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Cesium (Cs)
Cesium ([Xe]6s1) (CAS 7440-46-2) is silvery-white, soft, and ductile. It has the lowest melting point of any alkali metal. Cesium reacts violently with water and due to its reaction with oxygen, and should be stored in the absence of air. Located in the lower left-hand corner of the periodic table, cesium is the most electropositive element and has the lowest ionization potential.
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This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo...