2910.90.20.00/Naphthalene Epoxyether/Japan

Naphthalene Epoxyether from Japan

This fused-ring aromatic system bears a three-membered epoxide functionality, qualifying under HTS 2910.90.20.00. Primarily used as a reactive monomer in specialty photoresist formulations and optical materials.

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

• Include HPLC chromatogram showing naphthalene substitution pattern

• TSCA inventory verification required for condensed ring aromatic epoxides

• Ship under temperature control (<30°C) to prevent polymerization