Customs code · HS subheading 2842 90

Final code reached

Other salts of inorganic acids or peroxoacids, not elsewhere specified

This is a complete 8-digit customs code. Exports and Intrastat use it as it is. For an import into the EU, pick a 10-digit line below.

This code covers salts of inorganic acids or peroxoacids that are not elsewhere specified. The supplied tariff tree excludes oxometal or peroxometal salts, double or complex silicates including aluminosilicates, azides, mercury compounds, selenium or tellurium acid salts, and lithium iron phosphate.

See the official tariff text

Official tariff text

Salts of inorganic acids or peroxoacids, n.e.s.

You are seeing what applies when you export from the EU. Switch above if you import.

You are seeing what applies when you import into the EU. Switch above if you export.

Your answer for export

The full EU export code is 2842 90 70.

You do not pick a 10-digit EU import line for an export declaration or Intrastat. The destination classifies the goods under its own tariff.

8 digits, ready

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

28.42.9000 Other

Norwegian tariff data checked Sept. 13, 2026.

Great Britain

Duty free

Their lines5 British lines

2842 90 70 20 Potassium peroxymonosulphate sulphate

Northern Ireland follows other rules.

UK tariff data checked Sept. 13, 2026.

United States

10.0%

Estimated from published US measures

Their lines3 US lines
Entry dateSept. 17, 2026

2842.90.10.00 Other salts of inorganic acids or peroxoacids

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.

28.42.9000

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 5 British lines

Selling to Great Britain

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

All 5 UK lines under this code

They all have the same duty rates shown here.

Ordinary duty

Duty free

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 3 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.

2842.90.10.00

Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides, Other, Fulminates, cyanates and thiocyanates

General rate

3.1%

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
2842.90.90.10

Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides, Other, Selenides and tellurides

General rate

3.3%

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
2842.90.90.50

Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides, Other

General rate

3.3%

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

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.

Before you use the code

Check the facts that sit outside the code

The code can be right while what you pay still changes, because of where the goods come from, when they arrive, or extra EU measures.

Classify your own product, free Look up the current rates and rules

The product and its form Check that your product really matches this description, including what it is made of and the form it arrives in.
Country of origin Trade agreements, sanctions and extra measures can change the treatment of the very same code.
Current tariff measures Check today's rate, any restrictions or licences, and the quantity customs asks for, with Toldstyrelsen or TARIC.

What to do now for an import

The code is settled. What is left is the import declaration around it.

Choose the 10-digit import line Find the EU wording that matches the goods, and read the whole line before you pick it. 5 options Go to this section
Check the possible extra duty first Trade-defence measures are recorded here. Whether one applies depends on where the goods come from and who made them. Go to this section
State the country of origin: it decides the rate, sanctions and documents The same code can be charged and treated differently depending on where the goods were made.
Check today's requirements in TARIC Rates, quotas and document requirements change. The EU's own database is the current source. Open the EU TARIC database

Check it before you file This is a suggestion, please verify it against your own product.

On an EU import declaration

Pick the 10-digit line that matches the goods.

5 import lines

When these goods are imported into the EU, the declaration needs a 10-digit code. Under 2842 90 70 the EU tariff has 5 lines, each with its own wording.

You or your customs agent pick the line whose wording fits the goods; the last line, "Other", covers what none of the specific wordings describe.

Match the whole wording A line is its own wording plus the grouping text above it. Read both before you settle on one.

2842 90 70 20

Potassium peroxymonosulphate sulphate

5.5%

This line in the EU tariff Rulings on this line
2842 90 70 40

Lead chromate molybdate sulphate red (C.I. Pigment Red 104) (CAS RN 12656-85-8)

5.5%

This line in the EU tariff Rulings on this line
2842 90 70 50

Lead sulfochromate yellow (C.I. Pigment Yellow 34) (CAS RN 1344-37-2)

5.5%

This line in the EU tariff Rulings on this line
2842 90 70 60

Potassium hydroxyoctaoxodizincatedichromate (CAS RN 11103-86-9)

5.5%

This line in the EU tariff Rulings on this line
2842 90 70 80

Other

Duty free

This line in the EU tariff Rulings on this line

Exports from the EU and Intrastat normally use the 8-digit code as it is.

EU tariff data of Sept. 13, 2026.

This is the catch-all under 2842 90: it covers what the sibling codes below do not.

This is the remainder for salts of inorganic acids or peroxoacids that are not named by the sibling codes, although the supplied tree does not state the precise distinction between this code and sibling code 2842 90 80.

Rates, origin and documents

Read the signals first. Open only the ones you want to check.

Besides the ordinary duty, the EU records these kinds of measure against this code. They are listed as signals only: whether one applies to your goods can depend on where they come from, who produced them, the exact product and the documents you present. No amounts are worked out here.

Data of Sept. 1, 2026

Extra duty on goods from some countries

First

Trade-defence measures, such as anti-dumping duty, may apply to goods originating in:

China
any country except China
Türkiye

The duty depends on the producer or exporter, so two shipments of the same goods can be charged differently.

This is recorded on a more detailed code below this one, so it may not cover your goods. See the import lines under this code

Check this code in the official EU TARIC database

Lower duty for goods from some countries

Possible

Preferential rates exist for goods originating in:

Andorra
San Marino
Türkiye
European Union
Comoros (excluding Mayotte), Madagascar, Mauritius, Seychelles and dependencies and Zimbabwe
Botswana, Eswatini, Lesotho, Mozambique and Namibia
Western Sahara
European Union, Iceland, Liechtenstein and Norway
+46 origins

These rates apply to Economic Partnership Agreements; CARIFORUM except Haiti; GSP-EBA (Special arrangement for the least-developed countries - Everything But Arms); OCTs (Overseas Countries and Territories); GSP - General arrangements except India; GSP+ (incentive arrangement for sustainable development and good governance).

