Properties and Applications
red light orange. Slightly soluble in water and ethanol for orange. In the strong sulfuric acid to red, orange precipitation after diluted. The dye solution to join strong hydrochloric acid have red orange precipitation; Add thick chlorine oxidation sodium solution for palm light orange. Used for the cellulose fibre and silk dyeing, Exhaust dyeing good, also can be used for leather color.
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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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4
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5
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1-2
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2-3
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3-4
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AATCC
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5
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5
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3
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2-3
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5
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![2-Naphthalenesulfonic acid, 7-[[3-[(3-aminobenzoyl)amino]benzoyl]amino]-4-hydroxy-3-(phenylazo)-, monosodium salt Structure](https://www.chemicalbook.com/CAS/20200331/GIF/6417-29-4.gif)