2903.89.31.00/Lindane Gamma Isomer/China

Lindane Gamma Isomer from China

Lindane is the pure gamma isomer of hexachlorocyclohexane (HCH), a chlorinated cyclanic derivative. Classifies under HTS 2903.89.31.00 despite six chlorines, as it's chlorinated-only substitution. Used in pharmaceutical scabicides.

Duty Rate — China → United States

18%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Calculate with your customs value Verify classification with AI

Import Tips

• Specify gamma isomer (>99%) to distinguish from technical HCH mixtures

• Include FDA drug master file for pharmaceutical grade specifications

• Comply with veterinary drug residue limits for animal treatment imports