Metrizoic Acid Technical Grade from China
Technical grade metrizoic acid is used in industrial synthesis of iodinated contrast media for CT scans. Classified precisely in HTS 2924.29.0500 as a listed aromatic cyclic amide-function compound, per chapter notes excluding finished medicaments.
Duty Rate — China → United States
17.8%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Test for iodine content to confirm identity; avoid declaring as 'dye' which excludes from chapter 29
• Use NAICS codes for pharma intermediates