Product description:
VAT blue RSN has bright color, excellent fastness to light, alkali, wash and perspiration stain, but no chlorine bleaching resistance. It is mainly used for dyeing cotton fiber, viscose fiber, Vinylon and so on. It can also be used as organic pigment.
Product parameter:
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CAS No. |
81-77-6
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EINECS No.
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201-375-5
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C.I. No.
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69800
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Molecular Formula
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C28H14N2O4
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Molecular Weight
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442.42
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Appearance
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Blue-black powder
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Shade
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Brilliant reddish
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Application
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It is mainly used for dyeing cotton fiber, viscose fiber, Vinylon and so on. It can also be used as organic pigment
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Characteristic
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Bright color, light fastness, alkali resistance, wash resistance, perspiration resistance and other fastness are very good, but not chlorine bleaching resistance
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Density
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1.3228g/cm3
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Solubility
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Insoluble in water, acetic acid, pyridine, toluene, xylene, acetone and ethanol, slightly soluble in hot chloroform,
o-chlorophenol and quinoline |
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Water solubility
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<0.1 g/100 mL at 21 ºC
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Melting point
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470-500°C
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Boiling point
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553.06ºC
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Flash point
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253.9ºC
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Vapor pressure
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8.92E-22mmHg at 25°C
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Refractive index
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1.5800 (estimate)
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Stability
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Incompatible with strong oxidizing agents
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Acidity coefficient (pKa)
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-1.40±0.20(Predicted)
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Storage condition
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Sealed in dry,Room Temperature
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Product picture:
Application of VAT Dyes:
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