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Substance:Calcium carbonate

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• Molecular formula: CCaO₃
• Molar mass: 100.087
• CAS Registry Number: 1317-65-3
• Appearance: Calcite, naturally occurring mineral, grains, approximately 0.06-0.19in; Calcium carbonate, Puratronic®, 99.997% (metals basis); Aragonite, naturally occurring mineral, grains, approximately 0.06-0.19in; Calcium carbonate, chelometric standard, ACS, 99.95-100.05%; Calcium carbonate, ACS, low in alkalies, 99.0% min; Calcium carbonate, ACS, 99.0% min; Calcium carbonate, 98%; Calcium carbonate, 99.5% (metals basis); Calcium carbonate, 99.95% (metals basis); Calcium carbonate, Puratronic®, 99.99% (metals basis); Calcite, naturally occurring mineral, grains, approximately 0.06-0.19in; Calcium carbonate, Puratronic®, 99.997% (metals basis); Aragonite, naturally occurring mineral, grains, approximately 0.06-0.19in; Calcium carbonate, chelometric standard, ACS, 99.95-100.05%; Calcium carbonate, ACS, low in alkalies, 99.0% min; Calcium carbonate, ACS, 99.0% min; Calcium carbonate, 98%; Calcium carbonate, 99.5% (metals basis); Calcium carbonate, 99.95% (metals basis); Calcium carbonate, Puratronic®, 99.99% (metals basis); Odorless, white powder.; white or colourless crystals or white powder or chunks
• Melting point: 800 to 825 °C
• Boiling point: Not available
• Solubility: 0.001%
• Safety sheet: Not available
• Spectra: Check on SDBS. Add Spectra (Help).

From Wikipedia

Calcium carbonate is a chemical compound with the formula CaCO₃. It is formed by three main elements: carbon, oxygen and calcium. It is a common substance found in rocks in all parts of the world, and is the main component of shells of marine organisms,snails, coal balls, pearls, and eggshells. Calcium carbonate is the active ingredient in agricultural lime, and is created when calcium ions in hard water react with carbonate ions creating limescale. It is commonly used medicinally as a calcium supplement or as an antacid, but excessive consumption can be hazardous.

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Other names

Calcium carbonate (IUPAC Name); Calcium monocarbonate