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Code 2920 90 10 · Subheading 2920 90

Final code reached

Sulfuric- and carbonic-acid esters, their salts and specified derivatives, excluding mercury components

This is a complete 8-digit customs code. There is no further code choice to make below it.

This code covers esters of sulfuric acid or carbonic acid, their salts, and their halogen-, sulfo-, nitro- or nitroso-derivatives. It excludes products that are inorganic or organic mercury components.

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See the official tariff text

Official tariff text

Sulphuric esters and carbonic esters and their salts, and their halogenated, sulphonated, nitrated or nitrosated derivatives (excl. inorganic or organic compounds of mercury)

Classification complete

2920 90 10

Sulfuric- and carbonic-acid esters, their salts and specified derivatives, excluding mercury components

The spaces only make the code easier to read. Customs declarations normally use the unspaced form, 29209010.

See how EU customs ruled on similar products

One last check

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

Trade measures to be aware of

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.

  • Lower duty for goods from some countries

    Preferential rates exist for goods originating in San Marino; Economic Partnership Agreements; CARIFORUM except Haiti; Comoros (excluding Mayotte), Madagascar, Mauritius, Seychelles and dependencies and Zimbabwe; Botswana, Eswatini, Lesotho, Mozambique and Namibia; GSP-EBA (Special arrangement for the least-developed countries - Everything But Arms); OCTs (Overseas Countries and Territories); Ivory Coast; 52 more origins. 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

    Import restrictions are recorded for goods originating in Ukraine; any country.

    Document or certificate conditions are recorded. Customs may ask for:

    • Movement certificate EUR.1
    • Invoice declaration or origin declaration made out by any exporter on invoice or any other commercial document
    • 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
    • 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
    Show all 7 document conditions
    • Exemption from REACH restrictions by virtue of Article 67(1) and 67(2) of Regulation (EC) No 1907/2006
    Check this code in the official EU TARIC database

EU tariff measure data version 2026-08-03-tullverket.

Export to Norway

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

  • 29.20.9000

    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. 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.

  • 2920 90 10 13

    Tetraethyl orthocarbonate (CAS RN 78-09-1) with a purity by weight of 99 % or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2920 90 10 20

    Diallyl 2,2'-oxydiethyl dicarbonate (CAS RN 142-22-3)

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2920 90 10 23

    1,3,2-Dioxathiolane 2,2-dioxide (CAS RN 1072-53-3) with a purity by weight of 99 %, or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2920 90 10 33

    Ethyl methyl carbonate (CAS RN 623-53-0) with a purity by weight of 98 % or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2920 90 10 40

    Dimethyl carbonate (CAS RN 616-38-6)

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2920 90 10 45

    Ethylene carbonate (CAS RN 96-49-1) with a purity by weight of 99 % or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2920 90 10 50

    Di-tert-butyl dicarbonate (CAS RN 24424-99-5)

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2920 90 10 55

    Vinylene carbonate (CAS RN 872-36-6) with a purity by weight of 99,9 % or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
Show all 12 lines

  • 2920 90 10 65

    Vinyl ethylene carbonate (CAS RN 4427-96-7) with a purity by weight of 99 % or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2920 90 10 75

    Dimethyl Sulphate (CAS RN 77-78-1) with a purity of at least 99 %

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2920 90 10 85

    Diethyl carbonate (CAS RN 105-58-8) with a purity by weight of 99,9 % or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2920 90 10 90

    Other

    Ordinary duty
    Depends on the product details
    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).

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
  1. 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.
  2. Country of origin Trade agreements, sanctions and extra measures can change the treatment of the very same code.
  3. Current tariff measures Check today's rate, any restrictions or licences, and the quantity customs asks for, with SKAT or TARIC.

Worth comparing

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

Browse chapter 29

Similar products elsewhere in the tariff

Often confused with

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.