Uses
Acid Blue 29 C.I. 20460 is an organic dye and water pollutant, removed from water using photocatalytic degradation. Dyes and metabolites.
Preparation
M-nitroaniline diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?in acid conditions coupled, its product again with diazo of aniline in alkaline conditions coupled.
Properties and Applications
navy blue. Soluble in water and soluble fiber element for navy blue, soluble in ethanol. The strong sulfuric acid blue light in green, blue after diluted precipitation. In water solution to join 10% sulfuric acid as blue; Add 10% sodium hydroxide solution for purple
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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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2
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1-2
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3
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AATCC
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7-8
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2
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1
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1
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