Cesium Iodide
Structural Formula Vector Image
Title: Cesium Iodide
CAS Registry Number: 7789-17-5
Molecular Formula: CsI
Molecular Weight: 259.81
Percent Composition: Cs 51.15%, I 48.85%
Literature References: Prepn: Gmelins, Cesium (8th ed.) 25, pp 188-204 (1938). Toxicity study: Cochran et al., Arch. Ind. Hyg. 1, 637 (1950).
Properties: Deliquesc crystals or crystalline powder. d 4.5. mp 621°. bp about 1280°. Very sol in water; sol in ethanol; slightly sol in methanol. Practically insol in acetone. Keep well closed. LD50 i.p. in rats: 1.4 g/kg (Cochran).
Melting point: mp 621°
Boiling point: bp about 1280°
Density: d 4.5
Toxicity data: LD50 i.p. in rats: 1.4 g/kg (Cochran)
Use: Prisms for infrared spectroscopy; in x-ray fluorescent screens, scintillation counters.

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