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  • 25 Kg Bag

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CAS-No. 9000-11-7

ChemSpider ID:


Molecular Formula: Variable

ph: 10:32

Moisture 04.01%

Degree of substitution DS-DS 0:51


Soluble in water

Viscosity (CP) 45

CAS Number 471-34-1

PubChem 10112

EC- Number 207-439-9

Molecular Formula CaCO3

Molecular Mass 100.0869 g / mol

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Density 2,711 g / cm3 (calcite) - 2,83 g / cm3 (aragonite)

Melting point 1339 oC (Calcite) - 825 oC (Aragonite)

Solubility (In water) 0.013 g / L (25 oC)

Solubility (in diluted acid)


Acidity 9

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General Information

Calcium carbonate is a type of chemical compound that is popularly known as limestone. Its compound formula is CaCO3. This compound is most commonly found in ancient rocks and seashells. While calcium carbonate is a member of antacids, its excess is biologically harmful.

Production And Reactions

Calcium carbonate has almost the same properties as other types of carbonate. Carbon dioxide gas is released when it encounters strong acids:
   CaCO3 (k) + 2HCl (s) → CaCl2 (s) + CO2 (g) + H2O (s)

Calcium carbonate, which also warms up to 840 ° C, releases carbon dioxide, and enthalpy with an energy of 178 kJ / mol creates calcium oxide and carbon dioxide:
    CaCO3 → CaO + CO2

Usage areas


It is used to bind phosphorus in foods and balance phosphate compounds in chronic kidney failure cases that have lost kidney function and cannot remove the phosphorus in the blood through the urinary tract.


It is used as an additive and in soy milk under the name E170.

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