HTS Code · Heading 2931 · Organic Chemicals
[O-2-(Dialkyl (methyl, ethyl, n-propyl or isopropyl) amino)ethyl] hydrogen alkyl (methyl, ethyl, n-propyl or isopropyl) phosphonites and their O-alkyl (≤C10, including cycloalkyl) esters; alkylated or protonated salts thereof
Estimated Total Duty
35% from China
Free MFN base + 25% 301 + 10% S122. Stacked per the centralized 2026 program snapshot.
| Origin | MFN Base | Stacked Programs | Est. Total |
|---|---|---|---|
| China | Free | 301 +25%S122 +10% | 35% |
| Mexico (USMCA) | Free | None | 0% |
| Canada (USMCA) | Free | None | 0% |
| Vietnam | Free | S122 +10% | 10% |
| Germany (EU) | Free | S122 +10% | 10% |
| India | Free | S122 +10% | 10% |
| South Korea | Free | S122 +10% | 10% |