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phthalonitrile

noun
phthal·​o·​nitrile | \ ¦thalō+\

Definition of phthalonitrile

: a crystalline compound C6H4(CN)2 made usually by heating phthalic anhydride and ammonia under dehydrating conditions and used chiefly in making phthalocyanines

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History and Etymology for phthalonitrile

International Scientific Vocabulary phthal- + nitrile

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