Code 2925 29 · Heading 2925

Imines, their derivatives and their salts, excluding chlordimeform

This code covers imines, derivatives of imines, and salts of these products. Chlordimeform is excluded.

See the official tariff text

Official tariff text

Imines and their derivatives; salts thereof (excl. chlordimeform [ISO])

How we got to this code

VI
29
2925
2925 29

Show the steps

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 2925 Carboxyimide-function compounds, incl. saccharin an… 25 of 42 headings under chapter 29
Is it saccharin or its salts, glutethimide, another imide or its derivatives and salts, chlordimeform, or another imine or its derivatives and salts?
✓
Step 4 · Subheading 2925 29 Imines and their derivatives; salts thereof (excl. … 5 of 5 subheadings under heading 2925
Is the product an imine, a derivative of an imine, or a salt of one of these products, and is it not chlordimeform?

Pick the 8-digit code

Import duty on the codes below: 6.5%

Only one code below

2925 29 00

Imines and their derivatives; salts thereof (excl. chlordimeform [ISO])

6.5%

This subheading has one 8-digit code, so that is the code to use.

Open 2925 29 00 Save

Compare the sibling codes

See all 5 codes at this level

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

2925 11 Saccharin and its salts 6.5%
2925 12 Glutethimide "INN" 0.0%
2925 19 Imides and their derivatives; salts thereof (excl. saccharin and its salts, glutethimide [INN] and inorganic or organic compounds of mercury) 0.0%
2925 21 Chlordimeform "ISO" 6.5%
2925 29 Imines and their derivatives; salts thereof (excl. chlordimeform [ISO]) you are here 6.5%

Selling to Norway, Great Britain and the United States

What they charge on arrival.

Norway, Great Britain and the United States use their own tariff lines under the 6-digit HS code. The rates below are what their customs charge on goods arriving from the EU. Match the goods against each country's own wording before you rely on a rate.

Norway

Duty free

Their lines1 Norwegian line

29.25.2900 Other

Norwegian tariff data checked Sept. 13, 2026.

Great Britain

The rate depends on the line.

Their lines9 British lines

2925 29 00 10 Dicyclohexylcarbodiimide (CAS RN 538-75-0)

Northern Ireland follows other rules.

UK tariff data checked Sept. 13, 2026.

United States

6.5% or 15.0%

Depends on a question

Their lines6 US lines
Entry dateSept. 17, 2026

2925.29.10.00 Carboxyimide-function compounds (including saccharin and its salts) and imine-function

The US importer of record files the entry.

US tariff data checked Sept. 16, 2026.

See the 1 Norwegian line

Selling to Norway

Norway splits the 6-digit category its own way, so these are Norway's own lines under it, not this EU code. Check your product against their wording; what Norwegian customs charges is shown per line.

29.25.2900

Other

Ordinary duty

Duty free

Norwegian tariff data version 1.5/1.2, last checked Sept. 13, 2026.

Contains data from Norwegian Customs (data.toll.no), licensed under CC BY 4.0, adapted for display.

See the 9 British lines

Selling to Great Britain

What UK customs charges when goods like these arrive in Great Britain.

2925 29 00 10

Dicyclohexylcarbodiimide (CAS RN 538-75-0)

Ordinary duty

Duty free
2925 29 00 20

N-[3-(Dimethylamino)propyl]-N'-ethylcarbodiimide hydrochloride (CAS RN 25952-53-8)

Ordinary duty

Duty free
2925 29 00 25

1-(3-(2-Hydroxyethyl)phenyl)guanidinium methanesulfonate (CAS RN 2101429-50-7) with a purity by weight of 99 % or more

Ordinary duty

Duty free
2925 29 00 35

N-Amidinosarcosine hydrate (CAS RN 6020-87-7) with a purity by weight of 99 % or more

Ordinary duty

Duty free
2925 29 00 40

N-amidinosarcosine (CAS RN 57-00-1)

