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
43%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 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