... , Ink Dyestuffs, Leather Dyestuffs, Paint SpecificationsStandard Strength:100% Shade:Bluish Violet Appearance:Green Shining Powder or Crystal Usage:Paper, Leather and ... so onBasic Violetalso called Methyl Violet, Methyl Violet BB, Methyl Violet 2BC.I. Basic Violet 1, C.I. 42525CAS:8004-87-3Specification ... .Applications:for Paper, Leather dyeing, ink and so on. methyl violet