Potassium Chloride (KCl)-Crystalline introduce:
Potassium chloride (also known as KCl or potassium salt) is a metal halide salt composed of potassium and chlorine. It is odorless and has a white or colorless vitreous crystal appearance.
Molar mass：74.5513 g/mol
Appearance：white crystalline solid
Melting point：770 °C (1,420 °F; 1,040 K)
Boiling point：1,420 °C (2,590 °F; 1,690 K)
Solubility in water：217.1 g/L (0 °C);253.9 g/L (20 °C);360.5 g/L (100 °C)
Solubility：Soluble in glycerol, alkalies
Slightly soluble in alcohol Insoluble in ether
Solubility in ethanol:0.00288 g/L (25 °C)
Magnetic susceptibility (χ)：−39.0·10−6 cm3/mol
Refractive index (nD)：1.4902 (589 nm)
Crystal structure：face centered cubic
Potassium chloride is a salt commonly used in the preparation of phosphate buffered saline and for the extraction and solubilization of proteins. It is a good potassium source. Also used in the hypotonic KCl-propidium iodide protocol for univariate analysis of metaphase chromosomes ; dissociation of eukaryotic ribosomes into subunits by high concentrations of potassium (0.3-1.0 M); preparation of mitochondria, provides an ionic osmotic support for those tissues that assume a gelatinous consistency upon homogenization.
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