The use of copper mordant with phenolic coloring matters is perfectly natural.
This is also an acid or phenolic dye, as a glance at its formula will show you.
The oxidation is probably due to an enzyme, and also to the presence of chemical substances of a phenolic nature.
Today golf club heads are being made of "Compreg," a wood which has been impregnated with phenolic resins and cured with heat.
One of the hydroxyl groups has phenolic functions, the other alcoholic functions.
This interesting reaction points very decidedly to the phenolic character of morphine.
It was found that nitrosodimethylaniline reacted in a similar way with other phenolic or with amidic compounds.
A phenolic condensation product closely related to bakelite and redmanol is condensite, the invention of Jonas Walter Aylesworth.
phenolic phe·no·lic (fĭ-nō'lĭk, -nŏl'ĭk)
Of, relating to, containing, or derived from phenol. n.
Any of various synthetic thermosetting resins, obtained by the reaction of phenols with simple aldehydes and used as adhesives.
phenol phe·nol (fē'nôl', -nōl')
A caustic, poisonous, white crystalline compound derived from benzene and used in pharmaceuticals and in dilute form as an antiseptic. Also called carbolic acid, phenic acid.
Any of a class of aromatic organic compounds having at least one hydroxyl group attached directly to the benzene ring.