Table 2 Rare, usually work-related, local toxic causes of yellow nail discoloration, from [90]
Epoxy systems: metaphenylenediamine, 4,4′-methylenedianiline |
Flower handling |
Pesticides: diquat, paraquat, dinitroorthocresol, dinobuton |
Chromium salts |
Dyestuffs: dinitrosalicylic acid, dinitrobenzene, dinitrotoluene, trinitrotoluene |