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Characteristic
Calcium bromide is the name for compounds with the chemical formula CaBr2(H2O)x. Individual compounds include the anhydrous material (x = 0), the hexahydrate (x = 6), and the rare dihydrate (x = 2). All are white powders that dissolve in water, and from these solutions crystallizes the hexahydrate.
Chemical formula: CaBr2
Molar mass: 199.89 g/mol
Appearance: anhydrous is hygroscopic colorless crystals; sharp saline taste
Density: 3.353 g/cm3
Melting point: 730 °C (1,350 °F; 1,000 K)
Boiling point: 1,815 °C (3,299 °F; 2,088 K)
Solubility in water: 125 g/100 mL (0 °C); 143 g/100 ml (20 °C); 312 g/100 mL (100 °C)
Solubility in alcohol, acetone: soluble
Acidity (pKa): 9
Magnetic susceptibility (χ): -73.8•10−6 cm3/mol
Application
Calcium bromide is a dehydrating agent used in photography, food preservatives, wood preservatives, fire retardants and freezing mixtures. It is used as an oxidizer for mercury emissions control. It is widely used for the preparation of drilling fluids, completion fluids and drilling muds formulations. It also finds application in the manufacture of mineral water.
Characteristic
Calcium bromide is the name for compounds with the chemical formula CaBr2(H2O)x. Individual compounds include the anhydrous material (x = 0), the hexahydrate (x = 6), and the rare dihydrate (x = 2). All are white powders that dissolve in water, and from these solutions crystallizes the hexahydrate.
Chemical formula: CaBr2
Molar mass: 199.89 g/mol
Appearance: anhydrous is hygroscopic colorless crystals; sharp saline taste
Density: 3.353 g/cm3
Melting point: 730 °C (1,350 °F; 1,000 K)
Boiling point: 1,815 °C (3,299 °F; 2,088 K)
Solubility in water: 125 g/100 mL (0 °C); 143 g/100 ml (20 °C); 312 g/100 mL (100 °C)
Solubility in alcohol, acetone: soluble
Acidity (pKa): 9
Magnetic susceptibility (χ): -73.8•10−6 cm3/mol
Application
Calcium bromide is a dehydrating agent used in photography, food preservatives, wood preservatives, fire retardants and freezing mixtures. It is used as an oxidizer for mercury emissions control. It is widely used for the preparation of drilling fluids, completion fluids and drilling muds formulations. It also finds application in the manufacture of mineral water.
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