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BENZIDINE-BASED DYES

Compound Group
This compound group has not yet been assigned a structural definition.

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Group Members (49)

Group Members for Compound Group
CASRN CHEMICAL NAME
2610-05-1 C.I. Direct Blue 1
2429-74-5 C.I. Direct Blue 15
6459-94-5 C.I. Acid Red 114
28407-37-6 Direct Blue 218
314-13-6 Evans blue
72-57-1 Trypan Blue
101200-51-5 Benzoic acid, 2-[[2-amino-5-hydroxy-6-[ [4'-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]-3,3'-dimethoxy [1,1'-biphenyl]-4-yl]azo]-7-sulfo-1-naphthaleny l]azo]-5-nitro-, disodium salt
12222-00-3 EINECS 235-414-2
2150-54-1 2,7-Naphthalenedisulfonic acid, 3,3'-[(3,3'-dimethyl[1,1'- biphenyl]-4,4'-diyl)bis(azo)]bis[4,5-dihydroxy-, tetrasodium salt
2429-71-2 1-Naphthalenesulfonic acid, 3,3'-[(3,3'-dimethoxy[1,1'- biphenyl]-4,4'-diyl)bis(azo)]bis[4-hydroxy-, disodium salt
4198-19-0 2,7-Naphthalenedisulfonic acid, 3,3'-[(3,3'-dimethoxy[1,1'- biphenyl]-4,4'-diyl)bis(azo)]bis[4,5-dihydroxy- , tetrasodium salt
6449-35-0 1-Naphthalenesulfonic acid, 3-[[4'-[(6-amino-1-hydroxy- 3-sulfo-2-naphthalenyl)azo]-3,3'-dimethoxy[1,1' -biphenyl]-4-yl]azo]-4-hydroxy-, disodium salt
6548-29-4 2,7-Naphthalenedisulfonic acid, 4,4'-[(3,3'-dichloro[1,1'- biphenyl]-4,4'-diyl)bis(azo)]bis[3-amino-, tetrasodium salt
66418-17-5 Cuprate(3-), [_-[4-[[4'-[(6-amino-1- hydroxy-3-sulfo-2-naphthalenyl)azo]-3,3'-dihydroxy [1,1'-biphenyl]-4-yl]azo]-3-hydroxy-2,7-naphthalenedisulfonat o(7-)]]di-, trisodium
6739-62-4 Direct Black 21 trisodium
70210-32-1 Benzenesulfonic acid, 3-(benzoylamino)-4-hydroxy- 5-[[1-[[[4'-[[2-[[2-hydroxy-5-(methylsulfonyl)phenyl ]azo]-1,3-dioxobutyl]amino]-3,3'-dimethoxy[1,1 '-biphenyl]-4-yl]amino]carbonyl]-2-oxopropyl]az o]-, monosodium salt
71550-22-6 2,7-Naphthalenedisulfonic acid, 3,3'-[(3,3'-dimethoxy[1,1'- biphenyl]-4,4'-diyl)bis(azo)]bis[5-amino-4-hydroxy -, tetralithium salt
71566-41-1 Benzoic acid, 2-(2-(2-amino-5-hydroxy-6-(2-(4'-(2-(2-hydroxy-6-sulfo-1-naphthalenyl)diazenyl)-3,3'-dimethoxy(1,1'-biphenyl)-4-yl)diazenyl)-7-sulfo-1-naphthalenyl)diazenyl)-5-nitro-, sodium salt (1:3)
71873-63-7 EINECS 276-136-1
992-59-6 C.I. Direct Red 2
117-33-9 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[2-[4'-[2-(4-hydroxyphenyl)diazenyl][1,1'- biphenyl]-4-yl]diazenyl]-
65150-87-0 1,3,6-Naphthalenetrisulfonic acid, 8-hydroxy-7-[2-[4'-[2-(2-hydroxy-1-naphthalenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-, lithium salt (1:3)
68214-82-4 2,7-Naphthalenedisulfonic acid, 5-amino-3- [2-[4'-[2-(7-amino-1-hydroxy-3-sulfo-2- naphthalenyl)diazenyl][1,1'-biphenyl]-4- yl]diazenyl]-4-hydroxy-, sodium salt (1:2)
72379-45-4 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[2-[4'-[2-[2-hydroxy-4-[(2-methylphenyl)amino]phenyl]diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-6-(2-phenyldiazenyl)-
2586-57-4 C.I. Direct Blue 22, C.I.24280
64743-15-3 C.I. Direct Brown 222, C.I.30368
6405-94-3 Benzenesulfonic acid, 3,3'-((3,3'-dimethyl(1,1'-biphenyl)-4,4'-diyl)bis(2,1-diazenediyl))bis(2,4-diamino-5-methyl-, sodium salt (1:2)
6358-29-8 C.I. Direct Red 39, C.I.23630
68966-50-7 2,7-Naphthalenedisulfonic acid, 3,3'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-amino-4-hydroxy-, sodium salt
