phthalic

[ thal-ik, fthal- ]

adjectiveChemistry.
  1. of or derived from phthalic acid.

Origin of phthalic

1
First recorded in 1855–60; (na)phthal(ene) + -ic

Words Nearby phthalic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use phthalic in a sentence

  • Thus the dinitronaphthol described as Manchester yellow, if heated for some time with dilute nitric acid, furnishes phthalic acid.

    Coal | Raphael Meldola
  • The phthaleïn formed from gallic acid and phthalic anhydride really results from the union of the latter with pyrogallol.

    Coal | Raphael Meldola
  • phthalic acid, which was discovered in 1836 by Laurent, is a product of the oxidation of many benzenoid compounds.

    Coal | Raphael Meldola
  • Three isomeric phthalic acids are known, but only one of these is of use in the present branch of manufacture.

    Coal | Raphael Meldola
  • It condenses with phthalic anhydride to form rhodamine, and with succinic anhydride to rhodamine S.