dye|World dye variety

Name:C.I.Acid Black 4,C.I.35420 Molecular Structure: Multi-azo class Molecular Formula:C55H38N10Na6O21S5 Molecular Weight: 1473.21 CAS Registry Number:7237-45-8

Name:C.I.Acid Black 3,C.I.27260 Molecular Structure: Molecular Formula:C30H16N4Na4O13S4 Molecular Weight: 860.69 CAS Registry Number:4197-00-6

Name:C.I.Acid Black 2,C.I.50420 Molecular Structure: azine class Molecular Formula: Molecular Weight: CAS Registry Number:8005-03-6

Name:C.I.Acid Black 1,C.I.20470 Molecular Structure: Double azo class Molecular Formula:C22H14N6Na2O9S2 Molecular Weight: 616.49 CAS Registry Number:1064-48-8

Name:C.I.Acid Brown 474 Molecular Structure: Single azo class Molecular Formula: Molecular Weight: CAS Registry Number: