C.I. Fast Blue Base B from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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