DuPont Vertrel XF HCFC-142b Specialty Fluid from Canada
Vertrel XF is a high-purity HCFC-142b formulation (1-chloro-1,1-difluoroethane) used as precision cleaning solvent in electronics manufacturing. Classified under HTS 2903.74.01.00 when imported as ≥99% pure chemical compound. Distinguish from formulated solvent blends.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Pure Vertrel XF qualifies as Chapter 29; blends with co-solvents move to 3814.00
• Non-flammable certification required for air shipment under IATA regulations
• Verify no alcohol content (>0.1%) to avoid ester classification issues per Chapter notes