HT Histotechnician

Category - Staining

Which of the following stains is a coal tar dye?
  1. Orcein
  2. Saffron
  3. Hematoxylin
  4. Aniline dye
Explanation
Answer: D - Aniline dye
The following stains are natural dyes except for Aniline dye. The Aniline dye is derived from the hydrocarbon, Benzene. These derived substances are known as the coal tar dyes.
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