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sulfanilic acid

[suhl-fuh-nil-ik, suhl-] /ˈsʌl fəˈnɪl ɪk, ˌsʌl-/
noun, Chemistry.
a grayish-white, crystalline, slightly water-soluble solid, the para form of C 6 H 7 NO 3 S, used chiefly as an intermediate in the manufacture of dyes.
Origin of sulfanilic acid
1855-60; sulf- + anilic (see anil, -ic) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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