Preparation
Bis (4-(dimethylamino) phenyl) methanol?and Naphthalene-2,7-disulfonic acid?in 15% of sulfuric acid condensation, again used lamps oxidation, and translated into sodium salt.
Properties and Applications
green. Variegated dark green powder. Soluble in water is blue light green, soluble in ethanol is green. Meet strong sulfuric acid as yellow brown, diluted for yellow. Mainly used for wool, silk dyeing and printing, suitable for wool fabric dyed dark. High dye migration sex and good permeability, applicable to the piece dyed.
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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
|
Stain
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Fading
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Stain
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ISO
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3
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3
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3
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4-5
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1
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5
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4
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2
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AATCC
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2
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2-3
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2-3
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3-4
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1
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1
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3
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3
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