Definition of "pyrocatechol" []

• A dihydric phenol, benzene-1,2-diol, present in some tars. (noun)

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• "The products are phenol and pyrocatechol, with some quantity of an amorphous product probably formed by condensation of a quinone with the phenolic products of reaction."
• "[39] sodium acetate [42, 43] sodium pyrocatechol disulfonate"