Product description:
Vat yellow GCN is yellowish brown powder. Insoluble in water and ethanol. It appears yellow in concentrated sulfuric acid and purple in alkaline powder solution.
Product parameter:
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CAS No. |
129-09-9
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EINECS No.
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204-931-5
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C.I. No.
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67300
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Molecular formula
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C28H14N2O2S2
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Molecular Weight
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474.55
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Appearance
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Yellow brown powder
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Application
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It is used for color matching and printing of cotton and silk fabrics. It can also be used for dyeing viscose, polyester/cotton and viscose/cotton
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Density
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1.2270 (rough estimate)
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Solubility
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Insoluble in water and ethanol. It appears yellow in concentrated sulfuric acid and purple in alkaline powder solution
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Boiling point
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727.3°C at 760 mmHg
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Flash point
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393.6°C
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Pressure of vapor
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5.25E-21mmHg at 25°C
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Index of refraction
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1.6360 (estimate)
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LogP
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7.01540
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PSA
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116.40000
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HS code
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2934100090
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Product picture:
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