Title: Cesium Bromide
CAS Registry Number: 7787-69-1
Molecular Formula: BrCs
Molecular Weight: 212.81
Percent Composition: Br 37.55%, Cs 62.45%
Line Formula: CsBr
Literature References: Prepn from pollucite: Thomas, Steton, Compt. Rend. 241, 56 (1955). Toxicity study: Cochran et al., Arch. Ind. Hyg. 1, 637 (1950).
Properties: Crystals. d 4.44. mp 636°. bp ~1300°. Very sol in water; sol in alc. Practically insol in acetone. LD50 i.p. in rats: 1.4 g/kg (Cochran).
Melting point: mp 636°
Boiling point: bp ~1300°
Density: d 4.44
Toxicity data: LD50 i.p. in rats: 1.4 g/kg (Cochran)
Use: In x-ray fluorescent screens, spectrometer prisms, absorption-cell windows.