hydrogen fluoride

noun

1. a colorless corrosive gas, HF, the anhydride of hydrofluoric acid, used chiefly as a catalyst and in the fluorination of hydrocarbons.

hydrogen fluoride

noun

1. 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. an aqueous solution of hydrogen fluoride; hydrofluoric acid

hydrogen fluoride

1. A corrosive compound that exists as a colorless, fuming liquid or a highly soluble gas. Hydrogen fluoride is used as a reagent, catalyst, and fluorinating agent, in the refining of uranium, and in making many fluorine compounds. An aqueous solution of hydrogen fluoride is called hydrofluoric acid. Chemical formula: HF.

Word History and Origins

Origin of hydrogen fluoride¹

First recorded in 1905–10

Example Sentences

For example, in the case of EO, highly corrosive hydrogen fluoride vapor.

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Damaged lithium-ion batteries are at high risk of catching fire and releasing toxic gases such as hydrogen fluoride and carbon monoxide.

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Environmental Protection Agency ruled that the level of particulate matter and hydrogen fluoride gas released into the air during the fire did not pose a risk to public health.

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Environmental Protection Agency determined that there was no public health risk posed by levels of particulate matter and hydrogen fluoride gas released during the fire.

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During an emergency briefing after the fire broke out, officials said a plume released from the plant contained hydrogen fluoride, a toxic compound, according to county spokesperson Nick Pasculli.

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