Title: Cesium Chloride
CAS Registry Number: 7647-17-8
Molecular Formula: ClCs
Molecular Weight: 168.36
Percent Composition: Cl 21.06%, Cs 78.94%
Line Formula: CsCl
Literature References: Prepn from carnallite and from pollucite: Donges in
Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) pp 951, 955. Toxicity study: Cochran
et al., Arch. Ind. Hyg. 1, 637 (1950).
Properties: Deliquesc cubic crystals. d 3.99. mp 646°. bp 1303°. Very sol in water; sol in alc.
Keep well closed. LD50 i.p. in rats: 1.5 g/kg (Cochran).
Melting point: mp 646°
Boiling point: bp 1303°
Density: d 3.99
Toxicity data: LD50 i.p. in rats: 1.5 g/kg (Cochran)
Derivative Type: 131CsCl
Trademarks: Cescan-131 (Abbott)
Use: In the final evacuation of radio and television vacuum tubes; in x-ray fluorescent screens; as radiographic contrast medium; in manuf of cesium.