Aromatic Azo- and Benzidine-Based Substances
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Azo Acid 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 |
||||||||
| 587-98-4 | Benzenesulfonic acid, 3-[[4-(phenylamino)phenyl]azo]-, monosodium salt | C.I. Acid Yellow 36 | C.I.13065 | -- | X | X | X | X | X | Y |
| 633-96-5 | Benzenesulfonic acid, 4-[(2-hydroxy-1-naphthalenyl)azo]-, monosodium salt | C.I. Acid Orange 7 | C.I.15510 | -- | -- | -- | -- | -- | -- | Y |
| 915-67-3 | 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt | C.I. Food Red 9, C.I. Acid Red 27 | C.I.16185 | 642591, 12227622 | X | -- | X | X | X | Y |
| 1934-21-0 | 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-, trisodium salt | C.I. Acid Yellow 23, C.I. Food Yellow 4 | C.I.19140 | -- | X | X | X | X | X | Y |
| 2611-82-7 | 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt | C.I. Food Red 7, C.I. Acid Red 18 | C.I.16255 | 7244146 | X | X | -- | X | X | Y |
| 3761-53-3 | 2,7-Naphthalenedisulfonic acid, 4-[(2,4-dimethylphenyl)azo]-3-hydroxy-, disodium salt | C.I. Acid Red 26, C.I. Food Red 5 | C.I.16150 | -- | X | X | X | X | X | N |
| 15792-43-5 | 2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-3-[(4-dodecylphenyl)azo]-4-hydroxy-, disodium salt | C.I. Acid Red 138 | C.I.18073 | -- | -- | -- | -- | -- | -- | Y |
| 25317-22-0 | 1-Naphthalenesulfonic acid, 3-[[4-(benzoylethylamino)-2-methylphenyl]azo]-4-hydroxy- | -- | -- | -- | -- | -- | -- | -- | -- | N |
| 29706-48-7 | Benzenesulfonic acid, 3-[[[4-(2-benzothiazolylazo)-3-methylphenyl]ethylamino]methyl]- | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 35342-16-6 | 7-Benzothiazolesulfonic acid, 2-[4-[(hexahydro-2,4,6-trioxo-5-pyrimidinyl)azo]phenyl]-6-methyl-, monolithium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 52236-73-4 | Benzenesulfonic acid, 4-[(5-amino-3-methyl-1-phenyl-1H-pyrazol-4-yl)azo]-2,5-dichloro-, monolithium salt | -- | -- | -- | -- | -- | -- | -- | -- | N |
| 70210-05-8 | 2,7-Naphthalenedisulfonic acid, 3-[[2,4-bis(2-methylphenoxy)phenyl]azo]-4-hydroxy-5-[[(4-methylphenyl)sulfonyl]amino]-, disodium salt | C.I. Acid violet 54, C.I. Acid violet 97[2] | -- | -- | -- | -- | -- | -- | -- | N |
| 71720-89-3 | 2-Naphthalenesulfonic acid, 5-[[4-(4-cyclohexylphenoxy)-2-sulfophenyl]azo]-6-[(2,6-dimethylphenyl)amino]-4-hydroxy-, disodium salt | -- | -- | -- | -- | -- | -- | -- | -- | N |
| 71873-51-3 | Benzenesulfonic acid, 2,5-dichloro-4-[4-[[5-[[(dodecyloxy)carbonyl]amino]-2-sulfophenyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-, disodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 72828-83-2 | 2,7-Naphthalenedisulfonic acid, 5-(benzoylamino)-3-[[2-(2-cyclohexylphenoxy)phenyl]azo]-4-hydroxy-, disodium salt | -- | -- | -- | X | X | -- | X | X | Y |
| 79234-36-9 | 2,7-Naphthalenedisulfonic acid, 5-(benzoylamino)-3-[[2-(4-cyclohexylphenoxy)phenyl]azo]-4-hydroxy-, disodium salt | -- | -- | -- | -- | -- | -- | -- | X | Y |
