Properties and Applications: colourful red blue light. Dark red powder, soluble in water, slightly soluble in ethanol for product red, the strong sulfuric acid for product red, diluted for pink; Join the hydrochloric acid solution for red; Add sodium hydroxide to brown. Metal ion to the colored light no effect. Used for wool, silk and polyamide fiber fabric dyeing and printing, but also for direct dyes and with bath dyeing wool/rayon blended fabric.
|Standard||Light Fastness||Soaping||Persperation Fastness||Oxygen bleaching||Fastness to seawater|