Aromatic Azo- and Benzidine-Based Substances
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Azo Direct 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 | 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 |
||||||||
| 1325-37-7 | C.I.Direct Yellow 11 | C.I.Direct Yellow 11 | C.I.40000 | 98171621, 65150803 | -- | -- | -- | X | X | Y |
| 6471-09-6 | Benzoic acid, 5-[[4-[[4-[[4-[(4-amino-9,10-dihydro-9,10-dioxo-3-sulfo-1-anthracenyl)amino]-2-sulfophenyl]amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]phenyl]azo]-2-hydroxy-, trisodium salt | C.I.Direct Green 28 | C.I.14155 | -- | -- | -- | X | X | -- | Y |
| 10114-47-3 | 7-Benzothiazolesulfonic acid, 2,2’-(azodi-4,1-phenylene)bis[6-methyl-, disodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 65150-80-3 | C.I.Direct Yellow 11, lithium salt | C.I.Direct Yellow 11, lithium salt | -- | -- | X | -- | -- | -- | -- | Y |
| 71033-21-1 | Benzothiazolesulfonic acid, 2,2’-(azodi-4,1-phenylene)bis[6-methyl-, disodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| Substances | Colour Index (C.I.) Information [1] | Empirical Data Availability [***] | Section 71 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Chemical Abstracts Service Registry Number (CAS RN) | Domestic Substances List (DSL) Name | 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 |
||||||||
| 2829-42-7 | Benzoic acid, 3,3’-[carbonylbis(imino-4,1-phenyleneazo)]bis[6-hydroxy-, disodium salt | C.I.Direct Yellow 26 | C.I.25300 | 25849267 | -- | -- | -- | X | -- | Y |
| 2870-32-8 | Benzenesulfonic acid, 2,2’-(1,2-ethenediyl)bis[5-[(4-ethoxyphenyl)azo]-, disodium salt | C.I.Direct Yellow 12 | C.I.24895 | -- | X | -- | -- | X | -- | Y |
| 3214-47-9 | 1,5-Naphthalenedisulfonic acid, 3,3’-[carbonylbis[imino(2-methyl-4,1-phenylene)azo]]bis-, tetrasodium salt | C.I.Direct Yellow 50 | C.I.29025 | 25738243 | -- | -- | -- | X | -- | Y |
| 3626-36-6 | 2-Naphthalenesulfonic acid, 7,7’-(carbonyldiimino)bis[4-hydroxy-3-(phenylazo)-, disodium salt | C.I.Direct Orange 26 | C.I.29150 | 25188232 | X | -- | -- | X | X | Y |
| 3687-80-7 | 1-Naphthalenesulfonic acid, 4-[[1-hydroxy-6-[[[[5-hydroxy-6-[(2-methoxyphenyl)azo]-7-sulfo-2-naphthalenyl]amino] carbonyl]amino]-3-sulfo-2-naphthalenyl]azo]-, trisodium salt |
C.I.Direct Red 26 | C.I.29190 | 25188356 | -- | -- | -- | -- | -- | Y |
| 5001-72-9 | 2-Naphthalenesulfonic acid, 7,7’-iminobis[4-hydroxy-3-(phenylazo)-, disodium salt | C.I.Direct Red 31 | C.I.29100 | 25188378 | -- | -- | -- | X | -- | Y |
| 5489-77-0 | 2-Naphthalenesulfonic acid, 3-[[4-[(2,4-dimethyl-6-sulfophenyl)azo]-2-methoxy-5-methylphenyl]azo]-4-hydroxy-7-(phenylamino)-, disodium salt | C.I.Direct Violet 51 | C.I.27905 | 25188538 | X | -- | -- | -- | -- | Y |
| 6420-33-3 | 1,5-Naphthalenedisulfonic acid, 3,3’-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis-, tetrasodium salt | C.I.Direct Yellow 34 | C.I.29060 | -- | -- | -- | -- | -- | X | Y |
| 6420-41-3 | 2-Naphthalenesulfonic acid, 4-hydroxy-7-[[[[5-hydroxy-6-(phenylazo)-7-sulfo-2-naphthalenyl]amino] carbonyl]amino]-3-[(6-sulfo-2-naphthalenyl)azo]-, trisodium salt |
C.I.Direct Red 4 | C.I.29165 | 25188276 | -- | -- | -- | -- | -- | Y |
