Benzyltrichlorosilane from Germany
Silane coupling agent with benzyl (aromatic) group attached to silicon, used in surface modification. Classified HTS 2931.90.30.00 as aromatic organo-inorganic compound described in U.S. note 3. The aromatic Si-CH2Ph functionality defines its organo-inorganic status.
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 GC-MS data confirming benzyl aromatic substitution on silicon
• Moisture-sensitive; require inert atmosphere packaging and handling instructions
• Avoid Chapter 29 heading 2931.00 if aromatic content debated; emphasize phenylmethyl structure