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Code 2836 99 · Heading 2836

Other carbonates and peroxocarbonates, excluding specified carbonates and mercury compounds

This covers carbonates and peroxocarbonates other than ammonium, disodium, sodium hydrogen, potassium, calcium, barium, lead, lithium and strontium carbonates, and inorganic or organic mercury compounds. The next classification depends on whether the product is a magnesium or copper carbonate, another carbonate, or a peroxocarbonate.

For example

  • Magnesium carbonate
  • Copper carbonate
  • Zinc carbonate
See the official tariff text

Official tariff text

Carbonates and peroxocarbonates "percarbonates"; commercial ammonium carbonate containing ammonium carbamate (excl. disodium carbonate, sodium hydrogencarbonate "sodium bicarbonate", potassium carbonates, calcium carbonate, barium carbonate, lithium carbonates, strontium carbonate and inorganic or organic compounds of mercury)

How we got to this code

  1. VI
  2. 28
  3. 2836
  4. 2836 99
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Pick the description that best matches your product.

Import duty on the codes below: 3.7–5.5%

3 codes below this one

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Selling to Norway, Great Britain and the United States

What they charge on arrival.

Norway, Great Britain and the United States use their own tariff lines under the 6-digit HS code. The rates below are what their customs charge on goods arriving from the EU. Match the goods against each country's own wording before you rely on a rate.

Norway

Duty free

  • Their lines1 Norwegian line

28.36.9900 Other

Norwegian tariff data checked Sept. 13, 2026.

Great Britain

From 0.0% to 4.0%

  • Their lines4 British lines

2836 99 11 00 Of magnesium; of copper

Northern Ireland follows other rules.

UK tariff data checked Sept. 13, 2026.

United States

From 3.7% to 10.0%

Estimated from published US measures

  • Their lines6 US lines
  • Entry dateSept. 17, 2026

2836.99.10.00 Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate

The US importer of record files the entry.

US tariff data checked Sept. 16, 2026.

See the 1 Norwegian line

Selling to Norway

Norway splits the 6-digit category its own way, so these are Norway's own lines under it, not this EU code. Check your product against their wording; what Norwegian customs charges is shown per line.

  • 28.36.9900

    Other

    Ordinary duty
    Duty free

Norwegian tariff data version 1.5/1.2, last checked Sept. 13, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

See the 4 British lines

Selling to Great Britain

What UK customs charges when goods like these arrive in Great Britain.

  • 2836 99 11 00

    Of magnesium; of copper

    Ordinary duty
    Duty free

  • 2836 99 17 30

    Zirconium (IV) basic carbonate (CAS RN 57219-64-4 or 37356-18-6) with a purity by weight of 96 % or more

    Ordinary duty
    4.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2836 99 17 80

    Other

    Ordinary duty
    4.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2836 99 90 00

    Peroxocarbonates (percarbonates)

    Ordinary duty
    4.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

These rates apply in Great Britain. Different rules may apply for goods entering Northern Ireland.

UK tariff data version v4.0.1599, last checked Sept. 13, 2026.

Contains public sector information licensed under the Open Government Licence v3.0.

Source: UK Department for Business and Trade (data.api.trade.gov.uk).

See the 6 US lines

Selling to the United States

What US customs charges when goods like these arrive from the EU. The US importer of record files the entry and pays the duty.

  • 2836.99.10.00

    Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate, Other, Cobalt carbonates

    General rate
    4.2%
    From the EU
    4.2% Estimated from published US measures US headings applied: 9903.05.86 U.S. note 52(b) to subchapter III of chapter 99, 91 FR 47318: as provided in heading 9903.05.86, the duties imposed by headings 9903.05.20 through 9903.05.84 shall not apply to articles classifiable in the listed provisions

  • 2836.99.20.00

    Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate, Other, Bismuth carbonate

    General rate
    5.5%
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 2836.99.30.00

    Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate, Other, Commercial ammonium carbonate and other ammonium carbonates

    General rate
    1.7%
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 2836.99.40.00

    Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate, Other, Lead carbonates

    General rate
    0.5%
    From the EU
    10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

  • 2836.99.50.10

    Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate, Other, Zirconium carbonates

    General rate
    3.7%
    From the EU
    3.7% Estimated from published US measures US headings applied: 9903.05.86 U.S. note 52(b) to subchapter III of chapter 99, 91 FR 47318: as provided in heading 9903.05.86, the duties imposed by headings 9903.05.20 through 9903.05.84 shall not apply to articles classifiable in the listed provisions

  • 2836.99.50.50

    Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate, Other

    General rate
    3.7%
    From the EU
    3.7% Estimated from published US measures US headings applied: 9903.05.86 U.S. note 52(b) to subchapter III of chapter 99, 91 FR 47318: as provided in heading 9903.05.86, the duties imposed by headings 9903.05.20 through 9903.05.84 shall not apply to articles classifiable in the listed provisions

Worked out for an entry on Sept. 17, 2026.

US tariff schedule 2026HTSRev19, last checked Sept. 16, 2026.

Last change we recorded: Revision 19 (2026), Sept. 16, 2026.

Anti-dumping and countervailing duties, US import taxes and customs fees are not included.

The descriptions above are the US tariff texts, which the United States publishes in English only.

Source: the US International Trade Commission's Harmonized Tariff Schedule (hts.usitc.gov), public domain, and the measures published in the Federal Register.

This is a planning estimate from the US Harmonized Tariff Schedule (revision shown) and the published Federal Register measures as of the date shown, for a shipment of EU origin. It is not a customs entry, legal advice or a broker's opinion, and tariffs.help is not a US-licensed customs broker. The US importer of record or their broker confirms the classification, origin, value and the duty due before filing.

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with Toldstyrelsen, TARIC, Norwegian Customs or the UK Online Trade Tariff before you file. The rate you pay can also depend on the country of origin. These are base customs duties only: import VAT, excise duties, anti-dumping duties and safeguard or quota measures are not included.