dye|World dye variety

Name:C.I.Direct Violet 7,C.I.27855 Molecular Structure: Double azo class Molecular Formula:C32H27N5Na2O7S2 Molecular Weight: 703.70 CAS Registry Number:6227-10-7

Name:C.I.Direct Violet 6,C.I.25385 Molecular Structure: Double azo class Molecular Formula:C39H26N8Na4O15S4 Molecular Weight: 1066.89 CAS Registry Number:6771-82-0

Name:C.I.Direct Violet 5,C.I.27660 Molecular Structure: Double azo class Molecular Formula:C27H19N5Na2O7S2 Molecular Weight: 635.58 CAS Registry Number:6227-01-6

Name:C.I.Direct Violet 4,C.I.22555 Molecular Structure: Double azo class Molecular Formula:C32H22N6Na2O8S2 Molecular Weight: 728.66 CAS Registry Number:6472-95-3

Name:C.I.Direct Violet 3,C.I.22445 Molecular Structure: Double azo class Molecular Formula:C32H19N4Na3O11S3 Molecular Weight: 800.68 CAS Registry Number:6507-83-1