直接菊黄是一种重氮二苯乙烯染料。色指数：24895 Chrysophenine is a diazo stilbene dye. Color index number: 24895 λmax：389 nm； ε (extinction coefficient)：≥29000 at 389-401 nm in water at 0.02 g/L Application： Chrysophenine is an an organic azo dye (a direct dye) used in the textile and cosmetic industries. Chrysophenine is a water pollutant, removed from the environment by membrane filtration. Dyes and metabolites