Dye|Dye intermediates|Fluorescent Brightener|pigment dye

4,5Dihydroxynaphthalene-1-sulfonic acid

Name: 4,5Dihydroxynaphthalene-1-sulfonic acid

CA Name: 1-Naphthalenesulfonic acid,4,5-dihydroxy-

Molecular Structure:

4,5Dihydroxynaphthalene-1-sulfonic acid,1-Naphthalenesulfonic acid,4,5-dihydroxy-,CAS 83-65-8,240.23,C10H8O5S

Molecular Formula:C₁₀H₈O₅S

Molecular Weight: 240.23

CAS Registry Number: 83-65-8

List of synthetic dyes :

C.I.Mordant Green 12

C.I.Acid Green 34

C.I.Acid Black 5

C.I.Direct Black 24

C.I.Acid Red 31

C.I.Direct Blue 157

C.I.Direct Blue 26

C.I.Direct Green 11

C.I.Direct Green 22

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This entry was posted on Friday, May 24th, 2013 at 7:28 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.

2 Responses to “4,5Dihydroxynaphthalene-1-sulfonic acid”

1. Acid Red 31 on September 12th, 2013 at 7:18 AM

   […] Manufacturing Methods : 2-Aminobenzenesulfonic acid diazo, and 4,5Dihydroxynaphthalene-1-sulfonic acid coupling. […]

2. Direct Blue 157 on October 11th, 2013 at 1:11 AM

   […] acid coupling, and then 2-(4-Aminophenylamino)-2-oxoacetic acid hydrolysis base, again diazo, and 4,5Dihydroxynaphthalene-1-sulfonic acid […]

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