Preparation
2-Amino-5-methoxybenzenesulfonic acid diazo, and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and 5-Chloro-2,4,6-trifluoropyrimidine condensation.
Properties and Applications
red. Red powder. 25 ℃ in the solubility of water when for 70 g/L. This product to dead cotton cover sex medium, and has good to the stability of the fights. In alkaline or neutral condition of white the gender is poorer, the dyeing devoured rate can amount to 95%, but solid color rate of only 78%. Mainly used for cotton and viscose fiber dyeing.
Standard
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Light Fastness
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Oxygen bleaching
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Persperation Fastness
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Soaping
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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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1 (blue, dark)
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4
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5
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5
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5
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5
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