dye|World dye variety

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

Name:C.I.Acid Black 18,C.I.27790 Molecular Structure: Double azo class Molecular Formula:C26H16N5Na3O10S3 Molecular Weight: 723.6 CAS Registry Number:6227-09-4

Name:C.I.Acid Black 17,C.I.20350 Molecular Structure: Double azo class Molecular Formula:C26H17N5Na2O7S2 Molecular Weight: 621.55 CAS Registry Number:2668-05-5

Name:C.I.Acid Black 16,C.I.20345 Molecular Structure: Double azo class Molecular Formula:C22H14N6Na2O9S2 Molecular Weight: 616.49 CAS Registry Number:5863-90-1

Name:C.I.Acid Black 7,C.I.26300 Molecular Structure: Double azo class Molecular Formula:C30H19N5Na2O6S2 Molecular Weight: 655.61 CAS Registry Number:8004-59-9