Bismuth Subnitrate from Canada
Bismuth subnitrate is a basic salt used in pharmaceuticals and cosmetics as an antacid and astringent. Classified in HTS 2825.90.90.00 as other inorganic bases of bismuth. It qualifies despite being a salt due to its basic oxide nature.
Duty Rate — Canada → United States
3.7%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• FDA prior notice required for pharma use; include drug master file references
• Heavy metal testing mandatory; levels >10ppm trigger rejection