Gray-black powder. Soluble in water, solubility in water (80-85℃) is 20g/L. The aqueous solution is blue. When stained with copper, iron ions, the color light becomes green and dark.
5-Amino-2-(phenylamino)benzenesulfonic acid and the 2,3,5,6-Tetrachlorocyclohexa-2,5 -diene-1,4-dione in the water to magnesium oxide bound for acid agents for condensation, its product to hair smoke closed-loop have to dioxazine sulfuric acid, and then as two sodium salting out.
Solophenyl Brilliant Blue BL, Chlorantin Fast Brilliant Blue 2 GL (Ciba-Geigy), Tertro Direct Light Blue 2GLN (Crompton & Knowles).
Properties and Applications
bright blue. Mainly used for cotton, viscose, silk, polyamide fiber fabric dyeing and printing, also can be used for leather dyeing.
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Standard(cotton)
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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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ISO
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4
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4
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6-7
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3-4
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2-3
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