Product description:
Vat Yellow G is a kind of high-grade organic pigment of VAT dye class, giving reddish yellow, with high transparency, light fastness and weather fastness.
Product parameter:
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CAS No. |
475-71-8
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EINECS No.
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207-498-0
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C.I. No.
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70600
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Molecular formula
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C28H12N2O2
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Molecular Weight
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408.41
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Appearance
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Brown powder
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Application
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It is suitable for dyeing and printing of Vinylon, Vinylon/cotton blended fabric, and can be processed into organic pigment
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Density
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1.575±0.06 g/cm3
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Solubility
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Soluble in hot nitrobenzene, slightly soluble in pyridine, o-chlorophenol, insoluble in acetone, alcohol, chloroform and toluene;
It is dark orange in concentrated sulfuric acid and yellow precipitates after dilution. Alkaline insurance powder is blue, adding acid turns green. |
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Boiling point
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730.1±55.0 °C
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Flash point
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365.3°C
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Pressure of vapor
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3.56E-21mmHg at 25°C
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Index of refraction
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1.936
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Acidity coefficient(pKa)
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-0.82±0.20(Predicted)
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Storage condition
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Sealed in dry,RoomTemperature
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Product picture:
Application of VAT Dyes:
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