Whether you can use one depends on the origin rules for the goods and on the documentation you can show.

Check this code in the official EU TARIC database

Restrictions and paperwork

Important

Import restrictions are recorded for goods originating in:

any country
Ukraine
any country except Iran, Islamic Republic of
Iran, Islamic Republic of

The EU records document conditions on this code. What customs may ask for depends on where the goods come from, exactly what the product is and the customs procedure.

Proof of origin 2 conditions

If you claim a lower rate for goods from a country the EU has a trade agreement with, customs asks for proof of origin, for example a EUR.1 certificate or an origin declaration.

Show the EU's own wording for these conditions

Invoice declaration or origin declaration made out by any exporter on invoice or any other commercial document
Movement certificate EUR.1

Sanctions and restricted regions 5 conditions

Some conditions come from EU sanctions rules. They matter when the goods are linked to a country or region the EU restricts trade with.

Show the EU's own wording for these conditions

Goods not originating from or destined to Crimea or Sevastopol (Articles 2 and 2b.1 of Council Regulation (EU) No 692/2014)
Goods not originating from or not destined for the non-government controlled areas of Ukraine in the oblasts of Donetsk, Kherson, Luhansk and Zaporizhzhia
Goods other than those described in the footnotes linked to the measure (Reg 267/2012)
Import authorisation for restricted goods and technologies (Council Regulation (EU) No 267/2012)
Goods not consigned from Iran

Product controls and permits 8 conditions

Depending on the exact product, customs may ask for a licence, a permit or a control certificate before the goods are released.

Show the EU's own wording for these conditions

Notification document as mentioned in Regulation (EU) 2024/1157 - Article 5 and Annex IA
Exemption from Authorization (Title VII) Article 2 point 5 and 8 of Regulation (EC) No 1907/2006 (REACH)
REACH Authorisation, according to Title VII of Regulation (EC) No 1907/2006
Generic exemption from REACH authorisation (Art. 56 of Regulation (EC) No 1907/2006)
Specific exemption from REACH authorisation (exempted (categories of) use listed in Annex XIV of Regulation (EC) No 1907/2006)
Substance/mixture not subjected to the provisions of Regulation (EC) No 1907/2006 (Annex XVII)
Compliance with the REACH restrictions defined in Column 2 of Annex XVII of Regulation (EC) No 1907/2006
Exemption from REACH restrictions by virtue of Article 67(1) and 67(2) of Regulation (EC) No 1907/2006

Other conditions 3 conditions

These conditions match none of the groups above. Whether customs asks for one depends on the goods, where they come from and the customs procedure.

Show the EU's own wording for these conditions

Information document accompanying shipments of waste as mentioned in Regulation (EU) 2024/1157 – Article 18 and Annex VII
Product not subjected to the provisions of Regulation (EU) 2024/1157
Movement document as mentioned in Regulation (EU) 2024/1157 – Article 5 and Annex IB

Check this code in the official EU TARIC database

EU tariff measure data of Sept. 1, 2026.

One last classification check

Check the path and the nearest alternatives.

Use this view if you are still unsure the code describes the product precisely.

How we got to this code

VI
28
2842
2842 90
2842 90 70

Show the steps

The path to this code

Every level is settled. Open an earlier step if you need to change a choice.

Step 5 of 5 · Complete

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 2842 Salts of inorganic acids or peroxoacids, incl. alum… 41 of 50 headings under chapter 28
Is it a double or complex silicate of an inorganic acid or peroxyacid, including an aluminosilicate?
✓
Step 4 · Subheading 2842 90 Salts of inorganic acids or peroxoacids, n.e.s. 2 of 2 subheadings under heading 2842
Is it a single, double or complex salt of an acid of selenium or tellurium?
✓
Step 5 · Full code 2842 90 70 Salts of inorganic acids or peroxoacids, n.e.s. 3 of 4 codes under subheading 2842 90

Compare with the codes next to it.

Compare the sibling codes at this level before you settle on this one.

another option 2842 90 10 Salts, double salts or complex salts of selenium or tellurium acids 5.3%
another option 2842 90 20 Lithium iron phosphate 5.5%
you are here 2842 90 70 Salts of inorganic acids or peroxoacids, n.e.s. Rate depends on the 10-digit line
another option 2842 90 80 Salte af uorganiske syrer eller peroxosyrer (undtagen salte af oxometalsyrer eller peroxometalsyrer, dobbelte eller komplekse silicater, herunder aluminosilicater, også når de ikke er kemisk definerede, enkelte, dobbelte eller komplekse salte af selens syrer og tellurs syrer samt azider og uorganiske eller organiske komponenter af merkur) No rate on file

Worth comparing

Codes that sit close to this one, for when the material itself could be different.

Browse chapter 28

Often confused with

2842 90 10 Salts, double salts or complex salts of selenium or tellurium acids 5.3%
That code specifically names single, double or complex salts of selenium or tellurium acids; this code does not name them.
2842 90 20 Lithium iron phosphate 5.5%
That code specifically names lithium iron phosphate; this code does not name it.

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.