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Survey of azo-colorants in Denmark

 

 

Appendix 5. Colour index name and number, CAS number, molecular structure and chemical name of selected azo dyes.
CI-name

CI-no.

CAS-no.

Structure

Name
Acid Black 1

20470

1064-48-8

4-amino-5-hydroxy-3,6-[bis-(phenylazo)]-2,7-naphthalene-disulfonic acid disodium salt
Acid Black 26

27070

6262-07-3

6-hydroxy-5-[[4-(phenylamino)-3-sulfophenyl)-azo]-1-naphthalenyl)-azo]-2-naphthalenesulfonic acid disodium salt
Acid Blue 92

13390

3861-73-2

4-hydroxy-5-[[4-phenylamino]5-sulfo-1-naphthalenyl]azo]-2,7-naphthalenedisulfonic acid trisodium salt
Acid Blue 113

26360

3351-05-1

8-(phenylamino)-5-[[4-(3-sulphonatophenyl)azo]-1-naphthalenyl)azo]-1-naphthalenesulfonic acid disodium salt
Acid Orange 7

15510

633-96-5

4-[(2-hydroxy-1-naphthalenyl)-azo]-benzenesulfonic acid monosodium salt
Acid Orange 67

14172

12220-06-3

4-[4,5-dihydro-3-oxo-4)-(4-methyl-3-phenylamino) sulfonyl(phenyl)-azo)-(5-methyl-1H-pyrazol-1-yl)-benzenesulfonic acid monosodium salt
Acid Red 1

18050

3734-67-6

4-hydroxy-3-(phenylazo)-5-(methoxymethylamin)-2,7-naphthalenedisulfonic acid disodium salt
Acid Red 14

14720

3567-69-9

4-hydroxy-3,4’-azo-di-1-naphthalene-disulfonic acid disodium salt
Acid Red 26

16150

3761-53-3

4-[(2,4-dimethylphenyl)-azo]-3-hydroxy-2,7-naphthalene-disulfonic acid disodium salt
Acid Red 73

27290

5413-75-2

7-hydroxy-8-[[4-(phenylazo))-phenyl]-azo]-1,3-naphthalene-disulfonic acid disodium salt
Acid Red 114

23635

6459-94-5

8-((3,3’-dimethyl-4’-((4-(((4-methylphenyl)-sulfonyl)-oxy)-phenyl)-azo)(1,1’-biphenyl)-4-yl)-azo)-7-hydroxy-1,3-naphthalene-disulfonic acid disodium salt
Acid Yellow 17

18965

6359-98-4

4-[(4,5-dihydro-5-oxo-1-(4-sulfophenyl-4-((sulfophenyl)azo)-3-methyl-1H-pyrazol-1-yl)]-2,5-dichloro-benzenesulfonic acid disodium salt
Acid Yellow 23

19140

1934-21-0

4,5-dihydro-5-oxo-1-(4-sulfophenyl-4-[(sulfophenyl)-azo]-H-pyrazole-3-carboxylic acid trisodium salt
Acid Yellow 25

18835

6359-85-9

4-[4,5-dihydro-3-methyl-4)-(4-methyl-3-phenylamino)sulfonyl(phenyl)-azo-(5-oxo-1H-pyrazol-1-yl)-benzenesulfonic acid monosodium salt
Acid Yellow 36

13065

587-98-4

3-[[4-phenylamino)-phenyl]azo]-benzenesulfonic acid monosodium salt
Basic Orange 1

11320

4438-16-8

6-methyl-4-(phenylazo)-1,3-benzenediamine monohydrochloride
Basic Orange 2

11270

532-82-1

4-(phenylazo)-1,3-benzenediamine monohydrochloride
Basic Red 18

11085

14097-03-1

2-((4-((2-chloro-4-nitrophenyl)azo)phenyl)ethylamino)-N,N,N-trimethyl- ethanaminium
Direct Black 19

35255

6428-31-5

4-hydroxy-5-amino-3,6-bis [(4-((2,4-diaminophenyl) azo)phenyl)azo]-2,7-naphthalenedisulfonic acid disodium salt
Direct Black 38

