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boron trifluoride

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Definition of boron trifluoride

: a colorless pungent gas BF3 that fumes in moist air, that is made usually by reaction of a boron compound (such as borax) with a fluoride (such as hydrogen fluoride) and then sulfuric acid, and that is used chiefly as an acidic catalyst in organic reactions (such as alkylations and polymerizations)

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“Boron trifluoride.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/boron%20trifluoride. Accessed 14 Jun. 2021.

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