Ordinary duty

Duty free
2925 29 00 50

(Chloromethylene)dimethyliminium chloride (CAS RN 3724-43-4) with a purity by weight of 95 % or more

Ordinary duty

Duty free
2925 29 00 70

Bromomethylidene(dimethyl)azanium bromide (CAS RN 24774-61-6) with a purity by weight of 97 % or more

Ordinary duty

Duty free
2925 29 00 80

Ethyl 4-[[(methylphenylamino)methylene]amino]benzoate (CAS RN 57834-33-0) with a purity of 99 % or more by weight

Ordinary duty

Duty free

Show all 9 lines

2925 29 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 v4.0.1599, last checked Sept. 13, 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).

See the 6 US lines

Selling to the United States

What US customs charges when goods like these arrive from the EU. The US importer of record files the entry and pays the duty.

2925.29.10.00

Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds, Imines and their derivatives; salts thereof, Other, Aromatic, N'-(4-Chloro-o-tolyl)-N,N- diemthylformamidine; Bunamidine hydrochloride; and Pentamidine

General rate

6.5%

From the EU

10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99
2925.29.18.00

Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds, Imines and their derivatives; salts thereof, Other, Aromatic, N,N'-Diphenylguanidine; 3-Dimethyl amino methyleneiminophenol hydrochloride; 1,3-Di-o-tolylguanidine; andN,N-Dimethyl-N'-[3-[[(methylamino) carbonyl]- oxy] phenyl] methanimidamide monohydro- chloride

General rate

Free

From the EU

10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99
2925.29.20.00

Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds, Imines and their derivatives; salts thereof, Other, Aromatic, Other, Drugs

General rate

6.5%

From the EU

6.5% or 15.0% Depends on a question US headings applied: 9903.04.62 Section 232 pharmaceuticals, Proclamation 11020 of 2 April 2026 (91 FR 18183) clauses (3)(c), (4), (5) and (7), heading 9903.04.62 of subchapter III of chapter 99 with U.S. note 40(c) and (f): the rate for patented pharmaceuticals and associated ingredients shall be 15 percent for products of the European Union, the sum of the column 1 duty rate and the additional duty being that rate; generic pharmaceuticals are not subject to tariffs pursuant to section 232 at this time; effective 31 July 2026 for the companies listed in Annex III and 29 September 2026 for other companies
2925.29.60.00

Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds, Imines and their derivatives; salts thereof, Other, Aromatic, Other

General rate

6.5%

From the EU

10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99
2925.29.70.00

Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds, Imines and their derivatives; salts thereof, Other, Tetramethylguanidine

General rate

Free

From the EU

10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99
2925.29.90.00

Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds, Imines and their derivatives; salts thereof, Other

General rate

3.7%

From the EU

10.0% Estimated from published US measures US headings applied: 9903.05.39 Section 301 forced-labour action, 91 FR 47318 (memorandum 91 FR 47717), U.S. note 52 to subchapter III of chapter 99

Worked out for an entry on Sept. 17, 2026.

US tariff schedule 2026HTSRev19, last checked Sept. 16, 2026.

Last change we recorded: Revision 19 (2026), Sept. 16, 2026.

Anti-dumping and countervailing duties, US import taxes and customs fees are not included.

The descriptions above are the US tariff texts, which the United States publishes in English only.

Source: the US International Trade Commission's Harmonized Tariff Schedule (hts.usitc.gov), public domain, and the measures published in the Federal Register.

This is a planning estimate from the US Harmonized Tariff Schedule (revision shown) and the published Federal Register measures as of the date shown, for a shipment of EU origin. It is not a customs entry, legal advice or a broker's opinion, and tariffs.help is not a US-licensed customs broker. The US importer of record or their broker confirms the classification, origin, value and the duty due before filing.

Duty rates shown here are estimates, read from official EU / Danish, Norwegian and UK tariff data for orientation only. Confirm the current rate with Toldstyrelsen, 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.