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phthalic anhydride
(redirected from Gibbs phthalic anhydride process)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
anhydride /an·hy·dride/ (an-hi´drīd) any compound derived from a substance, especially an acid, by abstraction of a molecule of water.
chromic anhydride  chromic acid.
phthalic anhydride  a reactive low-molecular-weight compound with various industrial uses; it causes skin irritation and its fumes cause hypersensitivity pneumonitis.

phthalic anhydride
n.
A white crystalline compound prepared by oxidizing naphthalene and used in the manufacture of phthaleins and other dyes.


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