Direct Yellow Dye Manufacturer — Direct Yellow 6, Direct Yellow 12, Direct Yellow 86, Direct Yellow 99
SHREY DYE CHEM INDUSTRIES, a renowned Direct Yellow Dye Manufacturer in Ahmedabad, India. Direct Yellow Dye is a yellow powder with good water solubility, soluble in water in yellow to golden yellow solution, such as solution cooling and flocculent dye precipitation. When 1 gram of dye is dissolved in 50 grams of water at a temperature below 15℃, it becomes frozen and is called frozen yellow. Added concentrated hydrochloric acid to the aqueous solution causes a yellow precipitate to form. Direct Yellow Dye is slightly soluble in ethanol (appearing as lemon color), ethylene glycol ether, and acetone (appearing as greenish-yellow). In concentrated sulfuric acid, it appears red-purple, and after dilution, it precipitates from purple to red-blue. Direct yellow dye in concentrated ammonia.
