Ultrahigh Purity Copper Sulfate from China
99.999% CuSO4 for semiconductor doping and advanced materials research. HTS 2833.25.00.00 for chemically defined salts; electronic grade excludes worked forms per chapter notes. Supplied in cleanroom packaging.
Duty Rate — China → United States
26.4%
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)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• ICP-MS analysis required showing <1ppb impurities
• Double-bagged in cleanroom; nitrogen purged shipping
• ITAR/EAR screening if for defense electronics