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Related to hydrogen fluoride: Oxygen fluoride
A colorless, fuming corrosive liquid or a highly soluble corrosive gas, HF, that is extremely toxic, used in the manufacture of hydrofluoric acid, as a reagent, catalyst, and fluorinating agent, and in the refining of uranium and the preparation of many fluorine compounds.
1. (Elements & Compounds) a colourless poisonous corrosive gas or liquid made by reaction between calcium fluoride and sulphuric acid: used as a fluorinating agent and catalyst. Formula: HF
2. (Elements & Compounds) an aqueous solution of hydrogen fluoride; hydrofluoric acid
a colorless corrosive gas, HF, the anhydride of hydrofluoric acid, used chiefly as a catalyst and in the fluorination of hydrocarbons.