bright orange. Moderate soluble in water and ethanol for gold orange, soluble in soluble fiber element, insoluble in other organic solvents. In the dark for the strong sulfuric acid, diluted light yellow for subtle stitching, precipitation; In nitric acid solution for orange. The dye solution to join strong hydrochloric acid have yellow olive brown precipitation; Add thick sodium hydroxide solution for gold orange, precipitation. Used for wool, silk and polyamide fiber dyeing, wool dyeing in neutral or weak acid bath.
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Standard(wool)
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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Fading
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Stain
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Fading
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Stain
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AATCC
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4
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4-5
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5
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