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| C.I. Direct Orange 63 Basic information |
| C.I. Direct Orange 63 Chemical Properties |
| C.I. Direct Orange 63 Usage And Synthesis |
Preparation | (E)-2-(2-sulfo-4-nitrostyryl)-5-nitrobenzenesulfonic acid diazo, coupled with phenol, again, then methylation hydroxyl with glucose will nitro reduction. | Properties and Applications | bright orange. Soluble in water for gold orange, slightly soluble in alcohol. The strong sulfuric acid for navy, Red sauce for diluted. The dye solution to join strong hydrochloric acid for hidden cyan, have precipitation. Add thick sodium hydroxide solution for red orange, precipitation.
Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Soaping
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Water
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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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3
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4-5
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5
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2-3
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2-3
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| C.I. Direct Orange 63 Preparation Products And Raw materials |
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