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

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Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=2825). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

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

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 2825 | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides: |  |  |  |  |
| 2825.10.00.00 |   Hydrazine and hydroxylamine and their inorganic salts | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 2825.20.00.00 |   Lithium oxide and hydroxide | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 2825.30.00 |   Vanadium oxides and hydroxides | 5.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% |  |
| 2825.30.00.10 |     Vanadium pentoxide (anhydride) | 5.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | kg, V kg |
| 2825.30.00.50 |     Other | 5.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | kg, V kg |
| 2825.40.00.00 |   Nickel oxides and hydroxides | Free |  | Free | kg |
| 2825.50 |   Copper oxides and hydroxides: |  |  |  |  |
| 2825.50.10.00 |     Cupric oxide | 4.3% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 31% | kg |
| 2825.50.20.00 |     Cuprous oxide | 5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 39.5% | kg |
| 2825.50.30.00 |     Copper hydroxides | 3.9% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 32.5% | kg |
| 2825.60.00 |   Germanium oxides and zirconium dioxide | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% |  |
| 2825.60.00.10 |     Germanium dioxide | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 2825.60.00.20 |     Zirconium dioxide | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 2825.60.00.50 |     Other | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 2825.70.00.00 |   Molybdenum oxides and hydroxides | 3.2% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20.5% | kg |
| 2825.80.00.00 |   Antimony oxides | Free |  | 4.4¢/kg | kg |
| 2825.90 |   Other: |  |  |  |  |
| 2825.90.10.00 |     Beryllium oxide and hydroxide | 3.7% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 2825.90.15.00 |     Niobium oxide | 3.7% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 2825.90.20.00 |     Tin oxides | 4.2% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 2825.90.30.00 |     Tungsten oxides | 5.5% | Free (A+,AU,BH,CL,CO,D,E,IL, JO,KR,MA, OM,P, PA,PE,S,SG) | 45.5% | kg, W kg |
| 2825.90.75.00 |     Cadmium oxide | Free |  | 25% | kg |
| 2825.90.90.00 |     Other | 3.7% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
|  |   V. SALTS AND PEROXYSALTS, OF INORGANIC ACIDS AND METALS |  |  |  |  |