Liquefied Butylene Gas from China
Liquefied butylene (butene) is a liquefied C4 olefin gas used in the production of synthetic rubbers and plastics. It is categorized under HTS 2711.19.00.20 for other liquefied petroleum gases and gaseous hydrocarbons. This subheading covers unsaturated gases like butylene not fitting butane or natural gas definitions.
Duty Rate — China → United States
25%
Rate breakdown
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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide distillation and calorific value tests to distinguish from butanes under 2711.13
• Use UN-approved pressure vessels; declare pressure and temperature conditions accurately
• Monitor for seasonal demand fluctuations affecting bonding and storage requirements