Code 2830 90 · Heading 2830

Other sulfides and polysulfides, excluding sodium, zinc, cadmium and mercury compounds

This code covers sulfides other than sodium sulfides, zinc sulfide and cadmium sulfides, as well as polysulfides, including those that are not chemically defined. It does not cover inorganic or organic compounds of mercury.

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See the official tariff text

Official tariff text

Sulphides (excl. sodium); polysulphides, whether or not chemically defined (excl. inorganic or organic compounds of mercury whether or not chemically defined)

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 2830 Sulphides; polysulphides, whether or not chemically… 30 of 50 headings under chapter 28
Are the goods sodium sulfides?
✓
Step 4 · Subheading 2830 90 Sulphides (excl. sodium); polysulphides, whether or… 2 of 2 subheadings under heading 2830
Is it a sulfide of calcium, antimony or iron?

Full 8-digit codes

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2 codes below this one

Compare the sibling codes

2830 10 Sodium sulphides 5.5%
2830 90 Sulphides (excl. sodium); polysulphides, whether or not chemically defined (excl. inorganic or organic compounds of mercury whether or not chemically defined) you are here 4.6–5.5%

Export to Norway

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

28.30.9000

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 2 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 2 codes at this level

Previous code 2830 10

Sodium sulphides

you are here 2830 90

Sulphides (excl. sodium); polysulphides, whether or not chemically de…

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.