Pharmaceutical Grade Witherite from Japan
Ultra-pure natural witherite meeting pharmacopeia standards for barium content, used as raw material for radiopaque agents. HTS 2511.20.00.00 applies pre-formulation as natural mineral source. Basis for barium meal contrast media.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Include USP/EP certificates proving natural origin despite high purity
• Declare pharma end-use but emphasize mineral status before processing
• Prepare for FDA scrutiny on purity claims that border synthetic territory