'C6H4OH2' definitions:

Definition of 'C6H4OH2'

From: GCIDE
  • Hydroquinone \Hy`dro*qui"none\, n. [Hydro-, 2 + quinone.] (Chem.) A white crystalline substance, C6H4(OH)2, obtained by the reduction of quinone. It is a diacid phenol, resembling, and metameric with, pyrocatechin and resorcin. Called also dihydroxy benzene. [1913 Webster]

Definition of 'C6H4OH2'

From: GCIDE
  • Pyrocatechin \Pyr`o*cat"e*chin\, n. [Pyro- + catechu.] (Chem.) A white crystalline substance, C6H4(OH)2, of the phenol series, found in various plants; -- so called because first obtained by distillation of gum catechu. Called also catechol, oxyphenol. etc. [1913 Webster]