Liquefied Butylene Gas from Mexico
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 — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
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