CAS 99-55-8 Fast Scarlet Base G Wholesale
It is obtained from o-toluidine as the basic raw material by nitrification after salt formation with sulfuric acid. The product content is more than 98%, the melting point is above 103℃, the average yield is 73.65%. The bright fast scarlet g baseis a golden yellow crystal. Melting point is 107 ℃. Insoluble in water, soluble in ethanol, ether, benzene and acetone. Coupling ability is strong, coupling speed is medium.
Technical Information of Fast Scarlet Base G
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Density |
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Boiling Point |
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Melting Point |
103-106 °C(lit.) |
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Molecular Formula |
C7H8N2O2 |
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Molecular Weight |
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Flash Point |
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Precise Quality |
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PSA |
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LogP |
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Appearance Characteristics |
Yellow prismatic crystallization. MP 107 ° C. Soluble in alcohol, ether and acetone, slightly soluble in water. |
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Vapor Pressure |
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Refractive Index |
Applications of Fast Scarlet Base G
01
It is mainly used for dyeing and printing cotton fabrics, dyeing bright red with chromophore AS or AS-D coupling (that is, flag red), and can also be used for dyeing silk, viscose and nylon fabrics.
02
It is also used as an intermediate in organic pigments.
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