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Related to pyrocatechol: resorcinol


 (pī′rō-kăt′ĭ-kôl′, -kŏl′, -kōl′)
A biologically important phenol, C6H6O2, having two hydroxyl groups attached to the benzene ring, used in dyeing, tanning, photography, and as an antiseptic. Also called catechol.


(ˌpaɪrəʊˈkætɪˌtʃɒl; -kɒl) or


(Elements & Compounds) another name for catechol


(ˈkæt ɪˌkɔl, -ˌkɒl)

a colorless, crystalline derivative of benzene, C6H6O2, used chiefly in photography, for dyeing, and as a reagent.
Also called pyrocatechol.
[1875–80; catech (u) + -ol1]
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References in periodicals archive ?
We measured TUP by the benzethonium chloride and biuret method with the Hitachi 917 analyzer and by the modified biuret and pyrocatechol violet dry-chemistry method with the Vitros 250 analyzer (Johnson & Johnson).
Allergic contact dermatitis has been reported and four allergenic compounds have been characterized as pyrocatechol derivatives, but not fully identified, from different extracts of this plant and from L.
Pyro, named after the photographic chemical pyrocatechol, first flew as a kitten tucked into the jacket of New Brighton-bred Mr Bird as he carried out top secret spying missions for the government over enemy territory.
Paper mulberry (broussonetia kazinoke): The extracts of root and bark are potent tyrosinase inhibitors[2, 3] The active moiety has been identified as the pyrocatechol derivative shown at right.
In this method, protein in the sample binds to a pyrocatechol violet-molybdate complex, resulting in an absorption shift.
22 [micro]m millipore filter extract) by the pyrocatechol violet (PCV) method (Kerven et al.
The discrepancy could be due to the difference in Al analysis methods, ICP-AES in this work, pyrocatechol violet in that of Noble et al.