Product description:
Vat Golden Yellow RK is orange powder.
Soluble in nitrobenzene, xylene, tetrahydronaphthalene, slightly soluble in ethanol, acetone, benzene, pyridine, toluene,o-chlorophenol.
It appears blu-violet in concentrated nitric acid and orange when diluted. Jujube red in alkaline powder reduction solution.
Product parameter:
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CAS No. |
1324-11-4
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EINECS No.
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215-363-2
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C.I. No.
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59105
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Molecular formula
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C24H10Br2O2
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Molecular Weight
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490.143
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Appearance
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Orange yellow powder
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Shade
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Brilliant yellowish
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Application
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Used for dyeing and printing cotton, viscose fiber, silk, polyester, cotton, polyester cotton. Because it is a serious photobrittle dye, it is often used for color combination and also for the manufacture of organic pigments
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Density
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1.837 g/cm3
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Solubility
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Soluble in nitrobenzene, xylene, tetrahydronaphthalene, slightly soluble in ethanol, acetone, benzene, pyridine, toluene,o-chlorophenol. It appears blu-violet in concentrated nitric acid and orange when diluted. Jujube red in alkaline powder reduction solution.
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Water solubility
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8.337mg/L at 20℃
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Boiling point
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694.9ºC at 760 mmHg
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Flash point
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210.8℃
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Index of refraction
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1.807
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Vapor pressure
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1.71E-19mmHg at 25°C
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LogP
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6.78760
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PSA
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34.14000
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Product picture:
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