A chemical term referring to a compound containing two butyl groups (hydrocarbon chains with four carbons each).
From di- (two) + butyl (a four-carbon alkyl group from butane). This nomenclature became standard in the 20th century as industrial chemistry produced thousands of butyl-containing compounds.
Dibutyl compounds are everywhere in modern life—plasticizers, solvents, and additives in everything from vinyl records to cosmetics, showing how chemical naming matches industrial production.
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