Uses
Acid Red 226 is mainly used for spraying or curtain coating of natural leathers such as pigskin, cowhide and sheepskin, and is especially suitable for spraying and coloring aniline leather.
Preparation
2-Amino-4-nitrophenol and 2-Amino-5-nitrophenoldiazo respectively, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one (2 Moore) coupling, and then make the generation of the chrome complex.
Properties and Applications
red. The original dyes as red powder, slightly soluble in water, soluble in ethylene glycol ether, DMF, ethanol, and other organic solvent, the solution is a deep red. Leather spray product for flammable, volatile liquid with ethanol smell. Mainly used for pigskin, such as cow leather, goat natural leather finishing the spray or curtains, especially suitable for aniline leather spraying shading
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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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5
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4-5
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5
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2-3
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5
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5
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