dye|World dye variety

Name:C.I.Direct Red 4,C.I.29165 Molecular Structure: Double azo class Molecular Formula:C37H23N6Na3O12S3 Molecular Weight: 908.78 CAS Registry Number:6420-41-3

Name:C.I.Direct Red 3,C.I.15080 Molecular Structure: Azo class Molecular Formula:C26H19N3Na2O8S3 Molecular Weight: 643.62 CAS Registry Number:2846-11-9

Name:C.I.Direct Red 2,C.I.23500 Molecular Structure: Double azo class Molecular Formula:C34H26N6Na2O6S2 Molecular Weight: 724.72 CAS Registry Number:992-59-6

Name:C.I.Direct Red 1,C.I.22310 Molecular Structure: Double azo class Molecular Formula:C30H19N5Na2O6 Molecular Weight: 591.84 CAS Registry Number:2429-84-7

Name:C.I.Direct Orange 121 Molecular Structure: Double azo class Molecular Formula: Molecular Weight: CAS Registry Number: