Hexachlorocyclohexane (HCH) Beta Isomer from Mexico
Beta-HCH is a persistent organochlorine pesticide byproduct from lindane production, derived from benzene via chlorination of cyclohexane. Classified under HTS 2903.89.11.00 due to its halogenated cyclanic structure from aromatic precursors and pesticide designation. Used historically in agriculture despite current restrictions.
Duty Rate — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Verify Stockholm Convention compliance for persistent organic pollutants (POPs) import restrictions
• Include GC-MS analysis certificates confirming isomer purity and aromatic derivation
• Label as pesticide technical material to prevent reclassification as waste or solvent