Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by function]
6. colorant (material)
7. dye
8. [dye by composition or origin]
9. synthetic dye
10. aniline dye

Anotations

Scope note:

A synthetic aniline dyestuff that was only the second synthetic dye material to be produced from coal tar derivatives. Magenta is a dark green water soluble powder that oxidizes to forms a deep purplish red fugitive dye used to color textiles, leather, and to stain bacteria. It was formerly used in watercolor paints but has since been replaced by colors with better lightfastness properties.