CAS 99-55-8
Fast Scarlet Base G Wholesale

Name: Fast Scarlet Base G
Brand: Taizhou Suze Chemical Materials Co., Ltd.

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 red base G is 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.

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Technical Information of Fast Scarlet Base G

Density	1.3±0.1 g/cm³
Boiling Point	329.4±22.0 °C at 760 mmHg
Melting Point	103-106 °C(lit.)
Molecular Formula	C₇H₈N₂O₂
Molecular Weight	152.151
Flash Point	153.0±22.3 °C
Precise Quality	152.058578
PSA	71.84
LogP	1.83
Appearance Characteristics	Yellow prismatic crystallization. MP 107 ° C. Soluble in alcohol, ether and acetone, slightly soluble in water.
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.616

Applications of Fast Scarlet Base G

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.

It is also used as an intermediate in organic pigments.

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