Tritiated Water (HTO) Solution from China
Aqueous solution of tritiated water used as a tracer in biological and hydrological studies. Classified under HTS 2844.41.00.00 as a compound of tritium meeting Chapter 28 chemical definition requirements. Its specific radioactivity exceeds natural levels, qualifying as a radioactive compound.
Duty Rate — China → United States
37.5%
Rate breakdown
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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
Import Tips
• Label with exact tritium concentration and total activity; use UN-approved shielded containers; pre-clear with CBP Radioactive Materials Branch