naphthylaminesulfonic acid

naphthylaminesulfonic acid
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Etymology: International Scientific Vocabulary naphthylamine + sulfonic
: any of several amino sulfonic acids that are derived from the naphthylamines, have the properties of inner salts, and are used as dye intermediates: as

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  • naphthionic acid — | ̷ ̷ ̷ ̷|änik noun Etymology: International Scientific Vocabulary, from naphthylaminesulfonic : a crystalline naphthylaminesulfonic acid made by baking a mixture of alpha naphthylamine and sulfuric acid and used in the preparation of Congo red… …   Useful english dictionary

  • laurent's acid — äⁿz noun Usage: usually capitalized L Etymology: after Auguste Laurent died 1853 French chemist : a crystalline naphthylaminesulfonic acid H2NC10H6SO3H made by sulfonating alpha naphthylamine and used as an intermediate for azo dyes; 5 amino 1… …   Useful english dictionary

  • peri acid — |perē+ noun Etymology: peri from peri : a crystalline naphthylaminesulfonic acid H2NC10H6SO3H used as a dye intermediate; 8 amino 1 naphthalenesulfonic acid …   Useful english dictionary

  • tobias acid — təˈbīəs noun Usage: usually capitalized T Etymology: after Georg Tobias, 19th century German chemist : a crystalline naphthylaminesulfonic acid H2NC10H6SO3H used as a dye intermediate; 2 amino 1 naphthalenesulfonic acid …   Useful english dictionary

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