Code 2932 99 · Heading 2932

Other oxygen-only heterocyclic compounds, excluding the specifically listed products and mercury components

This code covers heterocyclic compounds whose only heteroatom or heteroatoms are oxygen. It excludes compounds with a non-fused furan ring, including hydrogenated ones, as well as lactones, isosafrole, 1-(1,3-benzodioxol-5-yl)propan-2-one, piperonal, safrole, tetrahydrocannabinols of all isomers, carbofuran, and inorganic or organic mercury components.

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Official tariff text

Heterocyclic compounds with oxygen hetero-atom[s] only (excl. compounds containing unfused furan ring, whether or not hydrogenated, in the structure, and lactones, isosafrole, 1-[1,3-benzodioxol-5-yl]propan-2-one, piperonal, safrole, tetrahydrocannabinols "all isomers", carbofuran, and inorganic or organic compounds of mercury)

The path to this code

Every code is reached through these choices, one level at a time.

Step 4 of 4

Step 1 · Section VI Products of the chemical or allied industries
Is it an inorganic or organic chemical; a pharmaceutical product; a fertilizer; a tanning or dye extract, pigment, paint, varnish, filler or printing ink; an essential oil, perfume, cosmetic or toilet product; soap, a surface-active, washing, cleaning, polishing or wax product; a protein, modified starch, glue or enzyme; an explosive, pyrotechnic article, match or other specified combustible material; a photographic or cinematographic product; or another chemical product?
✓
Step 2 · Chapter 29 Organic chemicals 2 of 11 chapters in section VI
What type of organic chemical is it—for example, a hydrocarbon, alcohol, acid, nitrogen compound, sulfur compound, heterocyclic compound, vitamin, hormone, glycoside, plant alkaloid, sugar, antibiotic or another listed organic compound?
✓
Step 3 · Heading 2932 Heterocyclic compounds with oxygen hetero-atom[s] o… 32 of 42 headings under chapter 29
Is the product tetrahydrofuran, 2-furaldehyde, furfuryl alcohol or tetrahydrofurfuryl alcohol, the specified phosphonic-acid products or their salts, a lactone, isosafrole, 1-[1,3-benzodioxol-5-yl]propan-2-one, piperonal, safrole, tetrahydrocannabinols, carbofuran, or another oxygen-only heterocyclic compound?
✓
Step 4 · Subheading 2932 99 Heterocyclic compounds with oxygen hetero-atom[s] o… 13 of 13 subheadings under heading 2932
Is it tetrahydrofuran, 2-furaldehyde (furfuraldehyde), furfuryl alcohol, tetrahydrofurfuryl alcohol, one of the specifically named phosphonic acids or their salts, a lactone, isosafrole, 1-(1,3-benzodioxol-5-yl)propan-2-one, piperonal, safrole, a tetrahydrocannabinol, carbofuran, or none of these?

Full 8-digit codes

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1 code below this one

2932 99 00 Heterocyclic compounds with oxygen hetero-atom[s] only (excl. compounds containing unfused furan ring, whether or not hydrogenated, in the structure, and lactones, isosafrole, 1-[1,3-benzodioxol-5-yl]propan-2-one, piperonal, safrole, tetrahydrocannabinols "all isomers", carbofuran, and inorganic or organic compounds of mercury) 6.5% Save

Compare the sibling codes

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

2932 11 Tetrahydrofuran 6.5%
2932 12 2-Furaldehyde "furfuraldehyde" 6.5%
2932 13 Furfuryl alcohol and tetrahydrofurfuryl alcohol 6.5%
2932 14 Sucralose 6.5%
2932 19 Heterocyclic compounds with oxygen hetero-atom[s] only, containing an unfused furan ring, whether or not hydrogenated, in the structure (excl. tetrahydrofuran, 2-furaldehyde "furfuraldehyde", furfuryl alcohol, tetrahydrofurfuryl alcohol and sucralose) 6.5%
2932 20 Lactones 0.0–6.5%
2932 91 Isosafrole 6.5%
2932 92 1-"1,3-Benzodioxol-5-yl"propan-2-one 6.5%
2932 93 Piperonal 6.5%
2932 94 Safrole 6.5%
2932 95 Tetrahydrocannabinols "all isomers" 6.5%
2932 96 Carbofuran "ISO" 6.5%
2932 99 Heterocyclic compounds with oxygen hetero-atom[s] only (excl. compounds containing unfused furan ring, whether or not hydrogenated, in the structure, and lactones, isosafrole, 1-[1,3-benzodioxol-5-yl]propan-2-one, piperonal, safrole, tetrahydrocannabinols "all isomers", carbofuran, and inorganic or organic compounds of mercury) you are here 6.5%

