Dichlorodifluoromethane CFC-12 Lab Grade from Canada
Laboratory-grade dichlorodifluoromethane (CFC-12) at 99.99% purity for analytical and research applications, specifically classified under HTS 2903.77.0050 as a perfluorinated/perchlorinated acyclic hydrocarbon derivative. Used as calibration standard in gas chromatography for environmental monitoring. Pure form without solvents meets chapter 29(a) criteria.
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
• Provide NIST-traceable certificates of analysis for research import exemptions
• Small quantities (<1kg) may qualify for simplified documentation under lab use
• Segregate from production imports to avoid HCFC quota restrictions