from The Century Dictionary and Cyclopedia

  • n. Either of two direct cotton coal-tar colors (benzo-azurine G and 3G) of the diazo type, derived from dianisidine. They dye unmordanted cotton blue in an alkaline salt bath.


Sorry, no etymologies found.


  • Some time ago, however, it was successfully applied, for the purpose of rendering more permanent, to certain of the Congo colors on cotton, e.g., benzo-azurine, etc., in the application of which, metallic salts had not hitherto been deemed necessary.

    Scientific American Supplement, No. 810, July 11, 1891

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