Hexachlorobutadiene from Japan

Hexachlorobutadiene (C4Cl6) is a fully chlorinated saturated derivative of butadiene (acyclic). Classified in HTS 2903.19.60.50 as other saturated chlorinated acyclic hydrocarbons despite name suggesting unsaturation. Used as heat transfer fluid.

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

• Provide saturation confirmation via NMR spectrum if challenged

• Include end-use statement for heat transfer applications

• Comply with EPCRA reporting thresholds