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Code 2932 20 · Heading 2932

Lactones

This group covers lactones, including phenolphthalein, gamma-butyrolactone and other lactones. The specific child entry depends on which of these three product types the lactone is.

For example

  • Phenolphthalein
  • Gamma-butyrolactone
  • A lactone other than gamma-butyrolactone or phenolphthalein
Save Browse the codes below
See the official tariff text

Official tariff text

Lactones

Full 8-digit codes

Pick the description that best matches your product.

3 codes below this one

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.

  • 29.32.2001

    Gamma-butyrolactone (GBL)

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

  • 29.32.2009

    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.

  • 2932 20 10 00

    Phenolphthalein; 1-hydroxy-4-[1-(4-hydroxy-3-methoxycarbonyl-1-naphthyl)-3-oxo-1H,3H-benzo[de]isochromen-1-yl]-6-octadecyloxy-2-naphthoic acid; 3′-chloro-6′-cyclohexylaminospiro[isobenzofuran-1(3H),9′-xanthen]-3-one; 6′-(N-ethyl-p-toluidino)-2′-methylspiro[isobenzofuran-1(3H),9′-xanthen]-3-one; methyl-6-docosyloxy-1-hydroxy-4-[1-(4-hydroxy-3-methyl-1-phenanthryl)-3-oxo-1H,3H-naphtho[1,8-cd]pyran-1-yl]naphthalene-2-carboxylate

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

  • 2932 20 20 00

    gamma-Butyrolactone

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

  • 2932 20 90 15

    Coumarin (CAS RN 91-64-5)

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

  • 2932 20 90 18

    4-Hydroxycoumarin (CAS-RN 1076-38-6) 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.

  • 2932 20 90 25

    Decan-5-olide (CAS RN 705-86-2)

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

  • 2932 20 90 28

    (R)-3-(3,4-difluoro-2-methoxyphenyl)-4,5-dimethyl-5-(trifluoromethyl)furan-2(5H)-one (CAS RN 2875066-35-4) 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.

  • 2932 20 90 30

    Dodecan-5-olide (CAS RN 713-95-1)

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

  • 2932 20 90 33

    6-Cyclohexyl-4-methyl-2H-pyran-2-one (CAS RN 14818-35-0) with a purity of 99 % by weight 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 22 lines

  • 2932 20 90 38

    6-Dimethylamino-3,3-bis(4-dimethylaminophenyl)phthalide (CAS RN 1552-42-7) with a purity by weight of 96 % or more

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

  • 2932 20 90 40

    (S)-(−)-α-Amino-γ-butyrolactonehydrobromide (CAS RN 15295-77-9)

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

  • 2932 20 90 45

    2,2-Dimethyl-1,3-dioxane-4,6-dione (CAS RN 2033-24-1)

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

  • 2932 20 90 50

    L-Lactide (CAS RN 4511-42-6), D-lactide (CAS RN 13076-17-0), dilactide (CAS RN 95-96-5) or meso-lactide (CAS RN 13076-19-2), each 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.

  • 2932 20 90 60

    6'-(Diethylamino)-3'-methyl-2'-(phenylamino)-spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one (CAS RN 29512-49-0)

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

  • 2932 20 90 63

    Selamectin (INN) 5Z-isomer (CAS RN 220119-17-5)

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

  • 2932 20 90 65

    Sodium 4-(methoxycarbonyl)-5-oxo-2,5-dihydrofuran-3-olate (CAS RN 1134960-41-0)

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

  • 2932 20 90 71

    6'-(Dibutylamino)-3'-methyl-2'-(phenylamino)-spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one (CAS RN 89331-94-2)

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

  • 2932 20 90 75

    3-Acetyl-6-methyl-2H-pyran-2, 4(3H)-dione (CAS RN 520-45-6)

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

  • 2932 20 90 77

    Hexan-6-olide (CAS RN 502-44-3)

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

  • 2932 20 90 80

    Gibberellic acid (CAS RN 77-06-5) with a purity by weight of 88% or more, for use in the manufacture of plant protection products

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

  • 2932 20 90 84

    Decahydro-3a,6,6,9a-tetramethylnaphth [2,1-b] furan-2 (1H)-one (CAS RN 564-20-5)

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

  • 2932 20 90 88

    Methylcoumarins and ethylcoumarins

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

  • 2932 20 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. 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 13 codes at this level
Previous code 2932 19

Heterocyclic compounds with oxygen hetero-atom[s] only, containing an…
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Lactones

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Isosafrole

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.