Pyrogallic Acid Flakes Industrial Grade from Canada
Industrial grade pyrogallic acid in flake form (90-95% purity) is classified as pyrogallol under HTS 2907.29.10.00. These larger flakes reduce dusting during handling, with anti-dusting agents permitted by Chapter note (g). Used in synthetic rubber antioxidant production.
Duty Rate — Canada → United States
11.3%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Declare flake size and anti-dusting agent composition; prevents reclassification as mixture
• Bulk packaging requires proper ventilation declarations due to oxidation potential
• Industrial end-use documentation helps avoid retail preparation scrutiny