A chemical compound derived from anthracene that contains four hydroxyl groups, used in organic chemistry and dye production.
From 'anthracene' (a coal tar hydrocarbon) + 'tetro-' (four) + '-ol' (alcohol/hydroxyl group). The term emerged in 19th-century chemistry as researchers synthesized new compounds from coal tar derivatives.
This is exactly the kind of compound chemists made by the thousands while exploring coal tar—and some of those discoveries accidentally led to the first synthetic dyes, completely transforming the textile industry and making bright purple clothing possible for the first time!
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