Chemical Properties
Green light yellow. It turns dark red when it encounters copper ions, darker when it encounters chromium ions, and slightly red when it encounters iron ions.
Preparation
4-Dodecylbenzenaminediazo, and 2,5-Bichloro-4-(3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling.
Properties and Applications
green light yellow. Green light yellow powder, soluble in water. The strong sulfuric acid dyes in deep yellow, diluted unchanged; In nitric acid in deep in yellow. Its water solution is green light yellow, add hydrochloric acid or sodium hydroxide are no change. Mainly used loose wool and carpets, wool and silk can also be printed directly on the fabric, earth-colored discharge. The barium salt can be used for paper coating.
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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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4-5
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4-5
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5
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4-5
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4
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5
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4-5
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4-5
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