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Cesium (Cs) Metal

Cesium (Cs) is a soft, ductile, gold-colored alkali metal. Cesium reacts quickly when attacked by air and reacts violently with water, so it should be stored accordingly. It has the lowest melting point of any alkali metal and is liquid at room temperature. It is photoemissive.

Purity: 99.9%
Typical Applications

Cesium is used in atomic clocks. It removes air traces in vacuum tubes and ion propulsion systems. Medical photoelectric cells also use cesium, and cesium vapor is used in magnetometers.

Packaging Options

Vacuum sealed in break seal ampoules


Cesium (Cs) Metal TSCA (SARA Title III) Status: Listed
For further information, please call the EPA, Office of Chemical Safety and Pollution Prevention (OCSPP) at 202-564-2902
Cesium (Cs) Metal CAS Number: 7440-46-2
Cesium (Cs) Metal UN Number: 1407

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