Properties and Applications
Orange. Yellow light red powder: melting point of 210 ~ 212 ℃, soluble in ethanol, acetone, toluene, soluble fiber element. The strong sulfuric acid for green light yellow; In nitric acid for red; In strong hydrochloric acid for brown in the light yellow. Used for polyester and acetic acid fiber dyeing, also can be used for nylon 66 and acrylic fiber dyeing and plastic shading.
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Standard
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Ironing Fastness
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Light Fastness
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Persperation Fastness
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Washing Fastness
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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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4
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2
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5-6
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4-5
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5
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4-5
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3-4
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![4-[(4-nitrophenyl)azo]-o-toluidine Structure](https://www.chemicalbook.com/CAS/GIF/84255-13-0.gif)