Title: Beryllium Bromide
CAS Registry Number: 7787-46-4
Molecular Formula: BeBr2
Molecular Weight: 168.82
Percent Composition: Be 5.34%, Br 94.66%
Literature References: Prepn: Ehrlich in Handbook of Preparative Inorganic Chemistry vol. 1, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1963) p 891. Review of beryllium halides: Bell, Adv. Inorg. Chem. Radiochem. 14, 255-332 (1972).
Properties: Orthorhombic crystals, d 3.465. mp 506-509°; also reported as 488°: Bell, loc. cit. Sublimes at 473°. bp 520°. Very hygroscopic. Freely sol in water. By saturating the concd viscous soln with HBr, the tetrahydrate is formed. Sol in ethanol, in pyridine (185.6 g/l), in ethyl bromide (1.0 g/l). Forms addition compounds with amines, alcohols. Keep tightly closed.
Melting point: mp 506-509°; also reported as 488°
Boiling point: bp 520°
Density: d 3.465