Chapter 28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes

HTS heading 2825: Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides

24 numbered lines under heading 2825, including 19 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.

HTS heading 2825
HTS codeDescriptionUnitGeneralSpecialColumn 2
2825Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides:
2825.10.00.00Hydrazine and hydroxylamine and their inorganic saltskg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
2825.20.00.00Lithium oxide and hydroxidekg3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
2825.30.00Vanadium oxides and hydroxides5.5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)40%
2825.30.00.10Vanadium pentoxide (anhydride)kg, V kg
2825.30.00.50Otherkg, V kg
2825.40.00.00Nickel oxides and hydroxideskgFreeFree
2825.50Copper oxides and hydroxides:
2825.50.10.00Cupric oxidekg4.3%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)31%
2825.50.20.00Cuprous oxidekg5%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)39.5%
2825.50.30.00Copper hydroxideskg3.9%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)32.5%
2825.60.00Germanium oxides and zirconium dioxideNote: See 9903.90.08.3.7%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
2825.60.00.10Germanium dioxidekg
2825.60.00.20Zirconium dioxidekg
2825.60.00.50Otherkg
2825.70.00.00Molybdenum oxides and hydroxidesNote: See 9903.90.08.kg3.2%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)20.5%
2825.80.00.00Antimony oxideskgFree4.4¢/kg
2825.90Other:
2825.90.10.00Beryllium oxide and hydroxidekg3.7%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
2825.90.15.00Niobium oxideNote: See 9903.90.08.kg3.7%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
2825.90.20.00Tin oxideskg4.2%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
2825.90.30.00Tungsten oxideskg, W kg5.5%Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P, PA,PE,S,SG)45.5%
2825.90.75.00Cadmium oxidekgFree25%
2825.90.90.00OtherNote: See 9903.90.08.kg3.7%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%
V. SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS

Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.

Source: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.