Magnesium Chloride (MgCl2)-Beads introduce:
Magnesium chloride is the name for the chemical compound with the formula MgCl2 and its various hydrates MgCl2(H2O)x. These salts are typical ionic halides, being highly soluble in water.
Molar mass：95.211 g/mol (anhydrous);203.31 g/mol (hexahydrate)
Appearance：white or colourless crystalline solid
Density：2.32 g/cm3 (anhydrous);1.569 g/cm3 (hexahydrate)
Melting point：714 °C (1,317 °F; 987 K) 117 °C (243 °F; 390 K) (hexahydrate);on rapid heating: slow heating leads to decomposition from 300 °C (572 °F; 573 K)
Boiling point：1,412 °C (2,574 °F; 1,685 K)
Solubility in water：anhydrous 52.9 g/100 mL (0 °C);54.3 g/100 mL (20 °C);72.6 g/100 mL (100 °C)
hexahydrate:235 g/100 mL (20 °C)
Solubility：slightly soluble in acetone, pyridine
Solubility in ethanol:7.4 g/100 mL (30 °C)
Magnetic susceptibility (χ):−47.4·10−6 cm3/mol
It is widely used as a source of magnesium ion, co-factor for many enzymes, for dust control and road stabilization. Also used in wastewater treatment, wallboard, artificial seawater, feed supplement, textiles, paper, fireproofing agents, cements and refrigeration brine. It is an important coagulant, an elution buffer for antibody affinity column purifications.
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