Code 2845 10 · Heading 2845

Heavy water (deuterium oxide) (Euratom)

This code covers heavy water, meaning deuterium oxide, as identified under Euratom. It is separate from enriched boron, enriched lithium, helium-3 and other non-radioactive isotopes or their compounds.

For example

Heavy water (deuterium oxide)

See the official tariff text

Official tariff text

Heavy water "deuterium oxide" [Euratom]

How we got to this code

VI
28
2845
2845 10

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 28 Inorganic chemicals; organic or inorganic compounds… 1 of 11 chapters in section VI
Which named chemical or chemical family best describes the product—for example a metal, acid, oxide, salt, isotope, compound or another substance listed under this category?
✓
Step 3 · Heading 2845 Non-radioactive isotopes; inorganic or organic comp… 44 of 50 headings under chapter 28
Is it heavy water (deuterium oxide), boron enriched with boron-10 or its compounds, lithium enriched with lithium-6 or its compounds, helium-3, or another non-radioactive isotope or compound of one?
✓
Step 4 · Subheading 2845 10 Heavy water "deuterium oxide" [Euratom] 1 of 5 subheadings under heading 2845
Is it heavy water (deuterium oxide) (Euratom)?

Pick the 8-digit code

Import duty on the codes below: 5.5%

Only one code below

2845 10 00

Heavy water "deuterium oxide" [Euratom]

5.5%

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

Open 2845 10 00 Save

Compare the sibling codes

See all 5 codes at this level

2845 10 Heavy water "deuterium oxide" [Euratom] you are here 5.5%
2845 20 Boron enriched in boron-10 and its compounds 5.5%
2845 30 Lithium enriched in lithium-6 and its compounds 5.5%
2845 40 Helium-3 5.5%
2845 90 Non-radioactive isotopes; inorganic or organic compounds of such isotopes, whether or not chemically defined (excl. heavy water "deuterium oxide", boron enriched in boron-10 and lithium enriched in lithium-6 and their compounds, and helium-3) 5.5%

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

28.45.1000 Heavy water (deuterium oxide)

Norwegian tariff data checked Sept. 13, 2026.

Great Britain

Duty free

Their lines1 British line

2845 10 00 00 Heavy water (deuterium oxide)

Northern Ireland follows other rules.

UK tariff data checked Sept. 13, 2026.

United States

10.0%

Estimated from published US measures

Their lines1 US line
Entry dateSept. 17, 2026

2845.10.00.00 Isotopes other than those of heading 2844; compounds, inorganic or organic, of such

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.

28.45.1000

Heavy water (deuterium oxide)

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 1 British line

Selling to Great Britain

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

2845 10 00 00

Heavy water (deuterium oxide)

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 1 US line

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.

2845.10.00.00

Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined, Heavy water (Deuterium oxide)

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

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.