2903.89.31.00/Heptachlor Pure Isomer/China

Heptachlor Pure Isomer from China

Heptachlor features seven chlorine atoms on cyclodiene ring system, pure isomer for chemical synthesis. Classified HTS 2903.89.31.00 as chlorinated cyclanic derivative without other halogens. Precursor to heptachlor epoxide.

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

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Import Tips

• Verify single isomer purity via HPLC to distinguish from technical mixtures

• Include transformation data to epoxide metabolite for safety documentation

• Limit import quantities due to Restricted Use Pesticide status