HTS heading
2835Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined:
Rates as published in 2026 HTS Revision 15, captured 2026-08-13. Source: USITC Harmonized Tariff Schedule.
Current duty rates (12 lines)
| Code | Description | General | Special | Column 2 |
|---|---|---|---|---|
| 2835.10.00.00 | Phosphinates (hypophosphites) and phosphonates (phosphites) | 3.1% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% |
| 2835.22.00.00 | Of mono- or disodium | 1.4% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 6% |
| 2835.24.00.00 | Of potassium | 3.1% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% |
| 2835.25.00.00 | Calcium hydrogenorthophosphate ("Dicalcium phosphate") | Free | — | 25% |
| 2835.26.00.00 | Other phosphates of calcium | Free | — | 25% |
| 2835.29.10.00 | Of aluminum | Free | — | 25% |
| 2835.29.20.00 | Of triammonium | 1.5% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 8.5% |
| 2835.29.30.00 | Of trisodium | 2.2% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 11.5% |
| 2835.29.51.00 | Other | 4.1% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% |
| 2835.31.00.00 | Sodium triphosphate (Sodium tripolyphosphate) | 1.4% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 6% |
| 2835.39.10.00 | Of potassium | 3.1% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% |
| 2835.39.50.00 | Other | 3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% |
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