Title: Ferrous Bromide
CAS Registry Number: 7789-46-0
Molecular Formula: Br2Fe
Molecular Weight: 215.65
Percent Composition: Br 74.11%, Fe 25.90%
Line Formula: FeBr2
Literature References: Prepn: Baxter,
Z. Anorg. Chem. 38, 236 (1904); Baxter
et al., ibid. 70, 333 (1911); Schimmel,
Ber. 62, 963 (1929); Kühnl, Ernst,
Z. Anorg. Allg. Chem. 317, 84 (1962).
Properties: Light yellow to dark brown hygroscopic crystals. mp 684°. d425 4.63. Very sol in water and alcohol.
Keep tightly closed.
Melting point: mp 684°
Density: d425 4.63
Derivative Type: Hexahydrate
Properties: Pale green to bluish-green rhombic prisms. Forms tetrahydrate at 49°; dihydrate at 83°. Rapidly oxidized in moist air.
Keep tightly closed.
Use: Polymerization catalyst.