Min. Order Reference FOB Price
1 Ton US$4,000.00-6,500.00 / Ton
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 melt phthalic ...