Preparation
2,4-Diaminobenzenesulfonic acid and 2,4,6-Trichloro-1,3,5-triazine condensation, and again 3-Aminobenzenesulfonic acid condensation, and then diazo, and 2,5-Bichloro-4-(3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling, and finally hydrolysis.
Properties and Applications
green light yellow. Yellow evenly powder, soluble in water, solubility than 50 g/L (50 ℃). Can be used for wool and polyamide fiber fabric dyeing.
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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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6
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4
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5
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4-5
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4
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5
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4-5
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5
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