Characteristic

Antimony tribromide (SbBr₃) is a chemical compound containing antimony in its +3 oxidation state.

Chemical formula：SbBr₃

Molar mass：361.472 g/mol

Appearance：colorless to yellow crystals hygroscopic

Density：4.35 g/cm³

Melting point：96.6 °C (205.9 °F; 369.8 K)

Boiling point：288 °C (550 °F; 561 K)

Solubility in water：soluble,partial hydrolysis

Solubility：soluble in dilute HCl, HBr, CS2, acetone, benzene, chloroform, ammonia, alcohol

Magnetic susceptibility (χ)：-115.0·10⁻⁶ cm³/mol

Refractive index (nD)：1.74

Dipole moment：2.47 D

Crystal structure：Orthorhombic, oP16

Application

It can be added to polymers such as polyethylene as a fire retardant. It is also used in the production of other antimony compounds, in chemical analysis, as a mordant, and in dyeing.