dye|World dye variety

Name:C.I.Acid Red 98,C.I.45405 Molecular Structure: Xanthene class Molecular Formula:C20H4Br4Cl2K2O5 Molecular Weight: 792.96 CAS Registry Number:6441-77-6

Name:C.I.Acid Red 97,C.I.22890 Molecular Structure: Double azo class Molecular Formula:C32H20N4Na2O8S2 Molecular Weight: 698.63 CAS Registry Number:10169-02-5