Benzidine dye

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Description

A group of azo dyes derived from 3,3'-dichlorobenzidine that have lightfast yellow and orange colors. Examples are Congo red and Diarylide dye.

Synonyms and Related Terms

benzidine yellow; colorante de bencidina (Esp.); coloranti a base di benzidina (It.); azo dye; diarylide dye; Congo red; benzidine orange

FTIR MagruderPO016(MFA)

PO16 Dianisidine Orange.PNG

FTIR SunPO016(MFA)

PO016 sun out of stock orange 276-3016.TIF

Comparisons

Pigment number Manufacture Pigment name Manufacture CI number Comments
PO016 Magruder dianisidine orange or1016-dc
PO016 Sun out of stock orange 276-3016

Risks

  • Highly toxic.
  • Human carcinogen, often causing bladder cancer.

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Monona Rossol, The Artist's Complete Health and Safety Guide, Allworth Press, New York, 1994
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997

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