68140-31-8 Cuprate(3-), [.mu.-[3-[[4'-[(2,8-dihydroxy-6-sulfo-1-naphthalenyl)azo]-3,3'-dihydroxy[1,1'-biphenyl]-4-yl]azo]-4,5-dihydroxy-2,7-naphthalenedisulfonato(7-)]]di-, trisodium
66225-65-8 Cuprate(2-), [5-[[4'-[[2,6-dihydroxy-3-[(2-hydroxy-5-sulfophenyl)azo]phenyl]azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2-hydroxybenzoato(4-)]-, disodium
benzidine based azo dyes 4,4'-diarylazobiphenyl dyes, with the exception of those specified elsewhere in Annex VI of Regulation (EC) No 1272/2008
65151-33-9 2,7-Naphthalenedisulfonic acid, 4,4'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(2,1-diazenediyl))bis(3-hydroxy-, sodium salt (1:4)
66214-51-5 2,7-Naphthalenedisulfonic acid, 5-amino-3-(2-(4'-(2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl)-3,3'-dimethyl(1,1'-biphenyl)-4-yl)diazenyl)-4-hydroxy-, sodium salt (1:3)
68084-09-3 2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-(2-(4'-(2-(2-hydroxy-3,6-disulfo-1-naphthalenyl)diazenyl)-3,3'-dimethoxy(1,1'-biphenyl)-4-yl)diazenyl)-, sodium salt (1:4)
68084-22-0 2,7-Naphthalenedisulfonic acid, 4-(2-(4'-(2-(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl)-3,3'-dimethoxy(1,1'-biphenyl)-4-yl)diazenyl)-3-hydroxy-, sodium salt (1:3)
68345-21-1 EINECS 269-849-4
68966-43-8 2,7-Naphthalenedisulfonic acid, 3,3'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(2,1-diazenediyl))bis(5-amino-4-hydroxy-, sodium salt, compd. with 2,2'-iminobis(ethanol) (1:?:?)
71701-30-9 2,7-Naphthalenedisulfonic acid, 3-(2-(3,3'-dimethyl-4'-(2-(4-((phenylsulfonyl)oxy)phenyl)diazenyl)(1,1'-biphenyl)-4-yl)diazenyl)-4-hydroxy-, sodium salt (1:2)
17011-51-7 Ethanesulfonic acid, 2,2'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(1-methyl-2-triazene-3,1-diyl))bis-, sodium salt (1:2)
3841-14-3 C.I. Direct Blue 1 C.I. 24410 C34H28N6O16S4
117-32-8 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[[4'-[(4-hydroxyphenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-
65152-14-9 1,6-Naphthalenedisulfonic acid, 4-amino-3-[[4'-[(1-amino-4-sulfo-2-naphthalenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-, trisodium salt
65152-15-0 1,7-Naphthalenedisulfonic acid, 4-amino-3-[[4'-[(1-amino-4-sulfo-2-naphthalenyl)azo]- 3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-, trisodium salt
66418-18-6 Cuprate(4-), [.mu.-[3-[[3,3'-dihydroxy-4'-[(2-hydroxy-3,6-disulfo-1- naphthalenyl)azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-2,7-naphthalene disulfonato(8-)]]di-, tetrasodium
67893-48-5 Benzoic acid, 5-[[4'-[(2,4-diamino-5-sulfophenyl) azo]-3,3'-dimethyl[1,1'-biphenyl]-4- yl]azo]-2-hydroxy-, disodium salt
68084-21-9 1,3-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-6-[[4'-[(2-hydroxy-3,6-disulfo-1- naphthalenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-, tetrasodium salt
68084-23-1 1,3-Naphthalenedisulfonic acid, 4-amino-6-[[4'-[(1,8-dihydroxy-3,6-disulfo-2- naphthalenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-5-hydroxy-,tetrasodium salt
70632-09-6 Benzoic acid, 5-[[4'-[[2,6-diamino-3-[(4-sulfophenyl) azo]phenyl]azo]-3,3'-dimethyl [1,1'- biphenyl]-4-yl]azo]-2-hydroxy-, dilithium salt
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