| 83006-48-8 | Benzenesulfonic acid, 4-[4-[[3-[(ethylphenylamino)sulfonyl]-4-methylphenyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]- | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83027-51-4 | 1,7-Naphthalenedisulfonic acid, 6-[[2-(4-cyclohexylphenoxy)phenyl]azo]-4-[[(2,4-dichlorophenoxy)acetyl]amino]-5-hydroxy-, disodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83027-52-5 | 1,7-Naphthalenedisulfonic acid, 6-[[2-(2-cyclohexylphenoxy)phenyl]azo]-4-[[(2,4-dichlorophenoxy)acetyl]amino]-5-hydroxy-, disodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 84962-50-5 | Benzenesulfonic acid, 2,5-dichloro-4-[[2-(dibutylamino)-4-methyl-6-[[2-(4-sulfophenyl)ethyl]amino]-5-pyrimidinyl]azo]-, sodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 114910-04-2 | 1-Naphthalenediazonium, 4-[[4-[(4-nitro-2-sulfophenyl)amino]phenyl]azo]-6-sulfo-, chloride, reaction products with formaldehyde and salicylic acid, ammonium sodium salts | -- | -- | -- | -- | -- | -- | -- | -- | 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 |
||||||||
| 3071-73-6 | 1-Naphthalenesulfonic acid, 8-(phenylamino)-5-[[4-[(5-sulfo-1-naphthalenyl)azo]-1-naphthalenyl]azo]-, disodium salt | C.I. Acid Black 24 | C.I.26370 | -- | X | -- | -- | -- | -- | Y |
| 3351-05-1 | 1-Naphthalenesulfonic acid, 8-(phenylamino)-5-[[4-[(3-sulfophenyl)azo]-1-naphthalenyl]azo]-, disodium salt | C.I. Acid Blue 113 | C.I.26360 | -- | X | -- | -- | X | X | Y |
| 6262-07-3 | 2-Naphthalenesulfonic acid, 6-hydroxy-5-[[4-[[4-(phenylamino)-3-sulfophenyl]azo]-1-naphthalenyl]azo]-, disodium salt | C.I. Acid Black 26 | C.I.27070 | -- | -- | -- | -- | -- | -- | Y |
| 6507-77-3 | 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[[4-[1-[4-[(4-hydroxyphenyl)azo]phenyl]cyclohexyl]phenyl]azo]-, disodium salt | C.I. Acid Orange 33 | C.I.24780 | -- | -- | -- | -- | -- | X | Y |
| 51988-24-0 | Benzenesulfonic acid, 3-[[4-[(4-hydroxy-3-methylphenyl)azo]-3-methoxyphenyl]azo]-, monolithium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 62133-79-3 | 2-Naphthalenesulfonic acid, 5-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]azo]-8-(phenylazo)-, disodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 62133-80-6 | 2-Naphthalenesulfonic acid, 8-[[4-[ethyl[(3-sulfophenyl)methyl]amino]phenyl]azo]-5-(phenylazo)-, disodium salt | -- | -- | -- | -- | -- | -- | -- | X | Y |
| 67892-55-1 | 1-Naphthalenesulfonic acid, 5-[[4-[(2-chlorophenyl)azo]-6(or 7)-sulfo-1-naphthalenyl]azo]-8-(phenylamino)-, disodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 68555-86-2 | Benzenesulfonic acid, 4-[[5-methoxy-4-[(4-methoxyphenyl)azo]-2-methylphenyl]azo]-, sodium salt | C.I. Acid Orange 156 | C.I.26501 | 72827759 | X | -- | -- | -- | -- | Y |
| 70210-06-9 | Benzenesulfonic acid, 3-[[ethyl[4-[[4-[(3-sulfophenyl)azo]-1-naphthalenyl]azo]phenyl]amino]methyl]-, disodium salt | C.I. Acid Red 119 | C.I.262085 | -- | -- | -- | -- | -- | -- | Y |
| 72828-67-2 | 1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[[4-[1-[4-[(4-hydroxyphenyl)azo]phenyl]cyclohexyl]phenyl]azo]-, potassium sodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 72968-80-0 | 2-Naphthalenesulfonic acid, 5-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-8-[[4-[(4-nitro-2-sulfophenyl)amino]phenyl]azo]-, disodium salt | -- | -- | -- | -- | -- | -- | X | X | Y |
| 72968-81-1 | 2-Naphthalenesulfonic acid, 8-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-5-[[4-[(4-nitro-2-sulfophenyl)amino]phenyl]azo]-, disodium salt | -- | -- | -- | -- | -- | -- | -- | X | Y |
