Dye|Dye intermediates|Fluorescent Brightener|pigment dye

4-Hydroxy-7-(methylamino)naphthalene-2-sulfonic acid

Name: 4-Hydroxy-7-(methylamino)naphthalene-2-sulfonic acid

CA Name: 2-Naphthalenesulfonic acid,4-hydroxy-7-(methylamino)-

Molecular Structure:

4-Hydroxy-7-(methylamino)naphthalene-2-sulfonic acid,2-Naphthalenesulfonic acid,4-hydroxy-7-(methylamino)-,CAS 22346-43-6,253.27,C11H11NO4S

Molecular Formula:C₁₁H₁₁NO₄S

Molecular Weight: 253.27

CAS Registry Number: 22346-43-6

List of synthetic dyes :

C.I.Reactive Orange 13

C.I.Reactive Red 13

C.I.Reactive Orange 4

C.I.Reactive Red 33

C.I.Reactive Orange 5

C.I.Reactive Blue 40

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This entry was posted on Friday, May 31st, 2013 at 5:21 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-Hydroxy-7-(methylamino)naphthalene-2-sulfonic acid”

1. Reactive Orange 4 on August 29th, 2013 at 6:26 AM

   […] Methods : 2-Aminonaphthalene-1,5-disulfonic acid diazo, and 4-Hydroxy-7-(methylamino)naphthalene-2-sulfonic acid  coupling, then condensation […]

2. Reactive Red 33 on August 30th, 2013 at 7:59 AM

   […] Methods : 4-Hydroxy-7-(methylamino)naphthalene-2-sulfonic acid and 2,4,6-Trichloro-1,3,5-triazine condensation, 2-Amino-5-methoxybenzenesulfonic acid diazo, […]

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