Chapter 28 · Inorganic chemicals · Section 6
HS Code 2836.91
Lithium carbonates
Heading 2836: Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate
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 2836.91
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 |
|---|---|---|---|---|---|
| 2836.91.00 |
Lithium carbonates 2 statistical lines (10-digit)
|
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 2836.91
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 | |
|---|---|---|
| 2836 91 00 | Lithium carbonates | EU duty (TARIC) → |
United Kingdom - commodity codes under 2836.91
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 | |
|---|---|---|
| 2836 91 00 00 | Lithium carbonates | UK duty & VAT → |
| 2836 91 00 20 | Lithium carbonate, containing one or more of the following impurities at the concentrations indicated:<br> <br><br><br>- 2 mg/kg or more of arsenic,<br> <br><br><br>- 200 mg/kg or more of calcium,<br> <br><br><br>- 200 mg/kg or more of chlorides,<br> <br><br><br>- 20 mg/kg or more of iron,<br> <br><br><br>- 150 mg/kg or more of magnesium,<br> <br><br><br>- 20 mg/kg or more of heavy metals,<br> <br><br><br>- 300 mg/kg or more of potassium,<br> <br><br><br>- 300 mg/kg or more of sodium,<br> <br><br><br>- 200 mg/kg or more of sulphates,<br>determined according to the methods specified in the European Pharmacopœia | UK duty & VAT → |
| 2836 91 00 90 | Other | UK duty & VAT → |
Nearby codes in heading 2836
The subheadings immediately before and after 2836.91 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 2836.91.
What is HS code 2836.91?
HS code 2836.91 covers: Lithium carbonates. It belongs to chapter 28 (Inorganic chemicals) of the Harmonized System.
What is the US import duty for HS code 2836.91?
The US general (normal trade relations) rate is: 3.7%. 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 2836.91?
The UK extends 2836.91 to 3 declarable 10-digit commodity codes, starting with 2836910000. The full code goes on the UK customs declaration.