Cream of Tartar Powder from Mexico
Cream of tartar, or potassium bitartrate, is a purified form of argol derived from wine lees during winemaking. It falls under HTS 2307.00.00.00 as argol, the crystalline deposit left after wine fermentation. Commonly used as a baking acid and stabilizer in food products.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify purity and origin certification to confirm classification as argol rather than a finished chemical under Chapter 29
• Provide documentation proving derivation from wine production to avoid misclassification as general food waste
• Check for food-grade compliance and FDA prior notice requirements for edible imports