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

Phthalimide may also be made by using 500 g. of phthalic anhydride and 500 g. of ammonium carbonate which has been previously ground in a mortar.

From Organic Syntheses by Conant, James Bryant

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

It is prepared by heating gallic acid with benzoic and sulphuric acids, or with phthalic anhydride and zinc chloride, and is a brown dye known as “anthragallol” or “anthracene-brown.”

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

Baeyer, the eminent chemist who subsequently synthesised indigo, published the first of a series of investigations describing the compounds produced by heating phthalic anhydride with phenols.

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