Subheading · Chapter 29 · Heading 2918
2918.16: Gluconic acid, its salts and esters
2918.16 is a six-digit subheading of heading 2918, carboxylic acids with additional oxygen function and their anhydrides, halides…, chapter 29.
What you pay
Importing into UK
Rates by national line · UK Global Tariff
UK lines →- 2918 16 00 00 Gluconic acid, its salts and esters
- 2918 16 00 10 Dry sodium gluconate with a customs union and statistics (cus) number 0023277-9 and a chemical abstracts service (cas) registry number 527-07-1 6%
- 2918 16 00 90 Other Free
Additional duties and import rules
Charges on top of the customs duty, and rules the goods must meet at the border.
Additional duties and charges 2
- Additional dutyAdditional duties 35%
- Applies to goods from
- Belarus, Russia
- Legal act
- 2022 No. 833
- Documents
- 9018
- Duty suspensionSuspension - goods for certain categories of ships, boats and other vessels and for drilling or production platforms Free
- Applies to goods from
- all countries
- Legal act
- 2020 No. 1431
- Documents
- C990 End use authorisation ships and platforms (Column 8c, Annex A of Delegated Regulation (EU) 2015/2446)
Import requirements 1
- Import controlRestriction on entry into free circulation
- Applies to goods from
- Ukraine
- Legal act
- S.I. 2022/395
- Documents
- 9009
- 9010
- 9017
Preferential rates by country
| Agreement or scheme | Countries | Rate |
|---|---|---|
| standard rate (no agreement) | — | Free – 6% |
| DCTS Comprehensive | Afghanistan, Angola, Bangladesh, Benin and 38 moreAfghanistan, Angola, Bangladesh, Benin, Bhutan, Burkina Faso, Burundi, Cambodia, Central African Republic, Chad, Comoros, Congo - Kinshasa, Djibouti, Eritrea, Ethiopia, Gambia, Guinea, Guinea-Bissau, Haiti, Kiribati, Laos, Liberia, Malawi, Mali, Mauritania, Myanmar (Burma), Nepal, Niger, Rwanda, São Tomé & Príncipe, Senegal, Sierra Leone, Somalia, South Sudan, Sudan, Tanzania, Timor-Leste, Togo, Tuvalu, Uganda, Yemen, Zambia | Free |
| European Union (including code "EU") | Free | |
| DCTS Enhanced | Algeria, Bolivia, Cape Verde, Congo - Brazzaville and 13 moreAlgeria, Bolivia, Cape Verde, Congo - Brazzaville, Cook Islands, Kyrgyzstan, Micronesia, Mongolia, Nigeria, Niue, Pakistan, Philippines, Sri Lanka, Syria, Tajikistan, Uzbekistan, Vanuatu | Free |
| CARIFORUM | Antigua & Barbuda, Bahamas, Barbados, Belize and 10 moreAntigua & Barbuda, Bahamas, Barbados, Belize, Dominica, Dominican Republic, Grenada, Guyana, Jamaica, St Kitts & Nevis, St Lucia, St Vincent & the Grenadines, Suriname, Trinidad & Tobago | Free |
| OCTs (Overseas Countries and Territories) | Anguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands and 7 moreAnguilla, Bermuda, British Indian Ocean Territory, British Virgin Islands, Cayman Islands, Falkland Islands, Montserrat, Pitcairn Islands, South Georgia & South Sandwich Islands, St Helena, Turks & Caicos Islands | Free |
| Central America | Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama | Free |
| SADC EPA | Botswana, Eswatini, Lesotho, Mozambique, Namibia | Free |
| Eastern and Southern Africa States | Madagascar, Mauritius, Seychelles, Zimbabwe | Free |
| CPTPP | Brunei, Malaysia | Free |
| UK–Andorra agreement | Andorra | Free |
| UK–Albania agreement | Albania | Free |
