Dye|Dye intermediates|Fluorescent Brightener|pigment dye

7-Amino-4-hydroxynaphthalene-2-sulfonic acid

Name: 7-Amino-4-hydroxynaphthalene-2-sulfonic acid

CA Name: 2-Naphthalenesulfonic acid,7-amino-4-hydroxy-

Molecular Structure:

7-Amino-4-hydroxynaphthalene-2-sulfonic acid,2-Naphthalenesulfonic acid,7-amino-4-hydroxy-,CAS 87-02-5,239.25,C10H9NO4S

Molecular Formula:C₁₀H₉NO₄S

Molecular Weight: 239.25

CAS Registry Number: 87-02-5

List of synthetic dyes :

C.I.Reactive Orange 1

C.I.Reactive Orange 124

C.I.Reactive Orange 64

C.I.Reactive Orange 87

C.I.Reactive Red 123

C.I.Reactive Red 225

C.I.Reactive Red 8

C.I.Reactive Brown 7

C.I.Basic Red 111

C.I.Direct Orange 94

C.I.Direct Black 49

C.I.Direct Red 120

C.I.Direct Red 169

C.I.Direct Red 224

C.I.Direct Red 29

C.I.Direct Red 50

C.I.Direct Red 74

C.I.Direct Blue 131

C.I.Direct Blue 150

C.I.Direct Blue 166

C.I.Direct Blue 278

C.I.Direct Blue 3

C.I.Direct Blue 43

C.I.Direct Blue 71

C.I.Direct Blue 74

C.I.Direct Violet 27

C.I.Direct Violet 83

C.I.Reactive Orange 113

C.I.Reactive Orange 20

C.I.Reactive Orange 82

C.I.Reactive Black 1

C.I.Reactive Red 222

C.I.Reactive Red 43

C.I.Reactive Red 9

C.I.Reactive Brown 8

C.I.Mordant Black 106

C.I.Direct Black 104

C.I.Direct Black 91

C.I.Direct Red 148

C.I.Direct Red 181

C.I.Direct Red 243

C.I.Direct Red 33

C.I.Direct Red 53

C.I.Direct Red 89

C.I.Direct Blue 140

C.I.Direct Blue 151

C.I.Direct Blue 186

C.I.Reactive Orange 122

C.I.Reactive Orange 38

C.I.Reactive Orange 84

C.I.Reactive Red 118

C.I.Reactive Red 224

C.I.Reactive Red 7

C.I.Reactive Brown 10

C.I.Reactive Brown 9

C.I.Acid Brown 92

C.I.Direct Black 122

C.I.Direct Black 97

C.I.Direct Red 16

C.I.Direct Red 186

C.I.Direct Red 253

C.I.Direct Red 42

C.I.Direct Red 60

C.I.Direct Blue 110

C.I.Direct Blue 148

C.I.Direct Blue 152

C.I.Direct Blue 258

C.I.Direct Blue 278:1

C.I.Direct Blue 295

C.I.Direct Blue 306

C.I.Direct Blue 33

C.I.Direct Blue 48

C.I.Direct Blue 72

C.I.Direct Blue 82

C.I.Direct Violet 4

C.I.Direct Brown 70

C.I.Direct Blue 65

C.I.Direct Blue 72

C.I.Direct Violet 12

C.I.Direct Violet 5

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This entry was posted on Wednesday, May 29th, 2013 at 2:57 AM and is filed under Dye intermediates. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

10 Responses to “7-Amino-4-hydroxynaphthalene-2-sulfonic acid”

1. Reactive Orange 113 on August 30th, 2013 at 3:16 AM

   […] Methods : 2-Aminobenzene-1,4-disulfonic acid diazotization, and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and 2,4,6-Trichloro-1,3,5-triazine […]

2. Reactive Red 9 on August 30th, 2013 at 6:57 AM

   […] Methods :  4-Acetamido-2-aminobenzenesulfonic acid diazo, and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and then and 2,4,6-Trichloro-1,3,5-triazine and 2-Aminobenzenesulfonic acid […]

3. Reactive Brown 7 on September 4th, 2013 at 2:58 AM

   […] Methods : 7-Amino-4-hydroxynaphthalene-2-sulfonic acid and 2,4,6-Trichloro-1,3,5-triazine condensation, 2-Aminobenzoic acid diazo, and condensation […]

4. Direct Red 50 on September 29th, 2013 at 7:22 AM

   […] Methods : 3′-Aminooxanilic acid diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and then hydrolysis, the grass, then double nitriding, and Resorcinol (2 Moore) […]

5. Direct Red 148 on September 30th, 2013 at 5:00 AM

   […] Methods : (a), M-nitroaniline diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, then use glucose and sodium hydroxide solution will nitro reduction; (b) […]

6. Direct Red 224 on September 30th, 2013 at 7:17 AM

   […] Methods : 7-Amino-4-hydroxynaphthalene-2-sulfonic acid and 2,4,6-Trichloro-1,3,5-triazine condensation, again with diazo have […]

7. Direct Blue 110 on October 10th, 2013 at 5:58 AM

   […] again diazo, and Naphthalen-1-amine coupling, product to diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid […]

8. Reactive Red 118 on November 13th, 2013 at 2:32 AM

   […] Methods : 7-Aminonaphthalene-1,3,6-trisulfonic acid diazo, and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and 5-Chloro-2,4,6-trifluoropyrimidine […]

9. Reactive Black 1 on November 13th, 2013 at 4:22 AM

   […] Methods :4-Amino-3-hydroxy-7-nitronaphthalene-1-sulfonic acid diazo, and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and 2,4,6-Trichloro-1,3,5-triazine condensation, again ammoniation, make its forming […]

10. Direct Red 33 on November 15th, 2013 at 6:03 AM

    […] double nitriding, first with 2-Hydroxybenzoic acid coupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid […]

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