dye|World dye variety

Name:C.I.Direct Black 78,C.I.30015 Molecular Structure: Double azo class Molecular Formula:C32H23N9Na2O7S2 Molecular Weight: 755.69 CAS Registry Number:8003-79-0

Name:C.I.Direct Black 77,C.I.35860 Molecular Structure: Multi-azo class Molecular Formula:C42H25N11Na4O15S4 Molecular Weight: 1143.94 CAS Registry Number:6409-85-4

Name:C.I.Direct Black 76,C.I.35865 Molecular Structure: Multi-azo class Molecular Formula:C46H27N11Na4O15S4 Molecular Weight: 1193.99 CAS Registry Number:

Name:C.I.Direct Black 75,C.I.35870 Molecular Structure: Multi-azo class Molecular Formula:C50H27N8Na5O17S5 Molecular Weight: 1287.07 CAS Registry Number:2679-49-4

Name:C.I.Direct Black 74,C.I.34180 Molecular Structure: trisazo class Molecular Formula:C40H22N7Na5O16S5 Molecular Weight: 1131.92 CAS Registry Number:6428-56-4