| UK–Australia agreement | Australia | Free |
| UK–Canada agreement | Canada | Free |
| UK–Switzerland agreement | Switzerland | Free |
| UK–Côte d’Ivoire agreement | Côte d’Ivoire | Free |
| UK–Chile agreement | Chile | Free |
| UK–Cameroon agreement | Cameroon | Free |
| UK–Colombia agreement | Colombia | Free |
| UK–Ceuta & Melilla agreement | Ceuta & Melilla | Free |
| UK–Ecuador agreement | Ecuador | Free |
| UK–Egypt agreement | Egypt | Free |
| UK–Fiji agreement | Fiji | Free |
| UK–Faroe Islands agreement | Faroe Islands | Free |
| UK–Georgia agreement | Georgia | Free |
| UK–Ghana agreement | Ghana | Free |
| DCTS Standard | Indonesia | Free |
| UK–Israel agreement | Israel | Free |
| UK–India agreement | India | Free |
| UK–Iceland agreement | Iceland | Free |
| UK–Jordan agreement | Jordan | Free |
| UK–Japan agreement | Japan | Free |
| UK–Kenya agreement | Kenya | Free |
| UK–South Korea agreement | South Korea | Free |
| UK–Lebanon agreement | Lebanon | Free |
| UK–Liechtenstein agreement | Liechtenstein | Free |
| UK–Morocco agreement | Morocco | Free |
| UK–Moldova agreement | Moldova | Free |
| UK–North Macedonia agreement | North Macedonia | Free |
| UK–Mexico agreement | Mexico | Free |
| UK–Norway agreement | Norway | Free |
| UK–New Zealand agreement | New Zealand | Free |
| UK–Peru agreement | Peru | Free |
| UK–Papua New Guinea agreement | Papua New Guinea | Free |
| UK–Palestinian Territories agreement | Palestinian Territories | Free |
| UK–Serbia agreement | Serbia | Free |
| UK–Solomon Islands agreement | Solomon Islands | Free |
| UK–Singapore agreement | Singapore | Free |
| UK–San Marino agreement | San Marino | Free |
| UK–Tunisia agreement | Tunisia | Free |
| UK–Türkiye agreement | Türkiye | Free |
| UK–Ukraine agreement | Ukraine | Free |
| UK–Vietnam agreement | Vietnam | Free |
| UK–Samoa agreement | Samoa | Free |
| UK–Kosovo agreement | Kosovo | Free |
| UK–South Africa agreement | South Africa | Free |
UK: imports by month
Main suppliers, last 12 months
| Country | Value | Share | Change |
|---|---|---|---|
| £2.4m | 54% | +13.4% | |
| £1.3m | 28.7% | -6.4% | |
| £277k | 6.3% | +9% | |
| £226k | 5.1% | +370.5% | |
| £125k | 2.8% | -67% | |
| £33k | 0.7% | +41.8% | |
| £26k | 0.6% | — | |
| £24k | 0.6% | -37.5% |
Same subheading in other tariffs
World trade in 2024
Trade value (US$) no reported trade < US$84kUS$84k+US$377k+US$4m+> US$31m
Exports: 77
- China: US$184m
- France: US$35m
- India: US$31m
- United States: US$20m
- Netherlands: US$12m
- Italy: US$9m
- Germany: US$8m
- Cyprus: US$4m
- Japan: US$4m
- Switzerland: US$3m
- Spain: US$3m
- Türkiye: US$2m
- Belgium: US$2m
- Ireland: US$1m
- Poland: US$945k
- United Kingdom: US$493k
- South Korea: US$481k
- Singapore: US$390k
- Czechia: US$377k
- Denmark: US$375k
- Romania: US$372k
- Eswatini: US$306k
- Saudi Arabia: US$293k
- Taiwan: US$232k
- Brazil: US$221k
- Austria: US$208k
- Slovenia: US$200k
- Guatemala: US$199k
- Mauritania: US$174k
- Finland: US$154k
- Hong Kong SAR China: US$133k
- Bulgaria: US$126k
- Norway: US$114k
- Malaysia: US$110k
- Portugal: US$108k
- Costa Rica: US$85k
- Greece: US$84k
- Israel: US$80k
- Australia: US$80k
- Kenya: US$71k
- Indonesia: US$65k
- Colombia: US$53k
- Mexico: US$50k
- Thailand: US$44k
