Hexachlorobutadiene from China

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 — China → United States

40.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Import Tips

Provide saturation confirmation via NMR spectrum if challenged

Include end-use statement for heat transfer applications

Comply with EPCRA reporting thresholds