Preparation
aniline diazo, and 2,5-Bichloro-4-(3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling.
Properties and Applications
brilliant yellow. Bright orange powder. Soluble in water yellow, slightly soluble in ethanol and acetone, insoluble in toluene. Strong sulfuric acid in a bright orange; Nitric acid in a bright orange. This product used for wool, silk dyeing, good levelness.
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
|
Fading
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Stain
|
Fading
|
Stain
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ISO
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6
|
2
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4
|
3
|
1-2
|
|
3
|
|