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What (who) is pyrogallol - definition
CHEMICAL COMPOUND
Benzene-1,2,3-triol; 1,2,3-Trihydroxybenzene; 1,2,3-trihydroxy-benzene; Pyrogallic acid; Pyrogallic Acid; 1,2,3-trihydroxybenzene; Pyro (developer); Pyaogallol; C6H3(OH)3
Pyrogallol
·noun A phenol metameric with phloroglucin, obtained by the distillation of gallic acid as a poisonous white crystalline substance having acid properties, and hence called also pyrogallic acid. It is a strong reducer, and is used as a developer in photography and in the production of certain dyes.
pyrogallol
[?p??r?(?)'gal?l]
¦ noun Chemistry a weakly acid crystalline organic compound chiefly used as a photographic developer.
Hydrolysable tannin
CLASS OF CHEMICAL COMPOUNDS
Hydrolyzable tannins; Hydrolysable tannins; Hydrolyzable tannin; Hydrolyzable Tannin; Pyrogallol-type tannin; Pyrogallol-type tannins
A hydrolyzable tannin or pyrogallol-type tannin is a type of tannin that, on heating with hydrochloric or sulfuric acids, yields gallic or ellagic acids.
Wikipedia
Pyrogallol
Pyrogallol is an organic compound with the formula C6H3(OH)3. It is a water-soluble, white solid although samples are typically brownish because of its sensitivity toward oxygen. It is one of three isomers of benzenetriols.
