Preparation
2,4,6-Trichloro-1,3,5-triazine and 4-Hydroxy-7-(methylamino)naphthalene-2-sulfonic acidcondensation, its product and the 2-Aminobenzenesulfonic acid coupling, and then between 3-Aminobenzenesulfonic acidcondensation.
Properties and Applications
bright orange. Orange red powder. Soluble in water, not sensitive to that fights. The strong sulfuric acid for dark red sauce, precipitation, diluted into a golden brown; In nitric acid for golden yellow, yellow for diluted. The dye water solution is golden brown, add 1 Moore sodium hydroxide to deep yellow, continue to join insurance powder and warm, to light yellow, add a boric acid sodium is still light yellow. Can be used for cotton or viscose fiber dyeing and direct, the dye printing.
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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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5
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4(yellow)
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4(yellow)
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