phloroglucinol

[ 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.

From Nature

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

From Project Gutenberg

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

From Project Gutenberg

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.

From Project Gutenberg

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

From Project Gutenberg