dye|World dye variety

Name:C.I.Direct Red 59,C.I.22420 Molecular Structure: Double azo class Molecular Formula:C32H23N5Na2O8S Molecular Weight: 683.61 CAS Registry Number:6655-94-3

Name:C.I.Direct Red 57,C.I.26720 Molecular Structure: Double azo class Molecular Formula:C33H20N6Na2O8S2 Molecular Weight: 738.66 CAS Registry Number:6406-48-0

Name:C.I.Direct Red 56,C.I.23600 Molecular Structure: Double azo class Molecular Formula:C34H24N6Na4O12S4 Molecular Weight: 928.81 CAS Registry Number:6406-05-9

Name:C.I.Direct Red 55,C.I.27780 Molecular Structure: Double azo class Molecular Formula:C34H22N7Na3O12S3 Molecular Weight: 885.75 CAS Registry Number:6227-08-3

Name:C.I.Direct Red 54,C.I.29215 Molecular Structure: Double azo class Molecular Formula:C41H24N6Na4O15S4 Molecular Weight: 1060.88 CAS Registry Number:6410-42-0