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

Resorcinol is a phenolic derivative of benzene containing two hydroxyl groups; it is therefore related to phenol in the same way that diamidobenzene is related to aniline or phthalic acid to benzoic acid.

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

Notes Several smaller runs of 25 g. of phthalic anhydride gave the same percentage yield.

From Organic Syntheses by Conant, James Bryant

One of these compounds, phthalic acid, is obtained from naphthalene, and the other, resorcin or resorcinol, is prepared from benzene.

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