New

Ask Wove anything about tariffs.

Try Tariff Assistant

Synthetic Cupric Oxide Crystals from Mexico

Laboratory-grown cupric oxide single crystals for optical and research applications. Qualifies under HTS 2825.50.10.00 as chemically defined, excluding cultured crystals >2.5g of certain halides per notes. Used in spectroscopy studies.

Duty Rate — Mexico → United States

14.3%

Rate breakdown

9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter

Import Tips

• Weigh crystals to confirm under exclusion thresholds; document growth method

• HTS ruling may be needed for crystal purity

• Handle as lab chemical with proper hazmat