Aromatic Azo- and Benzidine-Based Substances
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Archived
Benzidine-based Dyes
| Substances | Colour Index (C.I.) Information [1] | Empirical Data Availability [***] | Section 71 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Chemical Abstracts Service Registry Number (CAS RN) | Domestic Substances List (DSL) Name[2] | C.I. Generic Name(s) | C.I. Consti- tution Number(s) |
Other CASNo. Asso- ciated with C.I. name / number |
Physical-Chemical Properties | Ecolo- gical End- points |
Health End- points |
|||
| Water Solu- bility |
Log Kow | Mel- ting / Decom- posi- tion point |
||||||||
| Benzidine Acid Dyes | ||||||||||
| 3701-40-4 | 2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-[[4’-[(2-hydroxy-1-naphthalenyl)azo]-2,2’-dimethyl[1,1’-biphenyl]-4-yl]azo]-, disodium salt | C.I. Acid Red 99 | C.I.23285 | -- | X | -- | X | X | X | N |
| 6358-57-2 | 2,7-Naphthalenedisulfonic acid, 3-[[2,2’-dimethyl-4’-[[4-[[(4-methylphenyl)sulfonyl]oxy] phenyl]azo][1,1’-biphenyl]-4-yl]azo]-4-hydroxy-, disodium salt |
C.I. Acid Red 111 | C.I.23266 | -- | X | -- | X | X | X | Y |
| 6459-94-5 | 1,3-Naphthalenedisulfonic acid, 8-[[3,3’-dimethyl-4’-[[4-[[(4-methylphenyl)sulfonyl]oxy] phenyl]azo][1,1’-biphenyl]-4-yl]azo]-7-hydroxy-, disodium salt |
C.I. Acid Red 114 | C.I.23635 | -- | -- | -- | -- | -- | -- | Y |
| 6470-20-8 | [1,1’-Biphenyl]-2,2’-disulfonic acid, 4-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4’-[(2-hydroxy-1-naphthalenyl)azo]-, disodium salt | C.I. Acid Orange 56 | C.I.22895 | -- | -- | -- | -- | -- | -- | Y |
| 6548-30-7 | 1,3-Naphthalenedisulfonic acid, 8-[[3,3’-dimethoxy-4’-[[4-[[(4-methylphenyl)sulfonyl]oxy] phenyl]azo][1,1’-biphenyl]- 4-yl]azo]-7-hydroxy-, disodium salt |
C.I. Acid Red 128 | C.I.24125 | -- | -- | -- | -- | -- | -- | N |
| 10169-02-5 | [1,1’-Biphenyl]-2,2’-disulfonic acid, 4,4’-bis[(2-hydroxy-1-naphthalenyl)azo]-, disodium salt | C.I. Acid Red 97 | C.I.22890 | -- | -- | -- | -- | -- | -- | Y |
| 68318-35-4 | 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4’-[(2,4-dihydroxyphenyl)azo]-3,3’-dimethyl[1,1’-biphenyl]-4-yl]azo]-5-hydroxy-6-[(4-sulfophenyl)azo]-, trisodium salt | -- | -- | -- | -- | -- | -- | -- | X | N |
| 68400-36-2 | 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-6-[[4’-[(4-hydroxyphenyl)azo]-3,3’-dimethyl[1,1’-biphenyl]-4-yl]azo]-3-[(4-nitrophenyl)azo]-, disodium salt | -- | -- | -- | -- | -- | -- | -- | X | Y |
| 83221-63-0 | 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4’-[(2,4-diaminophenyl)azo]-2,2’-disulfo[1,1’-biphenyl]- 4-yl]azo]-5-hydroxy-6-(phenylazo)-, sodium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 89923-60-4 | Benzenesulfonic acid, 3,3’-[(2,2’-dimethyl[1,1’-biphenyl]-4,4’-diyl)bis[azo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)]]bis[4-chloro-, disodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| Benzidine Direct Dyes | ||||||||||
| 72-57-1 | 2,7-Naphthalenedisulfonic acid, 3,3’-[(3,3’-dimethyl[1,1’-biphenyl]-4,4’-diyl)bis(azo)]bis[5-amino-4-hydroxy-, tetrasodium salt | C.I.Direct Blue 14 | C.I.23850 | -- | X | -- | X | X | X | N |
