Cesium chromate
- CAS number
- 56320-90-2
- Molecular weight
- 381.83
- Molecular formula / chemical symbol
- Cs2CrO4
Description
Caesium chromate, the caesium salt of chromic acid, is used to produce caesium vapour by reaction with silicon, boron, or titanium, which is used to in the final stages of creating vacuum tubes; the caesium vapour reacts with the remaining gases, including nitrogen and oxygen.
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Caesium chromate |
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Identifiers |
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Jmol-3D images |
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Properties[1] |
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CrCs2O4 |
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381.8 g mol?1 |
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Appearance |
Yellow crystalline solid |
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4.237 g/cm3 |
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Solubility in water |
71.4 g/100 ml (13 °C) |
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Hazards |
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EU Index |
024-017-00-8 |
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non-flammable |
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Related compounds |
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Other anions |
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Other cations |
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
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USES
Manufacturing
a metallic cesium, photomultiplier tube, and the photocathode, microwave night
vision technologies, special electric light additive.
Keywords:Electronic chemicals
Report
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Product name |
Cesium chromate |
CAS：56320-90-2 |
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Description |
Yellow crystalline solid |
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TEST ITEMS |
TEST RESULTS |
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Cs2CrO4 |
≥99.9％ |
≥99.5％ |
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Na |
≤0.0005％ |
≤0.2％ |
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K |
≤0.001％ |
≤0.02％ |
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Rb |
≤0.001％ |
≤0.03％ |
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Fe |
≤0.0005％ |
≤0.002％ |
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Al |
≤0.0005％ |
≤0.002％ |
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Pb |
≤0.0005％ |
≤0.001％ |
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Ba |
≤0.0005％ |
≤0.001％ |
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