| Aromatic amines |
Azo dyes |
| o-Tolidine |
Trypan blue |
| 2,6-Dimethylaniline |
Ponceau 2R |
| 2,4,5-Trimethylaniline |
Ponceau 3R |
| N,N-Dimethyl-p-phylenediamine |
Methyl Red, Methyl Yellow, Methyl Orange |
| 1-Amino-2-Naphthol |
Red, Orange I, Orange II, Sudan 1, Sudan IV |
| 1,4-Naphthyldiamine |
Phenylazo-1-naphthylamine |
| Sodium Naphthionate |
Amaranth (Red# 2) |
| Benzidine |
Direct Black 38 |
| o-Toluidine |
Direct Blue 14 |
|
