Lindane 99% Pure Crystals from Mexico
High-purity lindane crystals (99% gamma-HCH) used in pharmaceutical and agricultural chemical synthesis. Classified under HTS 2903.81.00.00 as it is the pure, chemically defined 1,2,3,4,5,6-hexachlorocyclohexane isomer. Meets chapter criteria for separate halogenated organic compounds without excluded additives.
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
• Provide GC-MS analysis confirming gamma isomer purity >99% to match HTS description exactly
• Declare as 'pure chemical for synthesis' to avoid pesticide classification; watch for anti-dusting agent additions
• Comply with TSCA import certification; common issue is improper UN packaging for hazardous goods