HTS Code · Heading 2931 · Organic Chemicals
N,N'-Bis(trimethylsilyl) urea; 3-(Hydroxymethylphosphinyl)-1-propanoic acid, 2-hydroxyethyl ester; and 2-Phosphonobutane-1,2,4-tricarboxylic acid and its salts
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% |