Code 2833 29 · Heading 2833

Sulfates other than sodium, magnesium, aluminium, nickel, copper, barium and mercury sulfates

This code covers sulfates that are not sodium, magnesium, aluminium, nickel, copper, barium or mercury sulfates. It includes the separately listed sulfates of cadmium, chromium, zinc, cobalt, titanium and lead.

For example

Cadmium sulfate
Chromium sulfate
Cobalt sulfate
Lead sulfate

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See the official tariff text

Official tariff text

Sulphates (excl. of sodium, magnesium, aluminium, nickel, copper, barium and 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 2833 Sulphates; alums; peroxosulphates "persulphates" 33 of 50 headings under chapter 28
Is it disodium sulfate; another sodium sulfate; magnesium, aluminium, nickel, copper or barium sulfate; another sulfate except sulfates of sodium, magnesium, aluminium, nickel, copper, barium and mercury; an alum; or a persulfate?
✓
Step 4 · Subheading 2833 29 Sulphates (excl. of sodium, magnesium, aluminium, n… 8 of 10 subheadings under heading 2833
Is it a sulfate of cadmium, chromium or zinc; a sulfate of cobalt or titanium; a lead sulfate; or another sulfate not covered by the listed exclusions?

Full 8-digit codes

Pick the description that best matches your product.

4 codes below this one

Compare the sibling codes

Classification decides the rate here: from 3.2% to 5.5%.

2833 11 Disodium sulphate 5.5%
2833 19 Sodium sulphates (excl. disodium) 5.5%
2833 21 Sulphate of magnesium 5.5%
2833 22 Sulphate of aluminium 5.5%
2833 24 Sulphates of nickel 5.0%
2833 25 Sulphates of copper 3.2%
2833 27 Sulphate of barium 5.5%
2833 29 Sulphates (excl. of sodium, magnesium, aluminium, nickel, copper, barium and mercury) you are here 4.6–5.5%
2833 30 Alums 5.5%
2833 40 Peroxosulphates "persulphates" 5.5%

Export to Norway

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

28.33.2900

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. 9, 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.

All 6 UK lines under this code

They all have the same duty rates shown here.

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. 9, 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 10 codes at this level

Previous code 2833 27

Sulphate of barium

you are here 2833 29

Sulphates (excl. of sodium, magnesium, aluminium, nickel, copper, bar…

Next code 2833 30

Alums

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.