| 573-58-0 | 1-Naphthalenesulfonic acid, 3,3’-[[1,1’-biphenyl]-4,4’-diylbis(azo)]bis[4-amino-, disodium salt | C.I.Direct Red 28 | C.I.22120 | -- | X | X | X | X | X | N |
| 992-59-6 | 1-Naphthalenesulfonic acid, 3,3’-[(3,3’-dimethyl[1,1’-biphenyl]-4,4’-diyl)bis(azo)]bis[4-amino-, disodium salt | C.I.Direct Red 2 | C.I.23500 | -- | -- | -- | X | X | X | Y |
| 1937-37-7 | 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4’-[(2,4-diaminophenyl)azo] [1,1’-biphenyl]-4-yl] azo]-5-hydroxy-6-(phenylazo)-, disodium salt |
C.I.Direct Black 38 | C.I.30235 | -- | X | -- | -- | X | X | N |
| 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 |
C.I.Direct Blue 25 | C.I.23790 | 25180272 | -- | -- | -- | -- | X | Y |
| 2429-71-2 | 1-Naphthalenesulfonic acid, 3,3’-[(3,3’-dimethoxy [1,1’-biphenyl]-4,4’-diyl)bis(azo)]bis[4-hydroxy-, disodium salt |
C.I.Direct Blue 8 | C.I.24140 | 25180227 | -- | -- | -- | -- | X | Y |
| 2429-74-5 | 2,7-Naphthalenedisulfonic acid, 3,3’-[(3,3’-dimethoxy [1,1’-biphenyl]-4,4’-diyl)bis(azo)]bis[5-amino-4-hydroxy-, tetrasodium salt |
C.I.Direct Blue 15 | C.I.24400 | -- | X | -- | -- | X | X | N |
| 6420-06-0 | 1-Naphthalenesulfonic acid, 4-hydroxy-3-[[4’-[(1-hydroxy-5-sulfo-2-naphthalenyl)azo]-3,3’-dimethyl[1,1’-biphenyl]-4-yl]azo]-, disodium salt | C.I.Direct Violet 28 | C.I.23685 | 25188492 | -- | -- | -- | -- | X | N |
| 6420-22-0 | 2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4’-[(6-amino- 1-hydroxy-3-sulfo-2-naphthalenyl)azo]-3,3’-dimethyl[1,1’-biphenyl]-4-yl]azo]-4-hydroxy-, trisodium salt |
C.I.Direct Blue 295 | C.I.23820 | -- | -- | -- | -- | -- | -- | Y |
| 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 | C.I.Direct Blue 151 | C.I.24175 | 25255054 | -- | -- | -- | X | X | Y |
| 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 | C.I.Direct Red 46 | C.I.23050 | -- | -- | -- | -- | -- | X | Y |
| 6655-95-4 | Acetic acid, 2,2’-[[4,4’-bis[[1-hydroxy-6-[(4-methoxyphenyl)amino]-3-sulfo-2-naphthalenyl]azo][1,1’-biphenyl]-3,3’-diyl]bis(oxy)]bis-, tetrasodium salt | C.I.Direct Blue 158 | C.I.24555 | -- | -- | -- | -- | -- | -- | Y |
| 16071-86-6 | Cuprate(2-), [5-[[4’- [[2,6-dihydroxy-3-[(2-hydroxy-5-sulfophenyl)azo]phenyl] azo][1,1’-biphenyl]-4-yl]azo]-2-hydroxybenzoato(4-)]-, disodium |
C.I.Direct Brown 95 | C.I.30145 | -- | -- | -- | -- | X | X | Y |
| 67923-89-1 | 2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3- [[4’-[(1-hydroxy-4-sulfo-2-naphthalenyl)azo]-3,3’-dimethoxy[1,1’-biphenyl]-4-yl]azo]-, trilithium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 70210-28-5 | Benzoic acid, 5-[[4’-[[6-amino-5-(1H-benzotriazol-5-ylazo)- 1-hydroxy-3-sulfo-2-naphthalenyl]azo]-3,3’-dimethoxy[1,1’-biphenyl]-4-yl]azo]-2-hydroxy-4-methyl-, disodium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 71215-83-3 | Benzoic acid, 5-[[4’-[(2-amino-8-hydroxy-6-sulfo-1- naphthalenyl)azo]-2,2’-dichloro[1,1’-biphenyl]-4-yl]azo]-2-hydroxy-, disodium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 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 |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 