30235

1937-37-7

4-amino-3-[[4’-](2,4-diaminophenyl)-azo]-[1,1’biphenyl]-4-yl-[azo]-5-hydroxy-6-(phenylazo)-2,7-naphthalene-disulfonic acid disodium salt
Direct Blue 1

24410

2610-05-1

3,3’-[(3,3’-dimethoxy-4,4’-biphenylene)-bis-(azo)]-bis-[5-amino-4-hydroxy-6,8-naphthalene-disulfonic acid] tetrasodium salt
Direct Blue 6

22610

2602-46-2

3,3’-((4,4’-biphenylylene)-bis(azo))-bis-(5-amino-4-hydroxy-2,7-naphthalene-disulfonic acid) tetrasodium salt
Direct Blue 14

23850

72-57-1

3,3-[3,3-dimethyl-[[1,1-biphenyl]-4,4-diyl)-bis-(azo)]-bis-[5-amino-4-hydroxy-2,7-naphthalene-disulfonic acid] tetrasodium salt
Direct Blue 15

24400

2429-74-5

3,3-[3,3-dimethoxy[[1,1-biphenyl]-4,4-diyl]-bis-azo]-bis (5-amino-4-hydroxy-2,7-naphthalenedisulfonic acid) tetrasodium salt
Direct Blue 53

23860

314-13-6

6,6-[(3,3-dimethyl-[1,1-biphenyl]-4,4-diyl)-bis-(azo)]-bis-[4-amino-5-hydroxy-1,3-naphthalenedisulfonic acid] tetrasodium salt
Direct Blue 78

34200

2503-73-3

 
Direct Brown 95

30145

16071-86-6

1,1-((1,1-biphenyl)-4,4-diyl-bis(azo))-(4-hydroxy-3-carboxylate)-(2-hydroxy-3-azo)-2-hydroxy-4-benzenesulfonic acid disodium salt
Direct Red 28

22120

573-58-0

3,3-[[1,1-biphenyl]-4,4-diylbis-(azo)]-bis-[4-amino-1-naphthalenesulfonic acid] disodium salt
Direct Red 79

29065

1937-34-4

 
Direct Red 80

35780

2610-10-8

 
Direct Red 81

28160

2610-11-9

 
Direct Violet 47

25410

13011-70-6

 
Direct Yellow 50

29025

3214-47-9

CAS 8004-79-3 in Ullmann A3, p. 257
Disperse Blue

11077

41642-51-7

N-(2-((2,6-dicyano-4-nitrophenyl)azo)-5-(diethylamino)phenyl)-acetamide
Disperse Blue 79

11345

12239-34-8

N-[5-[bis[2-(acetyloxy)-ethyl]-amino]-2-[(2-bromo-4,6-dinitrophenyl)-azo]-4-ethoxyphenyl]-acetamide
   

3956-55-6

N-[5-[bis[2-(acetyloxy)-ethyl]-amino]-2-[(2-bromo-4,6-dinitrophenyl)-azo]-4-methoxyphenyl]-acetamide
Disperse Blue 130  

16421-40-2

N-(5-((2-(acetyloxy)ethyl) (phenylmethyl)amino)-2-((2-chloro-4,6-dinitrophenyl)azo)-4-methoxyphenyl)-acetamide
Disperse Orange  

4058-30-4

3,3'-(4-((2-chloro-4-nitrophenyl)azo)-phenyl-imino) bis-propanenitrile
Disperse Orange 3

11005

730-40-5

4- (4-nitrophenyl)azo -benzenamine
Disperse Orange 5

11100

6232-56-0

2-((4-((2,6-dichloro-4-nitrophenyl)azo) phenyl) methylamino)-ethanol
Disperse Red  

63833-78-3

5-[(2-cyano-4-nitrophenyl)-azo]-6-[(2-hydroxyethyl)-amino]-4-methyl-2-(3-(2-phenoxyethoxy)-propyl)-3-pyridinecarbonitrile
Disperse Red  

