Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Red 221,C.I.20065 Molecular Structure: Double azo Molecular Formula:C50H42Cl2N6O8 Molecular Weight: 925.81 CAS Registry Number:61815-09-6/71566-54-6

Name:C.I.Pigment Red 220,C.I.20055 Molecular Structure: Double azo Molecular Formula:C50H42Cl2N6O8 Molecular Weight: 925.81 CAS Registry Number:68259-05-2

Name:C.I.Pigment Red 218 Molecular Structure: Double azo Molecular Formula:C40H22Cl6N6O4 Molecular Weight: 863.36 CAS Registry Number:

Name:C.I.Pigment Red 216,C.I.59710 Molecular Structure: fused ring Molecular Formula:C30H14O2 Molecular Weight: 406.43 CAS Registry Number:1324-33-0/71838-93-2

Name:C.I.Pigment Red 214,C.I.200660 Molecular Structure: Double azo Molecular Formula:C40H22Cl6O4 Molecular Weight: 863.36 CAS Registry Number:40618-31-3