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n.1.(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.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
In addition, the antioxidant capacity of the ascorbic acid, gallic acid and pyrocatechin standards was also determined in aqueous solvent.
Oligomera produced on the basis of individual substances of pyrocatechin, hydrochinone and pyrogallol had low plasticizing ability.
Organic acid standards (citric acid, tartaric acid, malic acid, succinic acid), phenolic acid standards (gallic acid, catechin, caffeic, chlorogenic acid, o-coumaric acid, p-coumaric acid, ferulic acid, syringic, vanillic, quercetin, rutin, and pyrocatechin) were obtained from Sigma-Aldrich (St.