What is Boron trifluoride?
'''Boron trifluoride''' is the [[inorganic compound]] with the formula BF<sub>3</sub>. This strong-smelling, colourless, and [[toxic]] gas forms white vapor in moist air. It is a useful [[Lewis acid]] and a versatile building block for other [[boron]] compounds. Unlike the aluminium and gallium trihalides, the boron trihalides are all separate molecules that do not attach to each other. They undergo rapid halide exchange reactions. [[Category:Fluorine compounds]] [[Category:Boron compounds]] {{chem-stub}} {{Fluorine compounds}}