Ammonium Bitartrate from China
Ammonium bitartrate is used in wine stabilization and as a lab reagent. Classified in HTS 2918.13.5000 as an 'other' salt of tartaric acid, per Chapter 29 note 1(C)(1) for organic salts. The bitartrate form retains carboxylic alcohol function classification.
Duty Rate — China → United States
29.4%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• pH test certificates aid classification; ammonia odor requires proper venting in shipping; not for food use without FDA GRAS status