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HTS 2811.12.00.00
Other inorganic acids, Hydrogen cyanide (hydrocyanic acid)
Description
2811 Other inorganic acids and other inorganic oxygen compounds of nonmetals > Other inorganic acids > Hydrogen cyanide (hydrocyanic acid)
| General duty (most countries) | 4.2% |
|---|---|
| Trade-deal rates | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) |
| Column 2 (Cuba, North Korea, Russia, Belarus) | 25% |
| 6-digit HS code (international) | 2811.12 |
Estimated US duty by country of origin
Base rate plus the additional tariffs that apply today (China Section 301, the 2026 country tariff). Steel, aluminium and some other goods can owe more.
| Made in | Estimated duty | Made up of |
|---|---|---|
| China | 41.7% | 4.2% base · +25% China Section 301 List 3 · +12.5% 2026 country tariff |
| Vietnam | 16.7% | 4.2% base · +12.5% 2026 country tariff |
| India | 14.2% | 4.2% base · +10% 2026 country tariff |
| Bangladesh | 14.2% | 4.2% base · +10% 2026 country tariff |
| Pakistan | 14.2% | 4.2% base · +10% 2026 country tariff |
| Türkiye | 16.7% | 4.2% base · +12.5% 2026 country tariff |
| Mexico | 14.2% | 4.2% base · +10% 2026 country tariff Free under USMCA if the product qualifies |
| Canada | 14.2% | 4.2% base · +10% 2026 country tariff Free under USMCA if the product qualifies |
| United Kingdom | 14.2% | 4.2% base · +10% 2026 country tariff |
| Germany | 10% | 4.2% base · +5.8% 2026 country tariff (total at least 10%) |
| Italy | 10% | 4.2% base · +5.8% 2026 country tariff (total at least 10%) |
| Taiwan | 10% | 4.2% base · +5.8% 2026 country tariff (total at least 10%) |
| Japan | 12.5% | 4.2% base · +8.3% 2026 country tariff (total at least 12.5%) |
| South Korea | 12.5% | 4.2% base · +8.3% 2026 country tariff (total at least 12.5%) Free under US–Korea FTA if the product qualifies |
| Thailand | 16.7% | 4.2% base · +12.5% 2026 country tariff |
| Indonesia | 14.2% | 4.2% base · +10% 2026 country tariff |
Other codes under heading 2811
- 2811.11.00.00 · FreeOther inorganic acids > Hydrogen fluoride (Hydrofluoric acid)
- 2811.19.10.00 · 2.3%Other inorganic acids > Other > Arsenic acid
- 2811.19.30.00 · FreeOther inorganic acids > Other > Hydrobromic acid
- 2811.19.61.10 · 4.2%Other inorganic acids > Other > Other > Sulfamic acid
- 2811.19.61.90 · 4.2%Other inorganic acids > Other > Other > Other
- 2811.21.00.00 · 3.7%Other inorganic oxygen compounds of nonmetals > Carbon dioxide
- 2811.22.10.00 · 3.7%Other inorganic oxygen compounds of nonmetals > Silicon dioxide > Synthetic silica gel
- 2811.22.50.00 · FreeOther inorganic oxygen compounds of nonmetals > Silicon dioxide > Other
- 2811.29.10.00 · FreeOther inorganic oxygen compounds of nonmetals > Other > Arsenic trioxide
- 2811.29.20.00 · FreeOther inorganic oxygen compounds of nonmetals > Other > Selenium dioxide
- 2811.29.30.00 · 4.2%Other inorganic oxygen compounds of nonmetals > Other > Sulfur dioxide
- 2811.29.50.00 · 3.7%Other inorganic oxygen compounds of nonmetals > Other > Other
Official US Harmonized Tariff Schedule, version of 2026-11-03.