C.I. Fast Blue Base B from Mexico
C.I. Fast Blue Base B is an aromatic amine diazotized salt serving as a fast color base for brilliant blue azo pigments in ink and paint manufacturing. Its diazonium structure enables coupling reactions for colorfast applications. Falls under HTS 2927.00.30.00 as a fast color base diazo compound.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide technical data sheets proving diazonium salt composition for proper Chapter 29 classification
• Check for stabilizer content; excess additives may shift to heading 3824 chemical preparations
• Label shipments with UN numbers if hazardous; fast color bases often require dangerous goods declaration