Preparation
commonly known as Indigo White.3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro- in the presence of a base reduction (with or without various stabilizers may be).
Properties and Applications
purplish blue to red light navy blue. Soluble in Etanol for blue, fluorescence. In the Sodium hydroxide solution for yellow green, In the basic insurance powder solution for yellow; In the acidic insurance powder solution for colorless. Mainly used for cotton fabric dyeing, also can be used for viscose and adhesive/cotton blended fabric dyeing.
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Standard
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Ironing Fastness
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Chlorine bleach
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Light Fastness
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Mercerized
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Oxygen bleach
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Soaping
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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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3
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4
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2-3
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AATCC
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3
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1-2
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3
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2-3
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