Trichlorotrifluoroethane Calibration Standard from Germany
Certified reference material of CFC-113 in solvent matrix for gas chromatography calibration. The pure trichlorotrifluoroethane component classifies under HTS 2903.77.00.20 as a chemically defined perhalogenated compound. Diluted forms remain classified to the active compound per Chapter 29 note (d).
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify concentration and matrix solvent on invoice; remains classified to CFC if meeting chapter note (d)
• Include NIST traceability certificate for laboratory standards
• Declare as 'chemical reference standard' not 'refrigerant' to avoid regulatory confusion