dye|World dye variety

Name:C.I.Direct Violet 21,C.I.23520 Molecular Structure: Double azo class Molecular Formula:C34H25N5Na2O7S2 Molecular Weight: 725.70 CAS Registry Number:6470-45-7

Name:C.I.Direct Violet 17,C.I.22465 Molecular Structure: Double azo class Molecular Formula:C38H24N5Na3O11S3 Molecular Weight: 891.79 CAS Registry Number:6426-65-9

Name:C.I.Direct Violet 16,C.I.27760 Molecular Structure: Double azo class Molecular Formula:C24H18N5Na3O10S3 Molecular Weight: 701.59 CAS Registry Number:6227-07-2

Name:C.I.Direct Violet 14,C.I.29105 Molecular Structure: Double azo class Molecular Formula:C36H29N5Na2O8S2 Molecular Weight: 769.76 CAS Registry Number:6420-38-8

Name:C.I.Direct Violet 13,C.I.24080 Molecular Structure: Double azo class Molecular Formula:C31H27N6NaO7S Molecular Weight: 650.64 CAS Registry Number:13478-92-7