Dye|Dye intermediates|Fluorescent Brightener|pigment dye

3-Amino-5-hydroxynaphthalene-2,7-disulfonic acid

Name: 3-Amino-5-hydroxynaphthalene-2,7-disulfonic acid

CA Name: 2,7-Naphthalenedisulfonic acid,3-amino-5-hydroxy-

Molecular Structure:

3-Amino-5-hydroxynaphthalene-2,7-disulfonic acid,2,7-Naphthalenedisulfonic acid,3-amino-5-hydroxy-,CAS 90-40-4,319.31,C10H9NO7S2

Molecular Formula:C₁₀H₉NO₇S₂

Molecular Weight: 319.31

CAS Registry Number: 90-40-4

List of synthetic dyes :

C.I.Food Black 2

C.I.Acid Brown 9

C.I.Direct Brown 31

C.I.Acid Black 4

C.I.Direct Red 101

C.I.Acid Red 126

C.I.Direct Brown 151

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This entry was posted on Wednesday, May 29th, 2013 at 6:10 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.

One Response to “3-Amino-5-hydroxynaphthalene-2,7-disulfonic acid”

1. Acid Black 4 on September 25th, 2013 at 6:26 AM

   […] 2-Amino-4-methylanisole (2 Moore) coupled, product to double nitriding, in alkaline conditions and 3-Amino-5-hydroxynaphthalene-2,7-disulfonic acid (1 Moore) and 4-(8-Hydroxy-6-sulfonaphthalen-2-ylamino)benzoic acid  (1 Moore) […]

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