phloroglucinol

Also phlor·o·glu·cin

[flawr-uh-gloo-suh-nawl, -nol, flor-]

noun

Chemistry.

1. a white to yellow, crystalline, slightly water-soluble powder, C 6 H 3 (OH) 3 ⋅2H 2 O, used chiefly in analytical chemistry and in the preparation of pharmaceuticals.

Word History and Origins

Origin of phloroglucinol¹

First recorded in 1875–80; phlor(izin) + -o- + gluc- + -in ² + -ol ¹

Example Sentences

The conjugation of terpenes with phloroglucinol derivatives31, as well as the formation of monoterpene glucose esters32, leads to the myriad of defence compounds that vary across the genus.

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Councler substitutes phloroglucinol for pyrogallol, with the advantage of doing away with the digestion at high temperature.

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The presence of diresorcinol is without influence on the result, provided a sufficient excess of actual phloroglucinol is employed.

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Sulphonation of phloroglucinol succeeds at higher temperatures only, the sulphonic acid being a solid which is scarcely soluble in water, the latter then assuming a wine-red colour.

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Of the trihydroxybenzenes pyrogallol and phloroglucinol only were included in these investigations.

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