Isoquinoline Anti-Dusting Grade from Canada
Isoquinoline with anti-dusting agent added for safety, permitted under Chapter 29 note (g), stays in HTS 2933.49.15.00. For bulk industrial handling.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6094.2%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Document anti-dusting agent purpose and concentration limits
• Industrial hygiene labeling required for worker safety