Boron Trifluoride and Its Derivatives

0.5 N alkali acetic acid acetyl alcohol alkylated ammonium fluoborate anhydride aqueous solution benzene boiling borate boric acid boric oxide boron atom boron tri boron trifluoride Brit butyl calcium fluoride carbon catalyst Chem Chemical chloride complex compounds with boron condensation coordination compounds crystals decomposed density dihydrate dihydroxyfluoboric acid dissolved E. I. du Pont esters ether ethylene fluo fluoboric acid HBF4 heating hydrocarbons hydrofluoric acid hydrogen fluoride hydrolysis hydroxide ibid isobutylene isopropyl ketone liquid melting mercuric oxide metal methyl mixture mole of boron molecular molecule Nieuwland obtained olefins oxygen phenol polymerized Pont de Nemours potassium fluoborate precipitate prepared presence of boron pressure propylene react reaction reported salt Shell Development silicon tetrafluoride sodium fluoborate soluble in water solution of fluoboric Standard Oil Co Standard Oil Development sulfuric acid tion titration tube U. S. Patent Universal Oil Products vapor Wilke-Dörfurt and Balz yield