Subheading · Chapter 39 · Heading 3912
3912.31: Carboxymethylcellulose and its salts
3912.31 is a six-digit subheading of heading 3912, cellulose and its chemical derivatives, chapter 39.
What you pay
Importing into UK
Rates by national line · UK Global Tariff
UK lines →- 3912 31 00 00 Carboxymethylcellulose and its salts 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 1
- Additional dutyAdditional duties 35%
- Applies to goods from
- Belarus, Russia
- Legal act
- 2022 No. 833
- Documents
- 9018
Import requirements 2
- Import controlRestriction on entry into free circulation
- Applies to goods from
- Ukraine
- Legal act
- S.I. 2022/395
- Documents
- 9009
- 9010
- 9017
- Import controlImport control - Waste
- Applies to goods from
- all countries
- Legal act
- S.I. 2019/590
- Documents
- C672 Information document accompanying shipments of waste as mentioned in Regulation (EU) 2024/1157 – Article 18 and Annex VII
- C669 Notification document as mentioned in Regulation (EU) 2024/1157 - Article 5 and Annex IA
- Y923 Product not subjected to the provisions of Regulation (EU) 2024/1157
- C670 Movement document as mentioned in Regulation (EU) 2024/1157 – Article 5 and Annex IB
Preferential rates by country
| Agreement or scheme | Countries | Rate |
|---|---|---|
| standard rate (no agreement) | — | Free |
| 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 |
|---|---|---|---|
 France | £5.9m | 39.6% | +44% |
 Finland | £3.1m | 20.8% | -9.9% |
 Germany | £2m | 13.1% | +36.4% |
 China | £1.8m | 11.9% | +129.7% |
 Italy | £597k | 4% | +14.1% |
 Netherlands | £595k | 4% | +19.9% |
 Brazil | £398k | 2.7% | -12.8% |
 Türkiye | £265k | 1.8% | -43% |
Same subheading in other tariffs
EUWorld trade in 2024
Trade value (US$) no reported trade < US$218.9kUS$218.9k+US$2.2m+US$28.4m+> US$90.7m
Exports: 102
- China: US$291.1m
- Finland: US$164.1m
- Netherlands: US$90.7m
- Türkiye: US$76.8m
- Germany: US$75.4m
- France: US$73.6m
- Japan: US$50.7m
- United States: US$33.7m
- