Cleve's acid
noun
Cle·ve's acid
| \ ˈklāvəz-, ˈklēvz-\
Definition of Cleve's acid
: either of two colorless crystalline isomeric monosulfonic acids NH2C10H6SO3H derived from alpha-naphthylamine and used as intermediates in making azo dyes
also
: a mixture of these acids
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