tariffs.help
Log in Create free account

Code 2811 19 · Heading 2811

Other inorganic acids, excluding hydrogen fluoride, hydrogen cyanide and the specifically excluded acids

This covers inorganic acids that are not hydrogen fluoride, hydrogen cyanide, hydrochloric acid, chlorosulfuric acid, sulfuric acid, fuming sulfuric acid, nitric acids, phosphoric acids, polyphosphoric acids or boric acids. Hydrogen bromide is included at this level, with its own child classification below.

For example

  • Hydrogen bromide (hydrobromic acid)
See the official tariff text

Official tariff text

Inorganic acids (excl. hydrogen chloride "hydrochloric acid", chlorosulphuric acid, sulphuric acid, oleum, nitric acid, sulphonitric acids, phosphoric acid, polyphosphoric acids, boric acids, hydrogen fluoride "hydrofluoric acid" and hydrogen cyanide "hydrocyanic acid")

How we got to this code

  1. VI
  2. 28
  3. 2811
  4. 2811 19
Show the steps

Pick the 8-digit code

Pick the description that best matches your product.

Import duty on the codes below: 0.0–5.3%

2 codes below this one

Compare the sibling codes

See all 6 codes at this level

Classification decides the rate here: from 0.0% to 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 lines2 Norwegian lines

28.11.1902 Dinitrogen monoxide

Norwegian tariff data checked Sept. 13, 2026.

Great Britain

From 0.0% to 4.0%

  • Their lines5 British lines

2811 19 10 00 Hydrogen bromide (hydrobromic acid)

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 lines4 US lines
  • Entry dateSept. 17, 2026

2811.19.10.00 Other inorganic acids and other inorganic oxygen compounds of nonmetals, Other inorganic

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.

  • 28.11.1902

    Dinitrogen monoxide

    Ordinary duty
    Duty free

  • 28.11.1909

    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 5 British lines

Selling to Great Britain

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

  • 2811 19 10 00

    Hydrogen bromide (hydrobromic acid)

    Ordinary duty
    Duty free

  • 2811 19 80 40

    Arsenic acid (CAS RN 7778-39-4)

    Ordinary duty
    4.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2811 19 80 50

    Sulphamidic acid (CAS RN 5329-14-6) with a purity by weight of 95 % or more, whether or not with not more than 5 % addition of the anti-caking agent silicon dioxide (CAS RN 112926-00-8)

    Ordinary duty
    4.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2811 19 80 60

    Phosphorous acid, in solid or liquid (aqueous) forms, also denominated phosphonic acid, usually falling under Chemical Abstracts Service ('CAS') numbers 13598-36-2 and 10294-56-1. The Customs and Statistics (‘CUS’) numbers usually corresponding to this product are 0021895-1 and 0043878-8.

    Ordinary duty
    4.0%
    Goods of EU origin
    Duty free You need documentation of EU preferential origin to use this rate.

  • 2811 19 80 90

    Other

    Ordinary duty
    4.0%
    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 4 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.

  • 2811.19.10.00

    Other inorganic acids and other inorganic oxygen compounds of nonmetals, Other inorganic acids, Other, Arsenic acid

    General rate
    2.3%
    From the EU
    2.3% Estimated from published US measures US headings applied: 9903.05.86 U.S. note 52(b) to subchapter III of chapter 99, 91 FR 47318: as provided in heading 9903.05.86, the duties imposed by headings 9903.05.20 through 9903.05.84 shall not apply to articles classifiable in the listed provisions

  • 2811.19.30.00

    Other inorganic acids and other inorganic oxygen compounds of nonmetals, Other inorganic acids, Other, Hydrobromic acid

    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

  • 2811.19.61.10

    Other inorganic acids and other inorganic oxygen compounds of nonmetals, Other inorganic acids, Other, Sulfamic acid

    General rate
    4.2%
    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

  • 2811.19.61.90

    Other inorganic acids and other inorganic oxygen compounds of nonmetals, Other inorganic acids, Other

    General rate
    4.2%
    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. 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.