dye|World dye variety

Name:C.I.Direct Blue 42,C.I.22505 Molecular Structure: Double azo class Molecular Formula:C32H21N5Na2O8S2 Molecular Weight: 713.65 CAS Registry Number:6426-71-7

Name:C.I.Direct Blue 41,C.I.42700 Molecular Structure: triarylmethane class Molecular Formula:C40H30N3NaO6S2 Molecular Weight: 735.8 CAS Registry Number:1324-86-3

Name:C.I.Direct Blue 39,C.I.30390 Molecular Structure: trisazo class Molecular Formula:C41H30N9Na3O13S3 Molecular Weight: 1021.9 CAS Registry Number:6360-70-9

Name:C.I.Direct Blue 38,C.I.30090 Molecular Structure: trisazo class Molecular Formula:C38H26N9Na3O11S3 Molecular Weight: 949.83 CAS Registry Number:1324-83-0

Name:C.I.Direct Blue 37,C.I.24270 Molecular Structure: Double azo class Molecular Formula:C34H20Cl2N4Na4O16S4 Molecular Weight: 1031.67 CAS Registry Number:6655-98-7