72252-59-6 | [1,1’-Biphenyl]-3,3’-dicarboxylic acid, 4-[[5-[[5-(aminosulfonyl)-2-hydroxyphenyl]azo]-1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]azo]-4’-[[1-[[(3-carboxy-4-hydroxyphenyl)amino]carbonyl]-2-oxopropyl]azo]-, tetrasodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 75659-72-2 | 2,7-Naphthalenedisulfonic acid, 3,3’-[(3,3’-dimethoxy [1,1’-biphenyl]-4,4’-diyl)bis(azo)]bis[5-amino-4-hydroxy-, monolithium trisodium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 75659-73-3 | 2,7-Naphthalenedisulfonic acid, 3,3’-[(3,3’-dimethoxy [1,1’-biphenyl]-4,4’-diyl)bis(azo)]bis[5-amino-4-hydroxy-, dilithium disodium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 75673-18-6 | 2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3- [[4’-[(1-hydroxy-4-sulfo-2-naphthalenyl)azo]-3,3’-dimethoxy[1,1’-biphenyl]-4-yl]azo]-, monolithium disodium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 75673-19-7 | 2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3- [[4’-[(1-hydroxy-4-sulfo-2-naphthalenyl)azo]-3,3’-dimethoxy[1,1’-biphenyl]-4-yl]azo]-, dilithium monosodium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 75673-34-6 | 1-Naphthalenesulfonic acid, 3,3’-[(3,3’-dimethoxy [1,1’-biphenyl]-4,4’-diyl)bis(azo)]bis[4-hydroxy-, dilithium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 75673-35-7 | 1-Naphthalenesulfonic acid, 3,3’-[(3,3’-dimethoxy [1,1’-biphenyl]-4,4’-diyl)bis(azo)]bis[4-hydroxy-, monolithium monosodium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 75752-17-9 | 2,7-Naphthalenedisulfonic acid, 3,3’-[(3,3’-dimethoxy [1,1’-biphenyl]-4,4’-diyl)bis(azo)]bis[5-amino-4-hydroxy-, trilithium monosodium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| Benzidine Basic Dyes | ||||||||||
| 298-83-9 | 2H-Tetrazolium, 3,3’-(3,3’-dimethoxy[1,1’-biphenyl]-4,4’-diyl)bis[2-(4-nitrophenyl)-5-phenyl-, dichloride | -- | -- | -- | X | -- | X | -- | X | Y |
| 1871-22-3 | 2H-Tetrazolium, 3,3’-(3,3’-dimethoxy [1,1’-biphenyl]-4,4’-diyl)bis[2,5-diphenyl-, dichloride |
-- | -- | -- | -- | -- | X | -- | -- | N |
| Benzidine Unknown | ||||||||||
| 91-92-9 | 2-Naphthalenecarboxamide, N,N’-(3,3’-dimethoxy [1,1’-biphenyl]-4,4’-diyl)bis[3-hydroxy- |
C.I. Azoic Coupling Component 3 | C.I.37575 | -- | -- | -- | -- | -- | -- | Y |
| 93940-21-7 | 1-Triazene-1-carbonitrile, 3,3’-(3,3’-dimethoxy [1,1’-biphenyl]-4,4’-diyl)bis- |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
Notes and Legend
[1] C.I. Database unless otherwise noted
[2] National Chemical Inventories
[***] Entries indicate that one or more data points were found during a search of literature available in the public domain. The data has not been evaluated for relevence and are presented here to show the scope of the data available. The data availability information is current as of May 2011. List of references for health endpoints for each subgroup is available upon request.
-- = No studies were identified in the public domain.
X = One or more studies were identified in the public domain that will be evaluated for relevance to class assessment.