Dye|Dye intermediates|Fluorescent Brightener|pigment dye

2-Amino-5-(4-amino-3-barboxyphenyl)benzoic acid

Name: 2-Amino-5-(4-amino-3-barboxyphenyl)benzoic acid

CA Name: [1,1′-Biphenyl]-3,3′-dicarboxylic acid,4,4′-diamino-

Molecular Structure:

2-Amino-5-(4-amino-3-barboxyphenyl)benzoic acid,[1,1′-Biphenyl]-3,3′-dicarboxylic acid,4,4′-diamino-,CAS 2130-56-5,272.26,C14H12N2O4

Molecular Formula:C₁₄H₁₂N₂O₄

Molecular Weight: 272.26

CAS Registry Number: 2130-56-5

List of synthetic dyes :

C.I.Direct Blue 226

C.I.Direct Blue 93

C.I.Direct Violet 79

C.I.Direct Brown 167

C.I.Direct Brown 168

C.I.Direct Brown 186

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This entry was posted on Tuesday, June 18th, 2013 at 3:53 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.

5 Responses to “2-Amino-5-(4-amino-3-barboxyphenyl)benzoic acid”

1. Direct Blue 93 on October 10th, 2013 at 5:30 AM

   […] Methods : 2-Amino-5-(4-amino-3-barboxyphenyl)benzoic acid double nitriding, and 3-(5-Hydroxy-7-sulfonaphthalen-2-ylamino)benzoic acid (2 Moore) coupled, […]

2. Direct Blue 226 on October 11th, 2013 at 2:26 AM

   […] Methods : 2-Amino-5-(4-amino-3-barboxyphenyl)benzoic acid double nitriding, and 4-Amino-5-hydroxynaphthalene-1,3-disulfonic acid (2 Moore) coupling, and […]

3. Direct Brown 167 on October 12th, 2013 at 6:29 AM

   […] Methods : 2-Amino-5-(4-amino-3-barboxyphenyl)benzoic acid double nitriding, first with 6-(4-Hydroxy-3-methyl-1H-pyrazol-1-yl)naphthalene-2-sulfonic […]

4. Direct Brown 168 on October 12th, 2013 at 6:31 AM

   […] Methods : 2-Amino-5-(4-amino-3-barboxyphenyl)benzoic acid double nitriding, first with 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling, and then and […]

5. Direct Brown 186 on October 12th, 2013 at 6:51 AM

   […] Methods :  2-Amino-5-(4-amino-3-barboxyphenyl)benzoic acid double nitriding, first 2-Hydroxybenzoic acid coupled with, again in alkaline conditions and […]

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