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Aromatic Azo- and Benzidine-Based Substances


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Azo Solvent Dyes

Monoazo Solvent Dyes
SubstancesColour Index (C.I.) Information [1]Empirical Data Availability [***]Section 71
Chemical Abstracts Service Registry Number (CAS RN)Domestic Substances List (DSL) NameC.I. Generic Name(s)C.I. Consti-
tution Number(s)
Other CASNo. Asso-
ciated with C.I. name / number
Physical-Chemical PropertiesEcolo-
gical End-
points
Health End-
points
Water Solu-
bility
Log KowMel-
ting / Decom-
posi-
tion point
60-09-3Benzenamine, 4-(phenylazo)-C.I.Solvent Yellow 1C.I.11000  --X--X--XN
60-11-7Benzenamine, N,N-dimethyl-4-(phenylazo)-C.I.Solvent Yellow 2C.I.11020 --XXXXXN
97-56-3Benzenamine, 2-methyl-4-[(2-methylphenyl)azo]-C.I.Solvent Yellow 3 C.I.11160 --X--X--XN
101-75-7Benzenamine, N-phenyl-4-(phenylazo)-----------X--XN
103-33-3Diazene, diphenyl-------X--X--XY
495-54-51,3-Benzenediamine, 4-(phenylazo)-C.I.Solvent Orange 3C.I.11270:1 --X--XXXN
842-07-92-Naphthalenol, 1-(phenylazo)-C.I.Disperse Yellow 97 , C.I.Solvent Yellow 14C.I.12055 --XXXXXY
1229-55-62-Naphthalenol, 1-[(2-methoxyphenyl)azo]-C.I.Solvent Red 1C.I.12150 --XXXXXN
2646-17-52-Naphthalenol, 1-[(2-methylphenyl)azo]-C.I.Solvent Orange 2C.I.12100 --XXXXXN
2653-64-72-Naphthalenol, 1-(1-naphthalenylazo)-C.I.Pigment Red 40, C.I.Solvent Red 4C.I.12170 --X--XX--Y
2832-40-8Acetamide, N-[4-[(2-hydroxy-5-methylphenyl)azo]phenyl]-C.I.Disperse Yellow 3, C.I.Solvent Yellow 77C.I.11855 --XXXXXN
3118-97-62-Naphthalenol, 1-[(2,4-dimethylphenyl)azo]-C.I.Solvent Orange 7C.I.12140 ----X--XXN
5290-62-01-Naphthalenol, 4-[(4-nitrophenyl)azo]-------XXXXXN
6407-78-93H-Pyrazol-3-one, 4-[(2,4-dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-C.I.Solvent Yellow 18C.I.12740 ------X--XY
6535-42-81-Naphthalenol, 4-[(4-ethoxyphenyl)azo]-C.I.Solvent Red 3C.I.12010 ------------N
Disazo Solvent Dyes
SubstancesColour Index (C.I.) Information [1]Empirical Data Availability [***]Section 71
Chemical Abstracts Service Registry Number (CAS RN)Domestic Substances List (DSL) NameC.I. Generic Name(s)C.I. Consti-
tution Number(s)
Other CASNo. Asso-
ciated with C.I. name / number
Physical-Chemical PropertiesEcolo-
gical End-
points
Health End-
points
Water Solu-
bility
Log KowMel-
ting / Decom-
posi-
tion point
85-83-62-Naphthalenol, 1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]-C.I.Solvent Red 24C.I.26105 --X--XXXY
85-86-92-Naphthalenol, 1-[[4-(phenylazo)phenyl]azo]-C.I.Solvent Red 23C.I.26100 --XXX--XN
6368-72-52-Naphthalenamine, N-ethyl-1-[[4-(phenylazo)phenyl]azo]-C.I.Solvent Red 19C.I.26050 --X--X--XN
21519-06-23H-Pyrazol-3-one, 2,4-dihydro-2-(3-hydroxyphenyl)-5-methyl-4-[[4-(phenylazo)phenyl]azo]-----------------Y
73507-36-52-Naphthalenesulfonic acid, 7-(benzoylamino)-4-hydroxy-3-[[4-[(4-sulfophenyl)azo]phenyl]azo]-, compds. with N,N’-bis(mixed Ph and tolyl and xylyl)guanidine monohydrochlorideC.I.Solvent Red 33C.I.281601------------N
73528-78-63-Pyridinecarbonitrile, 5-[[4-[(2,6-dichloro-4-nitrophenyl)azo]-2,5-dimethoxyphenyl]azo]-2,6-bis[(2-methoxyethyl)amino]-4-methyl-----------------N
85392-21-83-Pyridinecarbonitrile, 5-[[2-chloro-4-(phenylazo)phenyl]azo]-2,6-bis[(3-methoxypropyl)amino]-4-methyl-----------------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
.

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