dye|World dye variety

Name:C.I.Direct Brown 56,C.I.22040 Molecular Structure: Double azo class Molecular Formula:C28H22N7NaO4S Molecular Weight: 575.57 CAS Registry Number:6486-31-3

Name:C.I.Direct Brown 54,C.I.31735 Molecular Structure: trisazo class Molecular Formula:C35H22N6Na2O7S Molecular Weight: 716.63 CAS Registry Number:8003-50-7

Name:C.I.Direct Brown 53,C.I.13320 Molecular Structure: Single azo class Molecular Formula:C28H21N6NaO3S3 Molecular Weight: 608.69 CAS Registry Number:10214-08-1

Name:C.I.Direct Brown 52,C.I.31885 Molecular Structure: trisazo class Molecular Formula:C37H27N8Na3O10S2 Molecular Weight: 876.76 CAS Registry Number:6505-12-0

Name:C.I.Direct Brown 51,C.I.31710 Molecular Structure: trisazo class Molecular Formula:C35H23N8Na3O10S2 Molecular Weight: 848.71 CAS Registry Number:4623-91-0