Name: N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea
CA Name: 2-Naphthalenesulfonic acid,7,7′-(carbonyldiimino)bis[4-hydroxy-,
Molecular Structure:
N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea,2-Naphthalenesulfonic acid,7,7′-(carbonyldiimino)bis[4-hydroxy-,,CAS 134-47-4,504.49,C21H16N2O9S2
C
21H
16N
2O
9S
2
Molecular Weight: 504.49
CAS Registry Number: 134-47-4
List of synthetic dyes :
C.I.Direct Orange 102
C.I.Direct Orange 26
C.I.Direct Red 14
C.I.Direct Red 191
C.I.Direct Red 23
C.I.Direct Red 257
C.I.Direct Red 32
C.I.Direct Red 54
C.I.Direct Red 73
C.I.Direct Red 98
C.I.Direct Violet 87
C.I.Direct Orange 108
C.I.Direct Orange 29
C.I.Direct Red 176
C.I.Direct Red 194
C.I.Direct Red 24
C.I.Direct Red 26
C.I.Direct Red 36
C.I.Direct Red 62
C.I.Direct Red 80
C.I.Direct Red 99
C.I.Direct Violet 89
C.I.Direct Orange 118
C.I.Direct Red 122
C.I.Direct Red 189
C.I.Direct Red 220
C.I.Direct Red 250
C.I.Direct Red 264
C.I.Direct Red 4
C.I.Direct Red 72
C.I.Direct Red 83
C.I.Direct Violet 103
C.I.Direct Brown 112
