Preparation
2-Aminobenzoic acid diazotization, and 4-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling.
Properties and Applications
yellow to red light yellow. Soluble in water for yellow, slightly soluble in ethanol and soluble fiber element, insoluble in other organic solvent. In concentrated sulfuric acid to yellow, after diluted solution for yellow; In concentrated nitric acid for green yellow solution; In concentrated hydrochloric acid for green yellow solution.
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Standard
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Ironing Fastness
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Water
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Alkali
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Acid
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ISO
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4
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7
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4-5
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3
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4-5
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4-5
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4-5
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AATCC
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4-5
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7
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4
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4-5
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4-5
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4-5
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