Methyl Chloride Calibration Gas Mixture 1,000 ppm from Germany
Certified calibration gas containing 1,000 ppm chloromethane in nitrogen balance for environmental monitoring equipment. While a mixture, the chloromethane component drives classification under HTS 2903.11.00 per chapter notes allowing certain dissolved/prepared forms. Supplied in 17L steel cylinders.
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
• Provide NIST-traceable certificates of analysis confirming exact concentration
• Classify cylinders as UN1956 compressed gas with proper valve protection
• Distinguish from Chapter 38 mixtures by emphasizing principal compound purity