Methylmercuric Chloride from Mexico
Methylmercuric chloride is a highly toxic organomercury compound used in research on environmental toxicology. Covered under HTS 2852.90.90.00 for chemically defined mercury organics.
Duty Rate — Mexico → United States
13%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Institutional Biosafety Committee approval often required for labs
• UN 2026; double-bag with absorbents
• Trace quantities may qualify for research exemptions but document carefully