Preparation
2-Amino-4-nitrophenol diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling, and then made the chrome complex 2-1.
Properties and Applications
bright orange. The original dyes as orange powder. Slightly soluble in water, soluble in ethylene glycol ether, DMF, ethanol, and other organic solvent, soluble in organic solvent for orange after brown. Leather spray product for flammable, volatile liquid with the smell of wine. Mainly used for pigskin, sheepskin and cowhide and other natural leather spraying, particularly suitable for the aniline leather spraying shading.
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Standard(Polyamide 6)
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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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7
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4-5
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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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