Preparation
the 2-Aminobenzenesulfonic acid diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidcoupling, and 2,4,6-Trichloro-1,3,5-triazine condensation, again with a between, 2-(3-Aminophenylsulfonyl)ethyl hydrogen sulfate condensation
Properties and Applications
colourful yellow red. Orange red powder. In the water solubility good (in 50 ℃ when solubility of 60 g/L), dyeing copper ions influence for grade 1; Iron ion influence for the level 4. Used for cotton fabrics, cellulose fiber dyeing, also can be used for the cellulose fibre direct 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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6
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3-4
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5
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4-5
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4-5
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4-5
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5
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