Chapter 28 · Inorganic chemicals · Section 6
HS Code 2811.29
Other
Heading 2811: Other inorganic acids and other inorganic oxygen compounds of nonmetals
US HTS + UK Tariff v4.0.1633 · updated 2026-10-21 · sources
Rates on this page are the official published schedule rates, shown for information. This is not a customs ruling: preference programs, Section 232/301 surcharges and per-shipment fees can change what you actually pay.
United States - HTS lines under 2811.29
Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.
| HTS code | Description | General | Special | Other | Unit |
|---|---|---|---|---|---|
| 2811.29.10 |
Other > Arsenic trioxide |
Free | - | Free | kg |
| 2811.29.20 |
Other > Selenium dioxide |
Free | - | Free | kg |
| 2811.29.30 |
Other > Sulfur dioxide |
4.2% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
| 2811.29.50 |
Other > Other |
3.7% | Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) | 25% | kg |
Estimate the US duty runs in your browser · no caps
Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.
European Union - CN codes under 2811.29
Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.
| CN code | Description | |
|---|---|---|
| 2811 29 90 | Other | EU duty (TARIC) → |
| 2811 29 10 | Sulphur trioxide (sulphuric anhydride); diarsenic trioxide | EU duty (TARIC) → |
| 2811 29 30 | Nitrogen oxides | EU duty (TARIC) → |
| 2811 29 05 | Sulphur dioxide | EU duty (TARIC) → |
| 2811 29 00 | Other | EU duty (TARIC) → |
United Kingdom - commodity codes under 2811.29
Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.
| Commodity code | Description | |
|---|---|---|
| 2811 29 00 00 | Other | UK duty & VAT → |
| 2811 29 05 00 | Sulphur dioxide | UK duty & VAT → |
| 2811 29 10 00 | Sulphur trioxide (sulphuric anhydride); diarsenic trioxide | UK duty & VAT → |
| 2811 29 10 10 | Diarsenic trioxide (CAS RN 1327-53-3) | UK duty & VAT → |
| 2811 29 10 90 | Other | UK duty & VAT → |
| 2811 29 30 00 | Nitrogen oxides | UK duty & VAT → |
| 2811 29 90 00 | Other | UK duty & VAT → |
| 2811 29 90 10 | Tellurium dioxide (CAS RN 7446-07-3) | UK duty & VAT → |
| 2811 29 90 20 | Diarsenic pentaoxide (CAS RN 1303-28-2) | UK duty & VAT → |
| 2811 29 90 90 | Other | UK duty & VAT → |
Nearby codes in heading 2811
The subheadings immediately before and after 2811.29 in chapter 28.
Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.
Frequently asked questions
Common questions about HS code 2811.29.
What is HS code 2811.29?
HS code 2811.29 covers: Other. It belongs to chapter 28 (Inorganic chemicals) of the Harmonized System.
What is the US import duty for HS code 2811.29?
The US general (normal trade relations) rates under this subheading range: Free - 4.2%. Preference programs and Section 232/301 surcharges can change the effective rate; see the HTS lines for detail.
What is the UK commodity code for 2811.29?
The UK extends 2811.29 to 10 declarable 10-digit commodity codes, starting with 2811290000. The full code goes on the UK customs declaration.