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

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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)

The path to this code

Every code is reached through these choices, one level at a time.

Step 4 of 4

Step 1 · Section VI Products of the chemical or allied industries
Is it an inorganic or organic chemical; a pharmaceutical product; a fertilizer; a tanning or dye extract, pigment, paint, varnish, filler or printing ink; an essential oil, perfume, cosmetic or toilet product; soap, a surface-active, washing, cleaning, polishing or wax product; a protein, modified starch, glue or enzyme; an explosive, pyrotechnic article, match or other specified combustible material; a photographic or cinematographic product; or another chemical product?
✓
Step 2 · Chapter 28 Inorganic chemicals; organic or inorganic compounds… 1 of 11 chapters in section VI
Which named chemical or chemical family best describes the product—for example a metal, acid, oxide, salt, isotope, compound or another substance listed under this category?
✓
Step 3 · Heading 2836 Carbonates; peroxocarbonates "percarbonates"; comme… 36 of 50 headings under chapter 28
Is it disodium carbonate, sodium hydrogencarbonate, potassium carbonate, calcium carbonate, barium carbonate, lithium carbonate, strontium carbonate, or another carbonate or peroxocarbonate?
✓
Step 4 · Subheading 2836 99 Carbonates and peroxocarbonates "percarbonates"; co… 8 of 8 subheadings under heading 2836
Is it a magnesium or copper carbonate, another carbonate, or a peroxocarbonate?

Full 8-digit codes

Pick the description that best matches your product.

3 codes below this one

Compare the sibling codes

2836 20 Disodium carbonate 5.5%
2836 30 Sodium hydrogencarbonate "sodium bicarbonate" 5.5%
2836 40 Potassium carbonates 5.5%
2836 50 Calcium carbonate 5.0%
2836 60 Barium carbonate 5.5%
2836 91 Lithium carbonates 5.5%
2836 92 Strontium carbonate 5.5%
2836 99 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) you are here 3.7–5.5%

Export to Norway

What Norwegian customs charges when goods like these are imported into Norway.

28.36.9900

Other

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU origin to use this rate.

Norwegian tariff data version 1.5/1.2, last checked Aug. 3, 2026.

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

Export to the United Kingdom

What UK customs charges when goods like these are imported into the UK.

2836 99 11 00

Of magnesium; of copper

Ordinary duty

Duty free

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
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 v4.0.1576, last checked Aug. 3, 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).

Check the neighbouring codes

The codes just before and after this one, in case a nearby group fits better.

See all 8 codes at this level

Previous code 2836 92

Strontium carbonate

you are here 2836 99

Carbonates and peroxocarbonates "percarbonates"; commercial ammonium …

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with SKAT, 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.