Preparation
(a) blue anthrone in sulfuric acid in bromination, (b) in the presence of copper chloride 2-Aminoanthracene-9,10-dione (2 Moore) from condensation.
Properties and Applications
brilliant blue. Not soluble in ethanol. In concentrated sulfuric acid to dark yellow brown. Dilution after blue precipitation; In the basic insurance powder solution for blue; In the acidic insurance powder solution for blue.
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Standard
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Ironing Fastness
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Chlorine bleach
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Light Fastness
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Mercerized
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Oxygen bleach
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Soaping
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Fading
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Stain
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ISO
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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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4-5
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