1-Chloro-1,1-Difluoroethane (HCFC-142b) Technical Grade from China
Technical grade HCFC-142b (CAS 75-68-3) is a high-purity chlorodifluoroethane used in industrial refrigeration and polyurethane foam production. Classified under HTS 2903.74.01.00 due to its chemical structure as an acyclic hydrocarbon with chlorine and fluorine halogens. Meets Chapter 29 criteria for separate chemically defined organic compounds.
Duty Rate — China → United States
38.7%
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
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)
Import Tips
• Provide certificate of analysis showing ≥99.9% purity to avoid reclassification as mixtures
• Check current HCFC production and consumption allowances via EPA's annual allocation program
• Label cylinders with UN number 2517 and 'Ozone Depleting Substance' warnings