# HTS 2804: Hydrogen, rare gases and other nonmetals:

https://geopax.app/tariffs/catalog/28/2804

Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=2804). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 2804: Hydrogen, rare gases and other nonmetals:

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 2804 | Hydrogen, rare gases and other nonmetals: |  |  |  |  |
| 2804.10.00.00 |   Hydrogen | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | thousand m3 |
|  |   Rare gases: |  |  |  |  |
| 2804.21.00.00 |     Argon | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | thousand m3 |
| 2804.29.00 |     Other | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% |  |
| 2804.29.00.10 |       Helium | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | thousand m3 |
| 2804.29.00.20 |       Neon | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | thousand m3 |
| 2804.29.00.30 |       Isotopically pure rare gases having a purity of 99 percent or more by volume | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | thousand m3 |
| 2804.29.00.55 |       Other | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | thousand m3 |
| 2804.30.00.00 |   Nitrogen | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | thousand m3 |
| 2804.40.00.00 |   Oxygen | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | thousand m3 |
| 2804.50.00 |   Boron; tellurium | Free |  | 25% |  |
| 2804.50.00.10 |     Boron | Free |  | 25% | kg |
| 2804.50.00.20 |     Tellurium | Free |  | 25% | kg |
|  |   Silicon: |  |  |  |  |
| 2804.61.00.00 |     Containing by weight not less than 99.99 percent of silicon | Free |  | 25% | kg |
| 2804.69 |     Other: |  |  |  |  |
| 2804.69.10.00 |       Containing by weight less than 99.99 percent but not less than 99 percent of silicon | 5.3% | Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 21% | kg, Si kg |
| 2804.69.50.00 |       Other | 5.5% | Free (A+,AU,BH,CL,CO,E,IL, JO,KR,MA, OM,P,PA,PE,S,SG) | 45% | kg, Si kg |
| 2804.70.00.00 |   Phosphorus | Free |  | 17.6¢/kg | kg |
| 2804.80.00.00 |   Arsenic | Free |  | 13.2¢/kg | kg |
| 2804.90.00.00 |   Selenium | Free |  | Free | kg |