3-[[4-[(4-Amino-2-sodiosulfophenyl)azo]-5-methyl-2-methoxyphenyl]azo]-4-hydroxy-7-phenylaminonaphthalene-2-sulfonic acid sodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
2-Amino-5-nitrobenzenesulfonic acid diazo, and 2-Amino-4-methylanisole coupling, product to diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling, then use the method will be reduced to amino nitro.
Properties and Applications
blue. Soluble in water for purple, slightly soluble in alcohol. The strong sulfuric acid for blue, purple precipitation after diluted. The dye solution to join strong hydrochloric acid have blue purple precipitation; Add thick sodium hydroxide solution have dark purple precipitation.
Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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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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5
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5
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4
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3
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4
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3-[[4-[(4-Amino-2-sodiosulfophenyl)azo]-5-methyl-2-methoxyphenyl]azo]-4-hydroxy-7-phenylaminonaphthalene-2-sulfonic acid sodium salt Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte