Preparation
2,4-Dinitrophenol?and?Picric acid?or?2-Amino-4,6-dinitrophenol?mixture with Sodium polysulfide solution heating.
Properties and Applications
blue black. In the Sodium sulfide solution solubility is very good, solution for blue black; In concentrated sulfuric acid for the blue black, dilution after black precipitation.
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Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Moderate
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Severe
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ISO
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5
|
4
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6-7
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5
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5
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5
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4-5
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AATCC
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5
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3
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7-8
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4
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|
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4-5
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