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Element Index
Cadmium
Calcium
Carbon
Cerium
Chlorine
Chromium
Cobalt
Copper
Hydrogen
Chemical's truth
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In December 1984, methyl isocyanate was accidentally released in a chemical plant at Bhopal, India, killing around 6000 people. |
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Calcium sulfate, anhydrous
CAS no: 7778-18-9 Formula: CaSO4 Molecular weight: 136.142
Physical Data
Appearance: Orthorhombic crystals
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Melting point: 1460°C
Boiling point: -
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Density: 2.96 g/cm3
Solubility: 0.205 g/100 g H2O
Solubility product, Ks: 4.93 x 10-5
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Thermodynamic Data
Enthalpy of formation: -1434.5 kJ/mol
Gibbs energy of formation: -1322 kJ/mol
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Entropy: 106.5 J/mol K
Heat capacity: 99.7 J/mol K
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Production and preparation
Natural form is known as anhydrite, anhydrous sulfate of lime or anhydrous gypsum.
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Behavior and Chemical Properties
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History and Uses
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Hazard, Storage and Handling
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(Last update: March 2003) |
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