2921450020
- Amine-function compounds
- Aromatic monoamines and their derivatives; salts thereof
- 1-Naphthylamine (α-naphthylamine), 2-naphthylamine (β-naphthylamine) and their derivatives; salts thereof
- 2-Aminonaphthalene-1,5-disulphonic acid (CAS RN 117-62-4) or one of its sodium salts (CAS RN 19532-03-7) or (CAS RN 62203-79-6)