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Cesium Chloride

Cesium chloride, also known as Caesium chloride, is a colorless solid used industrially as a source of cesium ions. It has the chemical formula CsCl. Under standard room temperature and pressure, the compound exists in form of crystals which are easily soluble in concentrated hydrochloric acid and water.

CsCl is mainly used as a source of Cs ions. It is also heated together with magnesium in a reduction process to obtain cesium metal. A solution of CsCl is used in the production of CsOH through electrolysis. CsCl is used in laboratories to separate DNA fragments with different densities in a process known as isopycnic centrifugation. In traditional analytic chemistry, CsCl is used for detection of inorganic ions based on morphology and color of the precipitates. CsCl has a wide range of uses in medicine. For instance, it is used in the treatment of cardiovascular diseases. This is because RbCl and CsCl induce long term narrowing of blood vessels.