HTSBase
HTSUS, United States

2825.50.10.00

Copper oxides and hydroxides / Cupric oxide

Classification path

  1. Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides
  2. Copper oxides and hydroxides
  3. Cupric oxide

Rates of duty

General (MFN)
4.3%
Column 2Cuba, North Korea, Russia, Belarus
31%
Unit of quantity
kg

Trade agreement rates

FreeGSP (lapsed since Dec 31, 2020), U.S.-Australia FTA, U.S.-Bahrain FTA, U.S.-Chile FTA, U.S.-Colombia TPA, AGOA (authorized through Dec 31, 2026), E, U.S.-Israel FTA, U.S.-Jordan FTA, U.S.-Korea FTA, U.S.-Morocco FTA, U.S.-Oman FTA, CAFTA-DR, U.S.-Panama TPA, U.S.-Peru TPA, USMCA, U.S.-Singapore FTA

Related lines in heading 2825

About heading 2825

Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides

Heading 2825 covers hydrazine, hydroxylamine and their inorganic salts, plus a range of inorganic bases and metal oxides, hydroxides and peroxides not provided for in other headings. The heading is split first by the specific metal or compound, with separate lines for lithium, vanadium, nickel, copper, germanium and zirconium, molybdenum, antimony and beryllium. Compounds not named in the earlier subheadings fall to the residual Other lines at the end of the heading.

Full guide to heading 2825

Products in this heading

  • Hydrazine and its inorganic salts
  • Lithium hydroxide for battery and industrial use
  • Vanadium pentoxide (vanadium anhydride)
  • Nickel oxide and nickel hydroxide
  • Cuprous oxide and cupric oxide powders
  • Zirconium dioxide
  • Molybdenum trioxide
  • Antimony oxide

Frequently asked questions

What is the HTS code for vanadium pentoxide?

Vanadium pentoxide (anhydride) is classified under 2825.30.00.10. The general (MFN) duty rate is 5.5%.

What is the duty on nickel oxide and nickel hydroxide?

Nickel oxides and hydroxides fall under 2825.40.00.00. The general (MFN) duty rate is Free.

How do I classify copper oxides and copper hydroxides?

Cupric oxide goes to 2825.50.10.00 at a general (MFN) rate of 4.3%, cuprous oxide goes to 2825.50.20.00 at 5%, and copper hydroxides go to 2825.50.30.00 at 3.9%.

Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.

HTS 2825.50.10.00: Copper oxides and hydroxides / Cupric oxide, 4.3% duty | HTSBase