dye|World dye variety

Name:C.I.Direct Blue 140,C.I.27640 Molecular Structure: Double azo class Molecular Formula:C26H18N6Na2O7S2 Molecular Weight: 636.57 CAS Registry Number:6226-99-9

Name:C.I.Direct Blue 138,C.I.26650 Molecular Structure: Double azo class Molecular Formula:C27H18ClN5Na2O8S2 Molecular Weight: 686.02 CAS Registry Number:6252-59-1

Name:C.I.Direct Blue 136,C.I.24065 Molecular Structure: Double azo class Molecular Formula:C35H31N7Na2O11S2 Molecular Weight: 835.77 CAS Registry Number:6473-30-9

Name:C.I.Direct Blue 135,C.I.34290 Molecular Structure: trisazo class Molecular Formula:C36H25N9Na2O7S2 Molecular Weight: 805.75 CAS Registry Number:6428-22-4

Name:C.I.Direct Blue 133,C.I.34005 Molecular Structure: trisazo class Molecular Formula:C38H26N7Na3O9S3 Molecular Weight: 889.82 CAS Registry Number:8006-04-0