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Cream of Tartar Powder from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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