Research Grade CFC-114 for Atmospheric Studies from Canada
High-purity CFC-114 for scientific research on stratospheric ozone is classified under HTS 2903.77.00.30 as a halogenated derivative of acyclic hydrocarbons. Chapter 29 notes support classification of pure organic compounds for lab use.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include university/government research letters to expedite customs review
• Declare small quantities (<1kg) for lab use to minimize scrutiny
• Avoid solvent dilutions beyond note (e) transport allowances