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Code 2933 21 · Heading 2933

Hydantoin and its derivatives

This code covers hydantoin and derivatives of hydantoin.

For example

  • Hydantoin
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See the official tariff text

Official tariff text

Hydantoin and its derivatives

Full 8-digit codes

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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.

  • 29.33.2100

    Hydanotoin and its derivatives

    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.

  • 2933 21 00 45

    Sodium (5S,8S)-8-methoxy-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-ide (CAS RN 1400584-86-2) with a purity by weight of 90 % or more

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

  • 2933 21 00 50

    1-Bromo-3-chloro-5,5-dimethylhydantoin (CAS RN 16079-88-2) / (CAS RN 32718-18-6)

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

  • 2933 21 00 55

    1-Aminohydantoin hydrochloride (CAS RN 2827-56-7)

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

  • 2933 21 00 60

    DL-p-Hydroxyphenylhydantoin (CAS RN 2420-17-9)

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

  • 2933 21 00 80

    5,5-Dimethylhydantoin (CAS RN 77-71-4)

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

  • 2933 21 00 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).

Check the neighbouring codes

The codes just before and after this one, in case a nearby group fits better.

See all 27 codes at this level
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Hydantoin and its derivatives

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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.