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| | 7-Hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid disodium salt Basic information |
| | 7-Hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid disodium salt Chemical Properties |
| | 7-Hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid disodium salt Usage And Synthesis |
| Preparation | 4-Aminonaphthalene-1-sulfonic acid diazo, and 7-Hydroxynaphthalene-1-sulfonic acid?coupling. | | Properties and Applications | red. Soluble in water for red, and adequate soluble in alcohol. The strong sulfuric acid to red light purple, diluted in red. In aqueous solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for yellow brown.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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Fading
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Stain
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Fading
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Stain
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ISO
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3-4
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2
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1
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2
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AATCC
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3
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1
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1
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1
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| | 7-Hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid disodium salt Preparation Products And Raw materials |
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