කැල්සියම් කාබනේට්.
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Names | |||
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IUPAC name Calcium carbonate | |||
වෙනත් නාම Limestone; calcite; aragonite; chalk; marble; pearl | |||
Identifiers | |||
CAS number | 471-34-1 | ||
ChemSpider | 9708 | ||
RTECS number | FF9335000 | ||
SMILES |
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InChI |
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InChI key |
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Properties | |||
Molecular formula | CaCO3 | ||
Exact mass | 100.0869 g/mol | ||
Appearance | Fine white powder | ||
Density | 2.71 g/cm3 (calcite) 2.83 g/cm3 (aragonite) | ||
Melting point | 825 °C (calcite) | ||
Boiling point | decomposes | ||
Solubility in water | 0.00015 mol/L (25 °C) | ||
Solubility product, Ksp | 4.8×10−9 | ||
Solubility in dilute acids | soluble | ||
Acidity (pKa) | 9.0 | ||
Solubility product, Ksp | 1.59 | ||
Structure | |||
Crystal structure | Trigonal | ||
Space group | 32/m | ||
Hazards | |||
Flash point | {{{value}}} | ||
Related compounds | |||
Other anions | Calcium bicarbonate | ||
Other cations | Magnesium carbonate Strontium carbonate Barium carbonate | ||
Related compounds | Calcium sulfate | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). |
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