Molecular Weight: 458.04
CAS Registry Number:2185-86-6
Properties and Applications: red light blue. Blue gray uniform powder, slightly soluble in cold water, soluble in hot water for blue, easily soluble in ethanol to blue. The strong sulfuric acid is palm in light yellow, diluted by light green to blue. The dye solution to join with brown sodium hydroxide floe content precipitation. Used for silk, wool, cotton cloth tannins mordant dyeing of dyeing, also used in linen, leather, paper, bamboo, wood color, also used in the manufacture of dyes and organic solvent paint.