HTS 2833
Sulfates; alums; peroxosulfates (persulfates)
| Code | Description | Unit | General | Special | Column 2 | Source |
|---|---|---|---|---|---|---|
| Sodium sulfates | ||||||
| 2833.11 | Disodium sulfate | USITC | ||||
| 2833.11.10.00 | Salt cake | t | Free | Free | USITC | |
| 2833.11.50 | Other | 0.4% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 3.6% | USITC | |
| 2833.11.50.10 | Anhydrous | t | 0.4% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 3.6% | USITC |
| 2833.11.50.50 | Other | t | 0.4% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 3.6% | USITC |
| 2833.19.00.00 | Other | kg | Free | Free | USITC | |
| Other sulfates | ||||||
| 2833.21.00.00 | Of magnesium | kg | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 20% | USITC |
| 2833.22.00.00 | Of aluminum | kg | Free | 10% | USITC | |
| 2833.24.00.00 | Of nickel | kg | 3.2% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | USITC |
| 2833.25.00.00 | Of copper | kg, Cu kg | 1.4% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 5% | USITC |
| 2833.27.00.00 | Of barium | kg | 0.6% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 4.2% | USITC |
| 2833.29 | Other | USITC | ||||
| 2833.29.10.00 | Of cobalt | kg | 1.4% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 6.5% | USITC |
| 2833.29.20.00 | Of iron | kg | Free | Free | USITC | |
| 2833.29.30.00 | Of vanadium | kg, V kg | 5.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 40% | USITC |
| 2833.29.40.00 | Of chromium | kg | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | USITC |
| 2833.29.45.00 | Of zinc | kg | 1.6% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 8% | USITC |
| 2833.29.51 | Other | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 30% | USITC | |
| 2833.29.51.10 | Of manganese | kg | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 30% | USITC |
| 2833.29.51.90 | Other | kg | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,K,KR,MA,OM,P,PA,PE,S,SG) | 30% | USITC |
| 2833.30.00.00 | Alums | kg | 1.6% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | USITC |
| 2833.40 | Peroxosulfates (persulfates) | USITC | ||||
| 2833.40.20.00 | Of sodium | kg | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | USITC |
| 2833.40.60 | Other | 3.1% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | USITC | |
| 2833.40.60.10 | Of potassium | kg | 3.1% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | USITC |
| 2833.40.60.20 | Of ammonium | kg | 3.1% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | USITC |
| 2833.40.60.50 | Other | kg | 3.1% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | USITC |
The table scrolls sideways.
Source: USITC, Harmonized Tariff Schedule of the United States – 2026 HTS Revision 20, effective 28 September 2026. Heading 2833 at USITC
Not shown: the additional duties of Chapter 99 (such as Section 301 and Section 232), anti-dumping and countervailing duties, quotas and the legal notes.
This page is general information, not legal advice and not a classification decision. Tariff texts and rates change: check the publisher's current schedule, and ask the customs authority for a binding ruling where the answer matters.