Preparation
3-(Diethylamino)phenol (1 Moore) and Phthalic anhydride (1 Moore) condensation, product and 2,4-Dihydroxybenzoic acid?condensation and oxidation.
Properties and Applications
blue light red. Reddish-brown powder. Soluble in water with yellow fluorescent light yellow, with hydrochloric acid fluorescence disappear. For in sodium hydroxide with yellow fluorescent light red, dyeing, meet copper ion color is blue, encounter iron ion color is yellow. Mainly used for wool fabric dyeing, and can be used for loose hair, Hank, and the billet, silk dyeing, also can be used for wool and a variety of fiber blended fabric dyeing, can be in Chromic acetate pretreatment of wool or silk in direct printing.
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Standard
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Ironing Fastness
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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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Water
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Alkali
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Acid
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ISO
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3
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4
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3-4
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5
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3-4
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4-5
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