Export to Norway

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

29.32.9900

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 99 00 03

3,4-Dihydro-2-methoxy-2H-pyran (CAS RN 4454-05-1) 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.
2932 99 00 07

3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylic acid (PMK glycidic acid) CAS No. 2167189-50-4

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 00 13

(4-Chloro-3-(4-ethoxybenzyl)phenyl)((3aS,5R,6S,6aS)-6-hydroxy 2,2-dimethyltetrahydrofuro[2,3-d][1 ,3]dioxol-5-yl)methanone (CAS RN 1103738-30-2)

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 00 15

1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylindeno[5,6-c]pyran (CAS RN 1222-05-5)

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 00 18

4-(4-Bromo-3-((tetrahydro-2H-pyran-2-yloxy)methyl)phenoxy)benzonitrile (CAS RN 943311-78-2)

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 00 23

2-ethyl-3-hydroxy-4-pyrone (CAS RN 4940-11-8)

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 00 25

1-(2,2-Difluorobenzo[d][1,3]dioxol-5-yl)cyclopropanecarboxylic acid (CAS RN 862574-88-7)

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 00 27

(2-Butyl-3-benzofuranyl)(4-hydroxy-3,5-diiodophenyl)methanone (CAS RN 1951-26-4) 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.

Show all 24 lines

2932 99 00 28

1,4,7,10,13-Pentaoxacyclopentadecane (CAS RN 33100-27-5) with a purity by weight of 90 % or more, the remainder mainly consisting of lineair precursors

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 00 33

3-hydroxy-2-methyl-4-pyrone (CAS RN 118-71-8)

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 00 38

1-Benzofuran-6-carboxylic acid (CAS RN 77095-51-3) 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 99 00 43

Ethofumesate (ISO) (CAS RN 26225-79-6) with a purity by weight of 97 % or more

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 00 45

2-Butylbenzofuran (CAS RN 4265-27-4)

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 00 48

(20R,25R)-spirost-5-en-3β-ol (CAS RN 512-04-9) with a purity by weight of 95 % or more

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 00 50

7-Methyl-3,4-dihydro-2H-1,5-benzodioxepin-3-one (CAS RN 28940-11-6)

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 00 51

3-(3,4-Methylenedioxyphenyl)-2-methylpropanal (CAS RN 1205-17-0) 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.
2932 99 00 57

5-sec-butyl-2-(2,4-dimethylcyclohex-3-en-1- yl)-5-methyl-1,3-dioxane

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 00 61

Isopropylidene (2-(3,4-methylenedioxyphenyl)acetyl)malonate

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 00 63

5-sec-butyl-2- (4,6-dimethylcyclohex-3-en-1-yl)-5-methyl- 1,3-dioxane

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 00 65

4,4-Dimethyl-3,5,8-trioxabicyclo[5,1,0]octane (CAS RN 57280-22-5)

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 00 83

6,11-Dihydrodibenz[b,e]oxepin-11-one (CAS RN 4504-87-4) 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 99 00 85

1,3:2,4-bis-O-(3,4-dimethylbenzylidene)-D-glucitol (CAS RN 135861-56-2)

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 00 87

Methyl 3-oxo-2-(3,4-methylenedioxyphenyl)butanoate (MAMDPA) CAS No. 1369021-80-6

Ordinary duty

6.0%

Goods of EU origin

Duty free You need documentation of EU preferential origin to use this rate.
2932 99 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. 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 13 codes at this level

Previous code 2932 96

Carbofuran "ISO"

you are here 2932 99

Heterocyclic compounds with oxygen hetero-atom[s] only (excl. compoun…

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.