dye|World dye variety

Name:C.I.Direct Black 100,C.I.35415 Molecular Formula:C52H30N8Na4O16S4 Molecular Weight: 1243.06 CAS Registry Number:6358-73-2

Name:C.I.Direct Black 97,C.I.35810 Molecular Structure: Multi-azo class Molecular Formula:C42H26N10Na4O16S2 Molecular Weight: 1082.80 CAS Registry Number:6409-86-5

Name:C.I.Direct Black 96,C.I.27770 Molecular Structure: Double azo class Molecular Formula:C35H25N5Na2O10S2 Molecular Weight: 785.71 CAS Registry Number:8004-74-8

Name:C.I.Direct Black 91,C.I.30400 Molecular Structure: trisazo class Molecular Formula:C38H25N8Na3O13S Molecular Weight: 902.69 CAS Registry Number:6739-62-4

Name:C.I.Direct Black 90,C.I.21530 Molecular Structure: Double azo class Molecular Formula:C22H17N7Na2O7S2 Molecular Weight: 601.52 CAS Registry Number:6449-77-0