Preparation
Bis(4-(dimethylamino)phenyl)methanone?,Phenylenediamine and Benzene-1,3-diamine?at 195-215 ℃ for 4 to 7 hours, and its product at 100 ℃ with 30% hydrochloric acid were hot (USP546177)..
Properties and Applications
dark yellow orange. Soluble in water and ethanol is palm light yellow, with green fluorescent. The strong sulfuric acid for brown, a green fluorescent, diluted red light for palm, with fluorescent orange red. The dye solution to join strong light brown precipitation sodium hydroxide solution.
Standard( Cotton )
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Light Fastness
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Persperation Fastness
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Ironing Fastness
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Soaping
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Fading
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Stain
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Fading
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Stain
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Fading
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Stain
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ISO
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1-2
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1-2
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