- South Africa: US$41k
- Hungary: US$39k
- Sweden: US$33k
- Canada: US$33k
- Egypt: US$30k
- Argentina: US$27k
- New Zealand: US$21k
- Estonia: US$17k
- Qatar: US$15k
- Latvia: US$15k
- Peru: US$15k
- Russia: US$14k
- Honduras: US$13k
- Pakistan: US$12k
- Lithuania: US$11k
- Luxembourg: US$7k
Trade value (US$) no reported trade < US$308kUS$308k+US$2m+US$7m+> US$12m
Imports: 163
- India: US$39m
- United States: US$18m
- Portugal: US$14m
- Germany: US$12m
- Vietnam: US$12m
- Japan: US$11m
- Brazil: US$11m
- Saudi Arabia: US$10m
- South Korea: US$10m
- Mexico: US$10m
- Pakistan: US$9m
- Spain: US$8m
- Taiwan: US$8m
- United Arab Emirates: US$8m
- Türkiye: US$7m
- Canada: US$7m
- Indonesia: US$7m
- Italy: US$6m
- United Kingdom: US$6m
- Netherlands: US$6m
- France: US$6m
- Greece: US$6m
- Thailand: US$5m
- Australia: US$5m
- Switzerland: US$4m
- Poland: US$4m
- Egypt: US$4m
- Belgium: US$4m
- Russia: US$3m
- Bangladesh: US$3m
- Chile: US$3m
- South Africa: US$3m
- Israel: US$3m
- Colombia: US$2m
- Malaysia: US$2m
- Philippines: US$2m
- Peru: US$2m
- Nigeria: US$2m
- China: US$2m
- Algeria: US$2m
- Singapore: US$1m
- Argentina: US$1m
- Oman: US$1m
- Romania: US$1m
- Denmark: US$1m
- Ireland: US$1m
- Guatemala: US$1m
- Morocco: US$1m
- Panama: US$1m
- Croatia: US$1m
- Austria: US$960k
- New Zealand: US$922k
- Honduras: US$891k
- Iran: US$836k
- Kuwait: US$813k
- Hong Kong SAR China: US$802k
- El Salvador: US$792k
- Norway: US$790k
- Slovenia: US$777k
- Czechia: US$768k
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | US$184m | 56.6% | |
| 2 | US$35m | 10.7% | |
| 3 | US$31m | 9.5% | |
| 4 | US$20m | 6.1% | |
| 5 | US$12m | 3.8% | |
| 6 | US$9m | 2.7% | |
| 7 | US$8m | 2.3% | |
| 8 | US$4m | 1.4% | |
| 9 | US$4m | 1.3% | |
| 10 | US$3m | 0.9% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | US$39m | 11.9% | |
| 2 | US$18m | 5.5% | |
| 3 | US$14m | 4.5% | |
| 4 | US$12m | 3.8% | |
| 5 | US$12m | 3.8% | |
| 6 | US$11m | 3.5% | |
| 7 | US$11m | 3.3% | |
| 8 | US$10m | 3.1% | |
| 9 | US$10m | 3.1% | |
| 10 | US$10m | 3.1% |
Import duty on this product around the world 165
The most-favoured-nation (MFN) duty each country applies to goods of this HS subheading: the average over its national tariff lines, with the lowest and highest line where they differ. Goods from countries with a trade agreement often pay less.
- 5%median duty
- 58number of duty-free countries (MFN)
- 45%highest: Bahamas, Bermuda, Cayman Islands
165
| Importing country | MFN duty | lines from – to | data year |
|---|---|---|---|
| 5% | 2018 · HS 2012 | ||
| 0% | 2023 | ||
| 15% | 2023 | ||
| 0% | 2023 · HS 2017 | ||
| 10% | 2021 · HS 2017 | ||
| 5% | 2021 · HS 2007 | ||
| 12% | 2023 · HS 2017 | ||
| 5% | 2023 | ||
| 6% | 2021 · HS 2012 | ||
| 0% | 2023 | ||
| 0% | 2023 · HS 2017 | ||
| 45% | 2022 | ||
| 5% | 2023 | ||
| 5% | 2023 · HS 2017 | ||
| 5% | 2022 · HS 2017 | ||
| 5% | 2021 · HS 2017 | ||
| 5% | 2023 | ||
| 5% | 2023 | ||
| 25% | 2023 | ||
| 10% | 2022 | ||
| 5% | 2023 · HS 2017 | ||
| 0% | 2022 | ||
| 0% | 2023 | ||
| 12% | 2023 · HS 2017 | ||
| 0% | 2023 · HS 2017 | ||
| 5% | 2023 | ||
| 0% | 2023 | ||
| 7% | 2023 · HS 2017 | ||
| 10% | 2023 | ||
| 0% | 2023 | ||
| 5% | 2023 · HS 2017 | ||
| 22% | 2021 · HS 2002 | ||
| 10% | 2023 | ||
