Chemical Properties
purple to dark violet powder
Uses
ACID BLUE 41 is used for dyeing wool, silk, nylon, and their blends, and can also be directly printed on wool, silk, and nylon fabrics. It has high strength and good leveling properties, making it suitable for dyeing medium to deep shades of blue or for color mixing. When dyeing with other fibers in the same bath, nylon, silk, and wool achieve similar colors, while acetate and cellulose fibers do not stain. It can also be used for coloring leather and paper.
Preparation
1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid andN-(4-aminophenyl)-N-methylacetamide in copper salt and tied the presence of acid agents condensation, and then into sodium salt.
Properties and Applications
blue. Dark blue powder, soluble in water, water solution without gathered at room temperature phenomenon. The strong sulfuric acid dyes for dark brown, after dilute for pink; In the nitric acid for brown (already break). The water solution is blue, add hydrochloric acid sodium hydroxide or after the same color. Discharge sex is bad, dyeing copper ions in the dark colored, iron ion in light and dark red. Used for wool, polyamide fiber, silk and wool blended fabric dyeing and printing directly, can also be used for leather and paper 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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5-6
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2
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2
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4
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2
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2
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2-3
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2-3
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AATCC
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5
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2
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2
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3
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2
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1
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3
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3
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