2931.90.90.10/Vinyltrimethoxysilane/Japan

Vinyltrimethoxysilane from Japan

Vinyltrimethoxysilane (CH2=CHSi(OCH3)3) is a coupling agent used in composite materials and adhesives. As a chemically defined organo-silicon compound, it belongs to HTS 2931.90.90.10.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Calculate with your customs value Verify classification with AI

Import Tips

• Specify application (e.g

• 'adhesion promoter') but maintain chemical compound focus for classification

• Hydrolyzable groups require stability data under Chapter 29 solvent notes