68385-96-6

N-(2-[(2,6-dicyano-4-methylphenyl)-azo]-5-(diethylamino)-phenyl)-methanesulfonamide
Disperse Red

11114

12223-39-1

2-4-2-(acetyloxy)ethyl (2-cyanoethyl)amino phenyl azo -5-nitro- benzonitrile
Disperse Red 1

11110

2872-52-8

2-(ethyl-4-((4-nitrophenyl) azo)phenyl) amino-ethanol
Disperse Red 5

11215

3769-57-1

2,2'-((4-((2-chloro-4-nitrophenyl)azo)-3-methylphenyl)imino)bis-ethanol
Disperse Red 7

11150

4540-00-5

2,2'-((3-chloro-4-((4-nitrophenyl)azo) phenyl)imino)bis-ethanol
Disperse Red 324  

71617-28-2

N-(4-chloro-2-((2-chloro-4-nitrophenyl)azo)-5-((2-hydroxypropyl)amino) phenyl-acetamide
Disperse Yellow 3

Solvent Yellow 77

11855

2832-40-8

N-(4-((2-hydroxy-5-methylphenyl)-azo)-phenyl)-acetamide
Mordant Black 5

26695

3618-58-4

3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)-azo]-1-naphthalenesulfonic acid monosodium salt
Mordant Black 9

16500

2052-25-7

4-hydroxy-3-[(1,5-dihydroxy-2-napthalenyl) azo]-benzenesulfonic acid monosodium salt
Mordant Black 11

14645

1787-61-7

3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)-azo]-7-nitro-1-naphthalenesulfonic acid monosodium salt
Mordant Orange 1

14030

2243-76-7

2-hydroxy-5-[(4-nitrophenyl)-azo]-benzoic acid
Mordant Yellow 1

14025

584-42-9

2-hydroxy-5-[(3-nitrophenyl)-azo]-benzoic acid monosodium salt
Mordant Yellow 5

14130

15722-48-2

3,3’azobis-(6-hydroxybenzoic acid
Reactive Black 5

20505

17095-24-8

4-amino-5-hydroxy-3,6-bis((4-((2-(sulfooxy)ethyl) sulfophenyl)azo)-2,7-naphthalenedisulfonic acid tetrasodium salt
Reactive Violet 5

18097

12226-38-9

5-acetamido-4-cuprooxy-3-((4-((sulfooxy)ethyl) sulfophenyl(3-oxy(4-))azo)-2,7-naphthalenedisulfonic acid trisodium salt
Solvent Black 3

26150

4197-25-5

2,3-dihydro-2,2-dimethyl-6-((4-(phenylazo)-1-naphthalenyl)azo)-1H-perimidine
Solvent Orange 7

12140

85-82-5

1-[(2,4-dimethylphenyl)-azo]2-naphthalenol
Solvent Red 23

26100

85-86-9

1-[[4-(phenylazo)-phenyl]-azo]-2-naphthalenol
Solvent Red 24

26105

85-83-6

1-[[2-methyl-4-[(2-methylphenyl]-azo]-phenyl]-azo]-2-naphthalenol
Solvent Red 80

12156

6358-53-8

1-[(2,5-dimethoxyphenyl)-azo]2-naphthalenol
Solvent Yellow 1

11000

60-09-3

p-aminoazobenzene
Solvent Yellow 2

11020

60-11-7

p-dimethylamino-azobenzene
Solvent Yellow 3

 

11160

97-56-3

o-aminoazotoluene
Solvent Yellow 5

11380

85-84-7

1-phenylazo-2-naphthalenamine
Solvent Yellow 6

11390

131-79-3

1-[(2-methylphenyl)azo]-2-naphthalenamine
Solvent Yellow 14

12055

842-07-9

1-(phenylazo)-2-naphthalenol
Solvent Yellow 16

12700

4314-14-1

2,4-dihydro-5-methyl-2-phenyl-4-(phenylazo)- 3H-pyrazol-3-one
Solvent Yellow 56

11021

2481-94-9

N,N-diethyl-4-(phenylazo)- benzenamine