| 6420-43-5 | 2-Naphthalenesulfonic acid, 4-hydroxy-7-[[[[5-hydroxy-6-[(2-methylphenyl)azo]-7-sulfo-2-naphthalenyl]amino] carbonyl]amino]-3-[(2-methyl-4-sulfophenyl)azo]-, trisodium salt |
C.I.Direct Red 62 | C.I.29175 | -- | -- | -- | -- | -- | -- | Y |
| 12217-64-0 | 1,3-Naphthalenedisulfonic acid, 7,7’-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis-, tetrasodium salt | C.I.Direct Orange 72 | C.I.29058 | -- | -- | -- | -- | -- | -- | Y |
| 28706-21-0 | 1,3-Naphthalenedisulfonic acid, 7,7’-[iminobis[carbonyl(2-methyl-4,1-phenylene)azo]]bis-, tetrasodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 38801-08-0 | Benzoic acid, 4,4’-[carbonylbis[imino(1-hydroxy-3-sulfo-6,2-naphthalenediyl)azo]]bis-, compd. with 2,2’,2’’-nitrilotris[ethanol] (1:4) | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 53523-90-3 | Benzoic acid, 3,3’-[1,2-ethenediylbis[(3-sulfo-4,1-phenylene)azo]]bis[6-hydroxy-5-methyl-, tetralithium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 72139-21-0 | Benzoic acid, 3,3’-[(1,4-dioxo-2-butene-1,4-diyl)bis(imino-4,1-phenyleneazo)]bis[6-hydroxy-, disodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 72152-50-2 | Benzoic acid, 2-[[6-[[4- [[6-(benzoylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-3-methylbenzoyl]amino]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-, trisodium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 72245-49-9 | Benzoic acid, 4-[[1-hydroxy-6-[[[[5-hydroxy-6-[(2-methyl-4-sulfophenyl)azo]-7-sulfo-2-naphthalenyl]amino] carbonyl]amino]-3-sulfo-2-naphthalenyl]azo]-, sodium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 72749-87-2 | 2-Naphthalenesulfonic acid, 7,7’-(carbonyldiimino)bis[4-hydroxy-3-[(2-methylphenyl)azo]-, disodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 72749-88-3 | 2-Naphthalenesulfonic acid, 7,7’-(carbonyldiimino)bis[4-hydroxy-3-[(2-methoxyphenyl)azo]-, disodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 72869-93-3 | 2-Naphthalenesulfonic acid, 7,7’-(carbonyldiimino)bis[4-hydroxy-3-[(6-sulfo-2-naphthalenyl)azo]-, compd. with 2,2’-(methylimino)bis[ethanol] (1:4) | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 75768-93-3 | 2-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-3-[[4-[(4-sulfophenyl)azo]phenyl]azo]-, compd. with 2,2’,2’’-nitrilotris[ethanol] (1:2) | C.I.Direct Red 81 triethanolamine salt[2] | -- | -- | X | -- | -- | -- | -- | Y |
| 83221-53-8 | Benzoic acid, 5-[[4-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-2-hydroxy-, sodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83221-54-9 | Benzoic acid, 3-[[4-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-2-hydroxy-, sodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83221-56-1 | 2-Naphthalenesulfonic acid, 7,7’-(carbonyldiimino)bis[4-hydroxy-3-(phenylazo)-, sodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83221-73-2 | Benzoic acid, 4,4’-[carbonylbis[imino(1-hydroxy-3-sulfo-6,2-naphthalenediyl)azo]]bis-, sodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83221-74-3 | Benzoic acid, 4-[[1-hydroxy-6-[[[[5-hydroxy-6-(phenylazo)-7-sulfo-2-naphthalenyl]amino] carbonyl]amino]-3-sulfo-2-naphthalenyl]azo]-, sodium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83232-28-4 | 2-Naphthalenesulfonic acid, 