dye|World dye variety

Name:C.I.Direct Red 34,C.I.23570 Molecular Structure: Double azo class Molecular Formula:C34H25N6Na3O9S3 Molecular Weight: 826.76 CAS Registry Number:574-65-2

Name:C.I.Direct Red 33,C.I.22306 Molecular Structure: Double azo class Molecular Formula:C29H19N5Na2O7S Molecular Weight: 627.54 CAS Registry Number:6253-15-2

Name:C.I.Direct Red 32,C.I.35790 Molecular Structure: Multi-azo class Molecular Formula:C53H30N10Na6O21S6 Molecular Weight: 1473.19 CAS Registry Number:33448-68-9

Name:C.I.Direct Red 31,C.I.29100 Molecular Structure: Double azo class Molecular Formula:C32H21N5Na2O8S2 Molecular Weight: 713.65 CAS Registry Number:5001-72-9

Name:C.I.Direct Red 29,C.I.22305 Molecular Structure: Double azo class Molecular Formula:C29H19N5Na2O7S Molecular Weight: 627.54 CAS Registry Number:6426-54-6