1-Chloro-1,1-Difluoroethane (HCFC-142b) Technical Grade from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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