2903.89.31.00/Endosulfan Isomer Mixture/Japan

Endosulfan Isomer Mixture from Japan

Endosulfan consists of alpha and beta isomers, chlorinated derivatives of cyclanic hydrocarbons used as insecticides. Classified under HTS 2903.89.31.00 for its chlorinated cyclodiene structure without other halogens. Restricted due to environmental persistence concerns.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Verify compliance with international bans; many countries prohibit endosulfan imports

• Include GC-MS analysis confirming isomer ratio and absence of other halogens

• Declare as technical material, not formulated product, to avoid Chapter 38 reclassification