Meanings
- uncountablechemistryThe acid anhydride of phthalic acid; manufactured by the oxidation of xylene or naphthalene, widely used in the synthesis of dyes, insecticides, plasticizers and pharmaceuticals.
Cite this entry
phthalic anhydride. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/phthalic%20anhydride
“phthalic anhydride.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/phthalic%20anhydride. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “phthalic anhydride,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/phthalic%20anhydride.
Source: phthalic anhydride on Wiktionary, CC BY-SA 4.0.