| 10% | 2023 | ||
| 6% | 2023 · HS 2017 | ||
| 6.5% | 2023 | ||
| 0% | 2023 · HS 2017 | ||
| 20% | 2021 · HS 2017 | ||
| 10% | 2023 | ||
| 0% | 2022 · HS 2017 | ||
| 0% | 2023 | ||
| 5% | 2023 · HS 2017 | ||
| 10% | 2023 · HS 2017 | ||
| 0% | 2023 · HS 2017 | ||
| 0% | 2023 | ||
| 0% | 2023 · HS 2017 | ||
| 2% | 2019 · HS 2017 | ||
| 0% | 2022 | ||
| 10% | 2023 | ||
| 0% | 2023 | ||
| 10% | 2021 · HS 2017 | ||
| 6.5% | 2023 | ||
| 5% | 2023 | ||
| 8% | 2023 | ||
| 10% | 2023 | ||
| 5% | 2023 | ||
| 0% | 2022 · HS 2017 | ||
| 5% | 2023 | ||
| 12% | 2023 · HS 2017 | ||
| 5% | 2023 · HS 2012 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 5% | 2023 | ||
| 5% | 2023 · HS 2017 | ||
| 3.5% | 2020 · HS 2017 | ||
| 0% | 2023 | ||
| 0% | 2023 | ||
| 0% | 2023 | ||
| 7.5% | 2023 | ||
| 5% | 2023 | ||
| 5% | 2020 · HS 2017 | ||
| 0% | 2022 · HS 2017 | ||
| 0% | 2023 | ||
| 2% | 2023 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 0% | 2023 | ||
| 20% | 2023 · HS 2002 | ||
| 5% | 2023 | ||
| 5% | 2021 · HS 2017 | ||
| 5% | 2023 · HS 2017 | ||
| 5% | 2020 · HS 2017 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 5% | 2021 · HS 2017 | ||
| 0% | 2021 · HS 2017 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 0% | 2021 · HS 2017 | ||
| 0% | 2023 | ||
| 15% | 2023 | ||
| 5% | 2023 | ||
| 5% | 2023 · HS 2017 | ||
| 0% | 2023 | ||
| 0% | 2023 · HS 2017 | ||
| 4% | 2021 · HS 2017 | ||
| 6.5% | 2023 · HS 2017 | ||
| 5% | 2023 | ||
| 0% | 2023 · HS 2017 | ||
| 2.5% | 2023 | ||
| 2.5% | 2023 | ||
| 3% | 2023 · HS 2017 | ||
| 0% | 2023 | ||
| 10% | 2021 · HS 2017 | ||
| 10% | 2023 | ||
| 0% | 2023 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 5% | 2023 | ||
| 3% | 2023 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 0% | 2023 | ||
| 3% | 2023 · HS 2012 | ||
| 0% | 2017 · HS 2017 | ||
| 0% | 2023 | ||
| 0% | 2023 | ||
| 11% | 9% – 12% | 2023 · HS 2017 | |
| 0% | 2023 · HS 2017 | ||
| 1% | 2023 | ||
| 5% | 2023 | ||
| 5% | 2021 · HS 2017 | ||
| 0% | 2023 | ||
| 8% | 2020 · HS 2017 | ||
| 10% | 2019 · HS 2017 | ||
| 5% | 2023 | ||
| 5% | 2023 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 0% | 2023 · HS 2017 | ||
| 5% | 2023 · HS 2017 | ||
| 5% | 2023 · HS 2017 | ||
| 0% | 2023 | ||
| 6.5% | 2023 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 5% | 2023 · HS 2012 | ||
| 8% | 2021 · HS 2017 | ||
| 5% | 2023 | ||
| 3% | 2021 · HS 2017 | ||
| 5% | 2023 · HS 2007 | ||
| 0% | 2023 | ||
| 1% | 2020 · HS 2012 | ||
| 0% | 2021 · HS 2012 | ||
| 0% | 2023 | ||
| 0% | 2023 | ||
| 5% | 2023 | ||
| 15% | 2023 · HS 2017 | ||
| 0% | 2023 · HS 2012 | ||
| 6.5% | 2023 | ||
| 15% | 2017 · HS 2017 | ||
| 0% | 2023 | ||
| 0% | 2023 · HS 2017 | ||
| 5% | 2023 | ||
| 3% | 0% – 6% | 2023 | |
| 4.8% | 3.7% – 6% | 2023 | |
| 7% | 2% – 12% | 2023 · HS 2017 | |
| 0% | 2021 · HS 2017 | ||
| 5% | 2023 | ||
| 12% | 2023 · HS 2017 | ||
| 0% | 2023 | ||
| 6% | 2021 · HS 2012 | ||
| 5% | 2017 · HS 2017 | ||
| 0% | 2023 | ||
| 0.1% | 2023 |
Tariff data years 2017–2023; rates may have changed since. · UNCTAD TRAINS, accessed via WITS (World Bank)
Classifications and correspondences
Where this HS subheading sits in the United Nations' statistical classifications, and which codes it had in earlier editions of the Harmonized System.
