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. natural dye
10. vegetable dye

Additional parents:

1. top of the aat hierarchies
2. Materials Facet
3. Materials
4. materials
5. materials by function
6. colorant
7. colorant for dye and pigment

Anotations

Scope note:

One of the natural colorants extracted from madder roots and other Rubiaceae family plants. Purpurin forms a brilliant red color when mordanted with aluminum salts. It is not considered a permanent artists pigment.