mauvaniline

from The Century Dictionary.

• noun A coal-tar color (C₁₉H₁₇N₃H₂O) used in dyeing, prepared from the resinous residue from the arsenic-acid process of making magenta. It dyes silk and wool a fast violet.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Chem.) See Mauve aniline, under mauve.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun obsolete mauveine