- SITC Rev. 4
- 51392 Other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids & their derivatives.
- End use (BEC Rev. 5)
- Intermediate goods · BEC 211220
- CPC 2.1 product
- 34140 Carboxylic acids and their anhydrides, halides, peroxides and peroxyacids and their halogenated, sulphonated, nitrated or nitrosated derivatives, except salicylic acid and its salts and esters and their salts
- ISIC Rev. 4 activity
- 2011 Manufacture of basic chemicals
Earlier HS editions
| HS | Code | |
|---|---|---|
| 2017 | 2918.16 | unchanged |
| 2012 | 2918.16 | unchanged |
| 2007 | 2918.16 | unchanged |
| 2002 | 2918.16 | unchanged |
| 1996 | 2918.16 | unchanged |
| 1992 | 2918.16 | unchanged |
Correspondence tables of the United Nations Statistics Division (UNSD)
Binding rulings for similar goods 1
Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.
- N298279 U.S. CBP
The tariff classification of Calcium Gluconate and Magnesium Gluconate from China
Recent rule changes mentioning this code
Acts whose text cites this code or its heading. Check the act itself: a code can be cited for reasons other than a change of its duty.
-
İthalatta Haksız Rekabetin Önlenmesine İlişkin Tebliğ (No: 2026/31)
RG 14.10.2026 sayı 33400 · Tebliğ 2026/31 · Source: resmigazete.gov.tr
-
FR Doc. 2026-19498 · 91 FR 60360 · Source: federalregister.gov
-
FR Doc. 2026-14542 · 91 FR 45516 · Source: federalregister.gov
-
FR Doc. 2026-11158 · 91 FR 33854 · Source: federalregister.gov
-
Harmonized Tariff Schedule of the United States — 2026 HTS Revision 2
2026HTSRev2 · Source: hts.usitc.gov
In the UK Global Tariff, subheading 2918.16 covers 2 tariff lines and the duty is between 0% and 6%. 1 of them is duty-free.
The EU Combined Nomenclature has one tariff line for subheading 2918.16; the duty is 6.5%.
Goods from 174 countries can enter the UK at a preferential rate instead of the standard Free – 6%; 174 of them pay no duty at all, for example under DCTS Comprehensive or European Union.
In the UK, additional duty of 35% applies on top of the customs duty to goods from Belarus and Russia.
In the 12 months to August 2026, the UK imported these goods worth £4.4m (up 3% on the year before), at an average of £1.01 per kg; France supplied 54%, followed by China.
World trade in these goods reached US$324m in 2024, up 0.2% on 2023.
China was the largest exporter with 56.6% of the total, ahead of France.
Products classified here
Questions and answers
What is the HS code for gluconic acid, its salts and esters?
Gluconic acid, its salts and esters fall under HS subheading 2918.16, part of heading 2918, in section VI of the Harmonized System.
What is the import duty on gluconic acid, its salts and esters in the UK?
Under the UK Global Tariff, imports under 2918.16 from countries without a preferential agreement are charged at 0% to 6%, depending on the line. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on gluconic acid, its salts and esters in the EU?
Under the EU Combined Nomenclature, imports under 2918.16 from countries without a preferential agreement are charged at 6.5%. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most gluconic acid, its salts and esters?
China, with US$184m in 2024 (56.6% of world exports).
Which countries can export these goods to the UK duty-free?
174 countries pay no duty under a trade agreement or preference scheme, among them partners under DCTS Comprehensive, European Union, DCTS Enhanced. The goods must meet the agreement’s rules of origin and the importer needs proof of origin; otherwise the standard rate of Free – 6% applies. Pick a country above to see its rate.
Is there anti-dumping duty on these goods?
The UK charges additional duty of 35% on goods from Belarus and Russia. Lower rates apply to the named exporters listed in the measure.
Where does the UK import these goods from?
In the 12 months to August 2026, the largest suppliers were France (54%), China (29%) and Italy (6%), out of total imports of £4.4m.
Typical products
Everyday names, not part of the legal text.