Code 2831 90 · Heading 2831

Dithionites and sulfoxylates, other than sodium

This code covers dithionites and sulfoxylates that are not sodium dithionites or sodium sulfoxylates. Sodium dithionites and sulfoxylates belong to the separate sodium category.

For example

• A dithionite chemical other than sodium dithionite
• A sulfoxylate chemical other than sodium sulfoxylate

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See the official tariff text

Official tariff text

Dithionites and sulfoxylates (excl. sodium)

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1 code below this one

• 2831 90 00 Dithionites and sulfoxylates (excl. sodium) 5.5%^* → Save

Compare the sibling codes

• 2831 10 Dithionite and sulfoxylate of sodium 5.5%^*
• 2831 90 Dithionites and sulfoxylates (excl. sodium) you are here 5.5%^*

Export to Norway

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

• 28.31.9000

  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.

• 2831 90 00 00

  Other

  Ordinary duty

  Duty free^*

  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.

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← Previous code 2831 10

Dithionite and sulfoxylate of sodium

you are here 2831 90

Dithionites and sulfoxylates (excl. sodium)

* 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.