Google seems to say resorcinol ( meta-diol ) has a pka of 9.32 while para-diphenol is 9.8.
32.
Resorcinol crystallizes from benzene as colorless needles that are readily soluble in water, alcohol, and ether, but insoluble in chloroform and carbon disulfide.
33.
Part of the resorcinol structure binds to inhibits the N-terminal domain of heat shock protein 90, which is a drug target for anticancer treatments.
34.
At the endpoint, the first excess of metal ion catalyzes a strongly exothermic reaction between a polyhdric phenol ( such as resorcinol ) and hydrogen peroxide.
35.
It is a thermal combination of a substituted cyclobutenones with heterosubstituted acetylenes to produce highly substituted aromatic compounds, specifically phenols or resorcinols ( Scheme 1 ).
36.
Gelatin-resorcinol-formaldehyde glue ( and with formaldehyde replaced by less-toxic pentanedial and ethanedial ) has been used to repair experimental incisions in rabbit lungs.
37.
For phenol, the aldehyde most often used is simple formaldehyde, while larger aldehydes, like acetaldehyde, are usually required in condensation reactions with resorcinol and pyrogallol.
38.
The tire cord is treated first with a resorcinol-formaldehyde polymer and then with a terpolymer made from 15 % 2-vinylpyridine, styrene, and butadiene.
39.
Concomitantly, the American chemists Joseph Niederl and H . J . Vogel obtained similar cyclic tetramers from the acid-catalyzed reaction of resorcinol and aldehydes such as benzaldehyde.
40.
Alternatively, sodium sulfate is or was formed in the production of lithium carbonate, chelating agents, resorcinol, ascorbic acid, silica pigments, nitric acid, and phenol.
