Hexachlorocyclohexane (Technical Grade) from Mexico
Technical grade hexachlorocyclohexane (HCH) is a mixture of isomers of chlorinated cyclohexane used historically as pesticide intermediate (excluding Lindane isomer). Falls under HTS 2903.89.70.90 per Chapter 29 note (b) for mixtures of isomers of same organic compound, specifically halogenated cyclanic hydrocarbons. Excludes purified single isomers which may have specific subheadings.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Submit isomer composition analysis to distinguish from single-isomer products; ensure Stockholm Convention compliance documentation for persistent organic pollutants; use proper waste byproduct declarations