Boron tribromide

CAS number : 10294-33-4

Molecular weight :250.52

Molecular formula/chemical symbol :BBr3

Description :

 Boron tribromide, BBr₃, is a colorless, fuming liquid compound containing boron and bromine. It is decomposed by water and alcohols.

Molecular formula	BBr3
Molar mass	250.52 g/mol
Appearance	colorless to amber liquid
Density	2.643 g/cm3
Melting point	?46.3 °C, 227 K, -51 °F
Boiling point	91.3 °C, 364 K, 196 °F
Solubility in water	reacts violently
Vapor pressure	7.2 kPa (20 °C)
Refractive index (nD)	1.00207
Viscosity	7.31 x 10-4 Pa s (20 °C)

USES :

Pharmaceutical Manufacturing
Image Processing
Semiconductor Doping
Semiconductor Plasma Etching
Photovoltaic Manufacturing
Reagent for Various Chemical Processes

It also finds applications in olefin polymerization and in Friedel-Crafts chemistry as a Lewis acid catalyst.

The electronics industry uses boron tribromide as a boron source in pre-deposition processes for doping in the manufacture of semiconductors.

 Keywords:Electronic chemicals