Calcium Tartrate Dihydrate from China
Calcium tartrate dihydrate is the calcium salt of tartaric acid, used as a food additive and stabilizer in beverages and confectionery. It falls under HTS 2918.13.5000 as a salt of tartaric acid, specifically classified as 'other' salts and esters excluding those specified elsewhere. This chemically defined organic compound meets Chapter 29 note (a) for separate compounds.
Duty Rate — China → United States
137.5%
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
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
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)
Import Tips
• Verify purity certificate to confirm it's a chemically defined salt per Chapter 29; ensure food-grade documentation if for consumables; avoid misclassification as inorganic calcium salts under Chapter 28