Aniline black

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Description

A black dye that was patented by J.Lightfoot in January 1863. Aniline black is composed of oxidized aniline hydrochloride. Fabric, such as cotton, is soaked in an aqueous solution of aniline hydrochloride and an oxidizing agent, such as chromic acid. This results in a strong black color that is not lightfast. Aniline black was also added to iron gall inks to produce a strong, initial black color. Once the aniline black faded, the iron and gallic acid color had developed a strong black tone (Kuhn 1986).

Synonyms and Related Terms

Pigment Black 1; CI 50440; Oxidation Base 1; Solvent Black 5; noir d'aniline (Fr.); Anilinschwarz (Deut.); negro de anilina (Port.); azul de anilina (Esp.); anilini mayrh (Gr.); nero di anilina (It.); anilinezwart (Ned.)

Additional Information

° H.Kuhn, Conservation and Restoration of Works of Art and Antiquities, Butterworths, London, 1986.

Sources Checked for Data in Record

  • A.Scharff, 'Synthetic dyestuffs for textiles and their fastness to washing', ICOM-CC Preprints Lyon, Getty Conservation Institute, Los Angeles, 1999
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • Hermann Kuhn, Conservation and Restoration of Works of Art and Antiquities, Butterworths, London, 1986
  • Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982

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