Min. Order Reference FOB Price
1000 kg US$4.00-6.00 / kg
Product Description
Product Description The granular indigo is processed by spray drying the slurry of acid washing indigo with additive,This product is dark-blue uniform powdery or granular. It cannot be dissolved in water and common organic solvents such as ethanol and aether, but can be dissolved in hot aniline and ...