Metanil yellow and Acid Yellow 36
Acid Yellow 36/Metanil Yellow is Yellow powder. Soluble in water, soluble in ethanol, ether, benzene and ethylene glycol ether, slightly soluble in acetone. It turns purple in the presence of sulfuric acid, and produces a red precipitate after dilution. In case of nitric acid, it turns blue, and then it turns into an aqueous solution of hydrochloric acid, which turns red, and precipitates; when sodium hydroxide solution is added, it remains unchanged, and yellow precipitate occurs after excess. When dyeing, the color of steel ions is dark green; in case of iron ions, the color is lighter; in case of chromium ions, it changes slightly. Besides, Acid Yellow 36 / Metanil Yellow within Good cushioning.
Acid Yellow 36 / Metanil Yellow Specification
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Specification |
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Product Name |
Metanil Yellow |
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C.I.No. |
Acid Yellow 36 |
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Appearance |
Gold Yellow Powder |
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Shade |
Similar To Standard |
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Strength |
180% |
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Insoluble Matter In Water |
≤1.0% |
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Moisture |
≤5.0% |
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Mesh |
200 |
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Fastness |
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Light |
3-4 |
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Soaping |
4 |
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Rubbing |
4-5 |
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Packing |
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25.20KG P.W.Bag /Carton Box / Iron Drum |
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Application |
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Mainly used for dyeing on wool, ink,paper,leather and nylon |
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Acid Yellow 36 / Metanil Yellow Application
(Soap dyes, Wool Dyes, Wood Dyes, Leather Dyes, Paper Dyes, Biological Dyes, Medicine Dyes, Cosmetic Dyes)
Acid Yellow 36, mainly used for coloring soap. For wool dyeing, it should be carried out in a strong acid bath, and the Sodium sulfate can improve the levelness. When used for wool dyeing with various fibers in the same bath, the cellulose fibers are slightly stained. Acid Yellow 36 can also dye leather. It can give good color when used in paper, but it is not acid-resistant. It can also be used as an indicator (pH1~3). It can also be used in the manufacture of lakes and paints, wood products, and biological dyeing. It can also be used in medicine and cosmetics.
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