phthalic

American  

[thal-ik, fthal-] / ˈθæl ɪk, ˈfθæl- /

adjective

Chemistry.

1. of or derived from phthalic acid.

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Etymology

Origin of phthalic

First recorded in 1855–60; (na)phthal(ene) + -ic

Example Sentences

But, said Wuest, in thalidomide the structural combination of glutamic and phthalic acids is most unusual.

From Time Magazine Archive

Thus benzoic acid is the carboxyl-derivative of benzene, and the phthalic acid with which we are now concerned is a dicarboxyl-derivative of benzene.

From Coal and What We Get from It by Meldola, Raphael

The phthaleïn formed from gallic acid and phthalic anhydride really results from the union of the latter with pyrogallol.

From Coal and What We Get from It by Meldola, Raphael

These discoveries necessitated the manufacture of phthalic acid and resorcinol.

From Coal and What We Get from It by Meldola, Raphael

Phthalein, thal′e-in, n. one of a very important class of dye-yielding materials formed by the union of phenols with the anhydride of phthalic acid.—adj.

From Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) by Various