dye|World dye variety

Name:C.I.Direct Red 53,C.I.22405 Molecular Structure: Double azo class Molecular Formula:C28H19N5Na2O8S2 Molecular Weight: 663.59 CAS Registry Number:6375-58-2

Name:C.I.Direct Red 52,C.I.22290 Molecular Structure: Double azo class Molecular Formula:C29H18N4Na2O8S Molecular Weight: 628.52 CAS Registry Number:6797-93-9

Name:C.I.Direct Red 51,C.I.14990 Molecular Structure: Single azo class Molecular Formula:C26H19N3Na2O7S3 Molecular Weight: 627.62 CAS Registry Number:5858-75-3

Name:C.I.Direct Red 50,C.I.31525 Molecular Structure: trisazo class Molecular Formula:C28H19N6NaO8S Molecular Weight: 622.54 CAS Registry Number:13194-98-4

Name:C.I.Direct Red 49,C.I.25375 Molecular Structure: Double azo class Molecular Formula:C35H26N8Na4O13S4 Molecular Weight: 986.85 CAS Registry Number:6772-28-7