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Code 2921 51 · Heading 2921

o-, m- and p-Phenylene diamines, diaminotoluenes, their derivatives and salts

This code covers o-, m- and p-phenylene diamines and diaminotoluenes, as well as derivatives of these products and their salts. The children distinguish a specified pure m-phenylene diamine, the named diamines and certain halogen-, sulfo-, nitro- or nitroso-derivatives, and other derivatives.

For example

  • o-Phenylene diamine
  • m-Phenylene diamine
  • p-Phenylene diamine
  • Diaminotoluene
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See the official tariff text

Official tariff text

o-Phenylenediamine, m-phenylenediamine, p-phenylenediamine or diaminotoluenes and their derivatives; salts thereof

Compare the sibling codes

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.

  • 29.21.5110

    o-, m-, p-Phenylenediamine, diaminotoluenes, and salts thereof

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU origin to use this rate.
  • 29.21.5190

    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.

  • 2921 51 11 00

    m-Phenylenediamine, of a purity by weight of 99 % or more and containing:<br><br><br>- 1 % or less by weight of water,<br><br><br>- 200 mg/kg or less of o-phenylenediamine and<br><br><br>- 450 mg/kg or less of p-phenylenediamine

    Ordinary duty
    Duty free
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
  • 2921 51 19 10

    o-Phenylenediamine (CAS RN 95-54-5)

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
  • 2921 51 19 30

    2-Methyl-p-phenylenediamine sulphate (CAS RN 615-50-9)

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
  • 2921 51 19 40

    p-Phenylenediamine (CAS RN 106-50-3)

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
  • 2921 51 19 50

    2-Chloro-1,4-phenylendiamine (CAS RN 615-66-7) or 2,5-dichloro-1,4-phenylendiamine (CAS RN 20103-09-7)

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
  • 2921 51 19 90

    Other

    Ordinary duty
    6.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.
  • 2921 51 90 00

    Other

    Ordinary duty
    6.0%
    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 18 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.