- Biological stains (2)
- Color lakes or toners (13)
- Color pigments, organic (7)
- Dyes, synthetic organic (4)
- Dyes: azine, azo, azoic (1)
- Food dyes or colors, synthetic (3)
- Hydroquinones (1)
- Styrene (3)
- Dye (cyclic) intermediates (1)
- Coal tar: crudes, intermediates, and distillates (1)
- Chemical indicators (7)
