Syringic Acid from Canada
Syringic acid (4-hydroxy-3,5-dimethoxybenzoic acid) is a natural-derived aromatic compound used in antioxidants and research. Classified HTS 2918.99.4700 for poly-oxygen functions. Chemically defined per Chapter scope.
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
• Source declaration (synthetic vs plant)
• Antioxidant stability docs
• Avoid retail food packs