Properties and Applications
red light purple. Soluble in water for red, slightly soluble in ethanol and acetone. The strong sulfuric acid in dark green light for red, diluted red for blue-ray. In water solution to join 10% sulfuric acid as shallow red; Add 10% sodium hydroxide solution for the light is still red.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
|
|
Fading
|
Stain
|
Fading
|
Stain
|
Fading
|
Stain
|
|
ISO
|
6
|
3-4
|
4
|
3-4
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1
|
1
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3-4
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2
|
|
AATCC
|
6
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2-3
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2-3
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1
|
1
|
1
|
3-4
|
3-4
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![sodium 5-[[4-acetamido-2-[(p-tolyl)sulphonyl]phenyl]azo]-6-amino-4-hydroxynaphthalene-2-sulphonate Structure](https://www.chemicalbook.com/CAS/GIF/4404-39-1.gif)