Reactive Yellow 145

Reactive Yellow 145, 50 a when the solubility in water a Y 100g / L, yellow She 1N sodium hydroxide aqueous solution is dark yellow liquid combined with sodium hydro sulfite, and warm, into a colorless, following the increase is still colorless sodium perforate , in sulfuric acid or nitric acid all assume the yellow. Available at 20-40 a in the alkaline nature of the fibers in solid color, solid-color rate of about 60%. Alkali hydrolysis, acid hydrolysis of impatience.

Reactive Yellow 145 For cotton, wool, silk, rayon, nylon and other man-made lines and dyeing and printing, also suitable for ice-dyed cloth printing bottoming. Pairs of cotton or rayon, dyed bright yellow alone or with Reactive Brilliant Blue X-BR to fight a variety of green dye. Pairs of silk silk spinning, and often Reactive Turquoise Blue KN-G fight dyed green fruit.