Preparation
3,3′-Dimethoxylbenzidine double nitriding, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-1-sulfonic acid (2 Moore) coupled.
Properties and Applications
blue. Soluble in water for blue, insoluble in organic solvents. The strong sulfuric acid for blue-ray green, diluted red for blue; In nitric acid solution for the red light in blue. The dye solution to join 10% sodium hydroxide solution for bright blue.
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Standard
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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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2
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5
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2-3
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2
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4
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