7,7’-(carbonyldiimino)bis[3-[[4-(acetylamino)phenyl]azo]-4-hydroxy-, sodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83232-29-5 | 2-Naphthalenesulfonic acid, 3-[[4-(acetylamino)phenyl]azo]-4-hydroxy-7-[[[[5-hydroxy-6-(phenylazo)-7-sulfo-2-naphthalenyl]amino] carbonyl]amino]-, sodium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83232-30-8 | 2-Naphthalenesulfonic acid, 7,7’-(carbonyldiimino)bis[4-hydroxy-3-[(2-methylphenyl)azo]-, sodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83232-31-9 | 2-Naphthalenesulfonic acid, 7,7’-(carbonyldiimino)bis[4-hydroxy-3-[(2-methyl-4-sulfophenyl)azo]-, sodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83232-32-0 | 2-Naphthalenesulfonic acid, 4-hydroxy-7-[[[[5-hydroxy-6-[(2-methylphenyl)azo]-7-sulfo-2-naphthalenyl]amino] carbonyl]amino]-3-[(2-methyl-4-sulfophenyl)azo]-, sodium salt |
-- | -- | -- | -- | -- | -- | X | X | Y |
| 83783-94-2 | 2,7-Naphthalenedisulfonic acid, 3,3’-[1,2-ethenediylbis[(3-sulfo-4,1-phenylene)azo]]bis[5-amino-4-hydroxy-, lithium sodium salt, compd. with 2,2’-(methylimino)bis[ethanol] | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83783-95-3 | 2-Naphthalenesulfonic acid, 3,3’-[1,2-ethenediylbis[(3-sulfo-4,1-phenylene)azo]]bis[6-amino-4-hydroxy-, lithium sodium salt, compd. with 2,2’-(methylimino)bis[ethanol] | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83783-96-4 | 2,7-Naphthalenedisulfonic acid, 5-amino-3-[[4-[2-[4-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-2-sulfophenyl]ethenyl]-3-sulfophenyl]azo]-4-hydroxy-, lithium sodium salt, compd. with 2,2’-(methylimino)bis[ethanol] | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83783-99-7 | Benzoic acid, 3,3’-[1,2-ethenediylbis[(3-sulfo-4,1-phenylene)azo]]bis[6-hydroxy-5-methyl-, lithium sodium salt, compd. with 2,2’-(methylimino)bis[ethanol] | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 85269-31-4 | Benzoic acid, 3,3’-[1,2-ethenediylbis[(3-sulfo-4,1-phenylene)azo]]bis[6-hydroxy-5-methyl-, potassium salt, compd. with 2,2’,2’’-nitrilotris[ethanol] | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 110152-63-1 | Benzenesulfonic acid, 2,2’-(1,2-ethenediyl)bis[5-[(4-hydroxyphenyl)azo]-, lithium sodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| Substances | Colour Index (C.I.) Information [1] | Empirical Data Availability [***] | Section 71 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Chemical Abstracts Service Registry Number (CAS RN) | Domestic Substances List (DSL) Name | 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 |
||||||||
| 1325-54-8 | C.I.Direct Orange 39 | C.I.Direct Orange 39 | C.I.40215 | -- | -- | -- | -- | -- | -- | Y |
| 4399-55-7 | 1,5-Naphthalenedisulfonic acid, 3-[[4-[[4-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-6-sulfo-1-naphthalenyl]azo]-1-naphthalenyl]azo]-, tetrasodium salt | C.I.Direct Blue 71 | C.I.34140 | 87440968 | X | -- | -- | -- | -- | Y |
