Direct Orange 28
Direct Orange 28 Dye are anionic water-soluble pigments that are used for dyeing different kinds of fabrics and cellulosic materials. It is always used in alkaline conditions and shows optimum colorfast properties. This dye is cost-effective in nature and is known to be very easy to apply. It is insoluble in organic solvents with slight solubility in ethanol. Direct Orange 28 Dye requires electrolyte for exhaustion and imparts good brightness over the substrate. When dissolved in strong sulfuric acid, it delivers red-purple color and gives red light brown when added to nitric acid.