A.; Winslow, A. F. (1947), "Cesium Chromate Photo‐Tube Pellets", Journal of Applied Physics, 18 (12), Journal of Applied Physics, Vol. 18, No. 12: 1128, doi:10.1063/1.1697594
- ^ Emsley, John (2001), Nature's Building Blocks: An A-Z Guide to the Elements, Oxford University Press, p. 81, ISBN 0-19-850340-7.