Characteristic

Lanthanum(III) bromide (LaBr₃) is an inorganic halide salt of lanthanum. When pure, it is a colorless white powder. The single crystals of LaBr3 are hexagonal crystals with melting point of 783 °C. It is highly hygroscopic and water-soluble. There are several hydrates, LaBr₃·x H₂O, of the salt also known.

Chemical formula:LaBr3

Molar mass: 378.62 g/mol (anhydrous)

Appearance: white solid, hygroscopic

Density: 5.06 g/cm³, solid

Melting point: 783 °C (1,441 °F; 1,056 K)

Boiling point: 1,577 °C (2,871 °F; 1,850 K)

Solubility in water:Very soluble

Crystal structure:hexagonal

Application

It is often used as a source of lanthanum in chemical synthesis and as a scintillation material in certain applications.