Ultrahigh Purity Copper Sulfate from Mexico
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 — Mexico → United States
1.4%
Rate breakdown
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