Product description:
Vat Olive R is mainly used for dyeing cotton fiber, and can also be used for dyeing yarn, silk and fiber/cotton blend.
Product parameter:
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CAS No. |
2379-81-9
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EINECS No.
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219-169-9
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C.I. No.
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69005
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Molecular Formula
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C42H23N3O6
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Molecular Weight
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665.648
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Appearance
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Black powder
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Application
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It is mainly used for dyeing cotton fiber, and can also be used for dyeing yarn, silk and fiber/cotton blend
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Density
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1.537g/cm3
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Solubility
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Insoluble in water, acetone, ethanol, toluene, xylene, slightly soluble in chloroform, pyridine, soluble in o-chlorophenol. It
appears red in concentrated sulfuric acid and is diluted to produce a fluorescent olivy-green precipitate. In the sodium hydrosulfite alkaline solution appears reddish brown, in the acid solution appears yellowish brown |
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Boiling point
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685.54°C
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Refractive index
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1.831
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Acidity coefficient (pKa)
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11.19±0.20(Predicted)
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PSA
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142.27000
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LogP
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7.52250
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Product picture:
Application of VAT Dyes:
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