Vinyltriethoxysilane from Germany
Although silicones often classified elsewhere, vinyltriethoxysilane with Si-C vinyl bond qualifies as organo-inorganic under 2931.90.90 when imported as pure compound. Silane coupling agent for composites; chapter notes distinguish from polymers.
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
• Flammable liquid UN1993; distillation residue documentation often required
• Common misclassification to 3910 silicone oils—prove monomer status with GC analysis
• REACH Annex XVII restrictions apply to certain silanes