Potassium Tartrate from Canada
Potassium tartrate acts as an analytical reagent and food buffer. As a salt of tartaric acid, it is 'other' under HTS 2918.13.5000, aligned with Chapter 29 organic salt provisions. No additional functions alter heading.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6095.6%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Hygroscopic nature requires sealed packaging docs; potassium content for ATF if wine-related; pure vs cream of tartar distinction