Monohydrate Tartaric Acid Crystals from Japan
Tartaric acid monohydrate in crystalline form, chemically defined with one water molecule per tartaric acid molecule, classified under HTS 2918.12.00.00 per note 1(d). Used in effervescent formulations and as a buffer.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Water content verification via Karl Fischer titration required
• Stable form but declare hydrate status to match COA
• Pharma imports need DMF if for drug master file