| 72986-60-8 | 2-Naphthalenesulfonic acid, 5-[[4-[(4-nitro-2-sulfophenyl)amino]phenyl]azo]-8-[[4-[(phenylsulfonyl)oxy]phenyl]azo]-, disodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 72986-61-9 | 2-Naphthalenesulfonic acid, 8-[[4-[(4-nitro-2-sulfophenyl)amino]phenyl]azo]-5-[[4-[(phenylsulfonyl)oxy]phenyl]azo]-, disodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 75949-73-4 | Benzenesulfonic acid, 4,4’-[methylenebis[4,1-phenyleneazo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)]]bis[3-methyl-, disodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83006-74-0 | 1-Naphthalenesulfonic acid, 8-(phenylamino)-5-[[4-[(5-sulfo-1-naphthalenyl)azo]-1-naphthalenyl]azo]-, ammonium sodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83006-77-3 | 1-Naphthalenesulfonic acid, 8-(phenylamino)-5-[[4-[(3-sulfophenyl)azo]-1-naphthalenyl]azo]-, ammonium sodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 83221-60-7 | 1,6-Naphthalenedisulfonic acid, 4-[[4-[[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]azo]-1-naphthalenyl]azo]-, ammonium sodium salt | -- | -- | -- | -- | -- | -- | X | X | Y |
| 85030-31-5 | 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[[4-[[4-[(2-hydroxy-6-sulfo-1-naphthalenyl)azo]-2-methylphenyl]methyl]-3-methylphenyl]azo]-, 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 |
||||||||
| 68155-63-5 | 2,7-Naphthalenedisulfonic acid, 5-[[2,4-dihydroxy-5-[(4-nitrophenyl)azo]phenyl]azo]-4-hydroxy-3-[(2-hydroxy-3,5-dinitrophenyl)azo]-, disodium salt | C.I. Acid Brown 75 | C.I.34905 | 8011867, 6637872 | -- | -- | -- | -- | -- | Y |
| 70210-25-2 | 2,7-Naphthalenedisulfonic acid, 5-[[2,4-dihydroxy-5-[(2-hydroxy-3,5-dinitrophenyl)azo]phenyl]azo]-4-hydroxy-3-[(4-nitrophenyl)azo]-, disodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 70210-34-3 | 2,7-Naphthalenedisulfonic acid, 5-[[2,4-dihydroxy-5-[[4-[(4-nitro-2-sulfophenyl)amino]phenyl]azo]phenyl]azo]-4-hydroxy-3-[[4-[(4-nitro-2-sulfophenyl)amino]phenyl]azo]-, tetrasodium salt | C.I. ACID BROWN 58[2] | -- | -- | -- | -- | -- | -- | -- | Y |
| 72496-92-5 | Naphthalenesulfonic acid, 5-[[2,4-dihydroxy-5-[[4-[(4-nitro-2-sulfophenyl)amino]phenyl]azo]phenyl]azo]-8-[[4-[(4-nitro-2-sulfophenyl)amino]phenyl]azo]-, trisodium salt | C.I. ACID BROWN 194[2] | -- | -- | -- | -- | -- | -- | -- | Y |
| 84559-92-2 | 2,7-Naphthalenedisulfonic acid, 3,3’-[azoxybis[(2-methoxy-4,1-phenylene)azo]]bis[4,5-dihydroxy-, tetralithium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 85136-25-0 | 2,7-Naphthalenedisulfonic acid, 3,3’-[azoxybis[(2-methoxy-4,1-phenylene)azo]]bis[4,5-dihydroxy-, lithium sodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 85223354 (102616-51-3[*]) |
Benzoic acid, 3,3’-methylenebis[6-[[2,4-dihydroxy-5-[(4-sulfophenyl)azo]phenyl]azo]-, sodium salt | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 90218-20-5 | Benzenesulfonic acid, 5-amino-2,4-dimethyl-, diazotized, coupled with diazotized 2,4-, 2,5-and 2,6-xylidine and 4-[(2,4-dihydroxyphenyl)azo]benzenesulfonic acid, sodium salts | -- | -- | -- | -- | -- | -- | -- | -- | N |
| 90432-08-9 | 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, diazotized, coupled with diazotized 4-nitro-1,3-benzenediamine and resorcinol, potassium sodium salts | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 90459-02-2 | 2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-[[6-sulfo-4-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenyl]azo]-, diazotized, coupled with diazotized 4-nitrobenzenamine and resorcinol, potassium sodium salts | -- | -- | -- | -- | -- | -- | -- | -- | Y |
| 102616-51-3 | Benzoic acid, 3,3’-methylenebis[6-[[2,4-dihydroxy-5-[(4-sulfonylphenyl)azo]phenyl]azo]-, sodium salt | -- | -- | -- | -- | -- | -- | -- | -- | N |
Notes and Legend
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