dye|World dye variety

Name:C.I.Acid Black 26,C.I.27070 Molecular Structure: Double azo class Molecular Formula:C32H21N5Na2O7S2 Molecular Weight: 697.65 CAS Registry Number:6262-07-3

Name:C.I.Acid Black 24,C.I.26370 Molecular Structure: Double azo class Molecular Formula:C36H23N5Na2O6S2 Molecular Weight: 731.71 CAS Registry Number:3071-73-6

Name:C.I.Acid Black 23,C.I.27230 Molecular Structure: Double azo class Molecular Formula:C26H17N5Na2O7S2 Molecular Weight: 621.55 CAS Registry Number:

Name:C.I.Acid Black 21,C.I.26405 Molecular Structure: Double azo class Molecular Formula:C37H25N5Na2O6S2 Molecular Weight: 745.74 CAS Registry Number:10142-78-6

Name:C.I.Acid Black 20,C.I.27065 Molecular Structure: Double azo class Molecular Formula:C26H18N5NaO4S Molecular Weight: 519.51 CAS Registry Number: