Uses
Azo Blue is an organic dye used in the textile industry. Azo blue is a ground water pollutant.
Preparation
3,3′-Dimethylbenzidine? double nitriding, and 4-Hydroxynaphthalene-1-sulfonic acid (1 Moore) and 5-Hydroxynaphthalene-1-sulfonic acid (1 Moore) coupled.
Safety Profile
An experimental teratogen. Whenheated to decomposition it emits toxic fumes of NOx,SOx, and NaO2.
Properties and Applications
dark blue purple.
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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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1
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1
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2
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