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Code 2931 59 · Heading 2931

Other derivatives of halogenated organic phosphorus compounds

This code covers derivatives of halogenated organic phosphorus compounds that are not otherwise specifically named in the tariff tree. It does not cover the separately listed halogenated compounds or the separately listed derivatives of non-halogenated organic phosphorus compounds.

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See the official tariff text

Official tariff text

Separate chemically defined halogenated organo-phosphorous derivatives, n.e.s.

This is the catch-all under 2931: it covers what the sibling codes below do not.

This is the remainder for derivatives of halogenated organic phosphorus compounds in the parent group after excluding the specifically named compounds and compound classes in the sibling codes.

Full 8-digit codes

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2 codes below this one

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Classification decides the rate here: from 0.0% to 6.5%.

Export to Norway

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

  • 29.31.5901

    P-Alkyl (≤C10, incl. cycloalkyl) N-(1-(dialkyl (≤C10, incl. cycloalkyl) amino))alkylidene (H or ≤C10, incl. cycloalkyl) phosphonamidic fluorides and corresponding alkylated or protonated salts

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU origin to use this rate.
  • 29.31.5902

    Methyl-(bis(diethylamino)methylene)phosphonamidofluoridate

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU origin to use this rate.
  • 29.31.5903

    Containing a phosphorus atom to which one methyl, ethyl, n-propyl or isopropyl group is bonded but no further carbon atoms

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU origin to use this rate.
  • 29.31.5909

    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.

  • 2931 59 10 00

    Methylphosphonoyl difluoride (methylphosphonic difluoride)

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
  • 2931 59 90 50

    2-Chloroethylphosphonic acid (CAS RN 16672-87-0) solid or in aqueous solution, with a content by weight of 2-Chloroethylphosphonic acid of 65 % or more

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
  • 2931 59 90 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. 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 17 codes at this level

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.