Code 3823 19 · Heading 3823

Industrial monocarboxylic fatty acids and acid oils from refining, excluding stearic acid, oleic acid and tall oil fatty acid

This covers industrial monocarboxylic fatty acids and acid oils from refining. It does not cover stearic acid, oleic acid or tall oil fatty acid.

For example

Industrial palmitic acid
Acid oils from refining

See the official tariff text

Official tariff text

Fatty acids, industrial, monocarboxylic; acid oils from refining (excl. stearic acid, oleic acid and tall oil fatty acids)

How we got to this code

VI
38
3823
3823 19

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 38 Miscellaneous chemical products 11 of 11 chapters in section VI
Which specific product type is it: a carbon or mineral product, resin or terpentine product, pesticide, textile, paper or leather treatment, soldering or welding preparation, oil or fuel additive, rubber or plastic additive, fire-extinguishing preparation, solvent or paint remover, catalyst, refractory product, alkylbenzene or alkylnaphthalene mixture, doped electronic material, hydraulic fluid, antifreeze or de-icing liquid, culture substrate, diagnostic or laboratory reagent, fatty acid or fatty alcohol, foundry binder or other chemical preparation, chemical waste, biodiesel, or a mixture containing halogenated methane, ethane or propane derivatives?
✓
Step 3 · Heading 3823 Industrial monocarboxylic fatty acids; acid oils fr… 23 of 27 headings under chapter 38
Is the product industrial stearic acid, industrial oleic acid, industrial tall oil fatty acid, another industrial monocarboxylic fatty acid or acid oil from refining, or an industrial fatty alcohol?
✓
Step 4 · Subheading 3823 19 Fatty acids, industrial, monocarboxylic; acid oils … 4 of 5 subheadings under heading 3823
Is the product distilled fatty acids, fatty acid distillate, or another industrial monocarboxylic fatty acid or acid oil from refining that is not stearic acid, oleic acid or tall oil fatty acid?

Pick the 8-digit code

Pick the description that best matches your product.

Import duty on the codes below: 2.9%

3 codes below this one

Compare the sibling codes

See all 5 codes at this level

Classification decides the rate here: from 2.9% to 5.1%.

3823 11 Stearic acid, industrial 5.1%
3823 12 Oleic acid, industrial 4.5%
3823 13 Tall oil fatty acids, industrial 2.9%
3823 19 Fatty acids, industrial, monocarboxylic; acid oils from refining (excl. stearic acid, oleic acid and tall oil fatty acids) you are here 2.9%
3823 70 Fatty alcohols, industrial 3.8%

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 lines2 Norwegian lines

38.23.1910 For feed purpose

Norwegian tariff data checked Sept. 13, 2026.

Great Britain

Duty free

Their lines14 British lines

3823 19 10 30 Fatty acids with a carbon chain length of C6, C8, C10, C12, C14, C16 or C18 with an iodine

Northern Ireland follows other rules.

UK tariff data checked Sept. 13, 2026.

United States

From 2.3% to 10.0%

Estimated from published US measures

Their lines2 US lines
Entry dateSept. 18, 2026

3823.19.20.00 Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols

The US importer of record files the entry.

US tariff data checked Sept. 16, 2026.

See the 2 Norwegian lines

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.

38.23.1910

For feed purpose

Ordinary duty

Duty free
38.23.1990

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 14 British lines

Selling to Great Britain

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

All 14 UK lines under this code

They all have the same duty rates shown here.

Ordinary duty

Duty free

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 2 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.

3823.19.20.00

Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols, Industrial monocarboxylic fatty acids; acid oils from refining, Other, Derived from coconut, palm-kernel or palm oil

General rate

2.3%

From the EU

2.3% Estimated from published US measures US headings applied: 9903.05.97 U.S. note 52(j)(2) to subchapter III of chapter 99, 91 FR 47318: as provided in heading 9903.05.97, the duties imposed by headings 9903.05.38 and 9903.05.39 shall not apply to articles the product of a member state of the European Union classifiable in the listed provisions
3823.19.40.00

Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols, Industrial monocarboxylic fatty acids; acid oils from refining, Other

General rate

3.2%

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. 18, 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.