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N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea

Name: N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea

CA Name: 2-Naphthalenesulfonic acid,7,7′-(carbonyldiimino)bis[4-hydroxy-,

Molecular Structure:

N,N'-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea,2-Naphthalenesulfonic acid,7,7'-(carbonyldiimino)bis[4-hydroxy-,,CAS 134-47-4,504.49,C21H16N2O9S2

N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea,2-Naphthalenesulfonic acid,7,7′-(carbonyldiimino)bis[4-hydroxy-,,CAS 134-47-4,504.49,C21H16N2O9S2

Molecular Formula:C21H16N2O9S2

Molecular Weight: 504.49

CAS Registry Number: 134-47-4

List of synthetic dyes :

C.I.Direct Orange 102

C.I.Direct Orange 26

C.I.Direct Red 14

C.I.Direct Red 191

C.I.Direct Red 23

C.I.Direct Red 257

C.I.Direct Red 32

C.I.Direct Red 54

C.I.Direct Red 73

C.I.Direct Red 98

C.I.Direct Violet 87

C.I.Direct Orange 108

C.I.Direct Orange 29

C.I.Direct Red 176

C.I.Direct Red 194

C.I.Direct Red 24

C.I.Direct Red 26

C.I.Direct Red 36

C.I.Direct Red 62

C.I.Direct Red 80

C.I.Direct Red 99

C.I.Direct Violet 89

C.I.Direct Orange 118

C.I.Direct Red 122

C.I.Direct Red 189

C.I.Direct Red 220

C.I.Direct Red 250

C.I.Direct Red 264

C.I.Direct Red 4

C.I.Direct Red 72

C.I.Direct Red 83

C.I.Direct Violet 103

C.I.Direct Brown 112

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This entry was posted on Thursday, July 4th, 2013 at 7:34 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.

8 Responses to “N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea”

  1. […] Methods : 4-Amino-3-methylbenzenesulfonic acid diazo, in acetic acid medium and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, O-Methylaniline diazo, in alkaline conditions and accidentally coupled nitrogen […]

  2. […] Methods : 3-Amino-4-hydroxybenzenesulfonamide (2 Moore) diazo, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, and then turn it into copper […]

  3. […] Methods : N-(3-aminophenyl)formamide (2 Moore) diazo, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, and then hydrolysis formex […]

  4. […] Manufacturing Methods : Amino acid methyl diazo, coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea. […]

  5. […] Methods : 2-Aminobenzoic acid diazo, coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea, 2-Amino-4-nitrophenol diazo, and generated coupled product […]

  6. […] Methods :2,4-Dimethylbenzenamine diazo, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea coupling, 5-Aminonaphthalene-1-sulfonic acid diazo, and formation of accidentally coupled nitrogen […]

  7. […] Methods : aniline diazo, coupled with N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea, 3-Aminobenzoic acid diazo, and the generation of single accidentally coupled nitrogen […]

  8. […] Methods :  aniline and 4-Aminobenzoic acid diazo respectively, and N,N’-bis(4-hydroxy-2-sulfonaphthalene-7-yl)urea […]

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