Chlorosulfuric acid

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Notion

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Science and technology

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What Wikipedia says

Chlorosulfuric acid (IUPAC name: sulfurochloridic acid) is the inorganic compound with the formula HSO3Cl. It is also known as chlorosulfonic acid, being the sulfonic acid of chlorine. It is a distillable, colorless liquid which is hygroscopic and a powerful lachrymator.

Excerpt from the Wikipedia article “Chlorosulfuric acid”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Ben Mills and Jynto, Public domain, via Wikimedia Commons.