Basic Brown 1 C.I. 21000

Product Description

Product Specifications: 

• C.I. Name: Basic Brown 1 (C.I. 21000) 
• CAS No.: 1052-36-6 / 8052-76-4 
• Chemical Formula: CHN 
• Molecular Weight: 346.39 g mol 
• Physical Form: Free-flowing brown powder or 3040 % aqueous liquid concentrate 
• Shade: Deep brown crystals; yellow-brown in solution 
• Solubility: Readily soluble in water (yellow-brown solution); slightly soluble in ethanol; practically insoluble in common organic solvents 
• pH Stability: Precipitates in strong acidic or strongly alkaline media 
• Color Reactions: Red-brown in conc. HSO; orange in HNO  Packaging: Bag, Carboy, Drums
• Perspiration Fastness: 24 
• Ionic Nature: Cationic displays strong affinity for anionic (ligno-cellulosic) fibers 
• Applications: Primary dye for bamboo & wood pulp in craft, newsprint, and tissue papers; secondary use on wool, silk, and leather