| 1. | Magenta was discovered by Emmanuel Verguin in 1858 while researching aniline dyes.
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| 2. | The reds in the blankets from after 1870 were from aniline dyes.
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| 3. | William H . Perkin, a student of Hofmann, synthesized the first aniline dye.
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| 4. | His doctor asked if he had ever worked with aniline dyes.
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| 5. | The aniline dye malachite green is prepared from benzaldehyde and dimethylaniline.
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| 6. | Later, aniline dyes added another dimension of color and design.
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| 7. | Other aniline dyes followed, such as fuchsine, safranine, and induline.
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| 8. | Aniline dyes have a very short working time; most professionals apply them by spraying.
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| 9. | In 1856, the English chemist William Henry Perkin invented the first aniline dye, mauveine.
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| 10. | Heterocycles are commonly found in a wide range of products including aniline dyes and medicines.
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