Boron tribromide 2nb-6nb Uses: boron tribromide is used as catalyst, intermediate and brominating agent in organic synthesis and is the raw material of making high-purity boron powder and other organoboron compound. It is also used as the dopant source of the semiconductor silicon and is used to make the high-purity boron and the organoboron compound. 1000g in 500ml brown bottle or as your request.