| 6406-87-7 | 2-Naphthalenesulfonic acid, 5-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-8-[[4-(phenylazo)-7-sulfo-1-naphthalenyl]azo]-, trisodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 6476-10-4 | 2-Naphthalenesulfonic acid, 8-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-5-[[4-(phenylazo)-6-sulfo-1-naphthalenyl]azo]-, trisodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 10134-33-5 | 2-Naphthalenesulfonic acid, 8-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-5-[[4-(phenylazo)-7-sulfo-1-naphthalenyl]azo]-, trisodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 10482-42-5 | 2-Naphthalenesulfonic acid, 5-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-8-[[4-(phenylazo)-6-sulfo-1-naphthalenyl]azo]-, trisodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 32829-81-5 | Benzenesulfonic acid, 2,2’-(1,2-ethenediyl)bis[5-[[4-[(4-sulfophenyl)azo]phenyl]azo]-, tetrasodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 71767-19-6 | 2-Naphthalenesulfonic acid, 5-[[6-amino-1-hydroxy-3-sulfo-5-[(3-sulfophenyl)azo]-2-naphthalenyl]azo]-6-methoxy-8-[[7-sulfo-4-[(3-sulfophenyl)azo]-1-naphthalenyl]azo]-, pentasodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 71873-49-9 | Benzoic acid, 4,4’-[1,2-ethenediylbis[(3-sulfo-4,1-phenylene)-ONN-azoxy-4,1-phenyleneazo]]bis-, tetrasodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 72245-56-8 | 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl] amino]carbonyl]phenyl]azo]-5-hydroxy-6-(phenylazo)-, sodium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 75150-14-0 | 1,4-Benzenedisulfonic acid, 2-[[4-[[4-[[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]azo]-1-naphthalenyl]azo]-6-sulfo-1-naphthalenyl]azo]-, ammonium sodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83221-68-5 | 2-Naphthalenesulfonic acid, 6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl] amino]-3-sulfophenyl]azo]-4-hydroxy-, trilithium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83221-69-6 | 2-Naphthalenesulfonic acid, 6-[(2,4-diaminophenyl)azo]-3-[[4-[[4-[[7-[(2,4-diaminophenyl)azo]-1-hydroxy-3-sulfo-2-naphthalenyl]azo]phenyl] amino]-3-sulfophenyl]azo]-4-hydroxy-, lithium sodium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83221-72-1 | 2,7-Naphthalenedisulfonic acid, 4-amino-3,6-bis[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-, lithium sodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 84878-16-0 | 2,7-Naphthalenedisulfonic acid, 4-amino-6-[[4-[[4-[(2,4-dihydroxyphenyl)azo] phenyl]thio]phenyl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]-, sodium salt |
-- | -- | -- | -- | -- | X | X | -- | Y |
| 84878-17-1 | 2,7-Naphthalenedisulfonic acid, 4-amino-6-[[4-[[[4-[(2,4-dihydroxyphenyl)azo]phenyl] amino]sulfonyl]phenyl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]-, potassium salt |
-- | -- | -- | -- | -- | -- | X | X | Y |
| 85169-18-2 | Glycine, N-[4-[[2-[4-[[1-amino-8-hydroxy-7-(phenylazo)-3,6-disulfo-2-naphthalenyl]azo]phenyl]-1H-benzimidazol-5-yl]azo]-3-hydroxyphenyl]-, compd. with 2,2’-iminobis[ethanol] (1:3) | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 93803-37-3 | 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[[4-[5-[(4-hydroxyphenyl)azo]-1H-benzimidazol-2-yl]phenyl]azo]-6-(phenylazo)-, disodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 102082-94-0 | 2,7-Naphthalenedisulfonic acid, 4-amino-6-[[4-[[[4-[(2,4-diaminophenyl)azo]phenyl] amino]sulfonyl]phenyl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]-, lithium salt |
-- | -- | -- | -- | -- | -- | -- | -- | Y |
Notes and Legend
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