dye|World dye variety

Name:C.I.Direct Red 9 Molecular Structure: Azo,Benzothiazole class Molecular Formula:C34H19ClN8Na4O12S4 Molecular Weight: 987.23 CAS Registry Number:70209-93-7/61724-94-5

Name:C.I.Direct Red 8,C.I.28105/28015 Molecular Structure: Double azo class Molecular Formula:C25H18ClN5Na2O8S2 Molecular Weight: 662.01 CAS Registry Number:5873-18-7

Name:C.I.Direct Red 7,C.I.24100 Molecular Structure: Double azo class Molecular Formula:C34H26N6Na2O8S2 Molecular Weight: 756.72 CAS Registry Number:2868-75-9

Name:C.I.Direct Red 6,C.I.27130 Molecular Structure: Double azo class Molecular Formula:C33H20N6Na2O8S2 Molecular Weight: 738.66 CAS Registry Number:6226-71-7

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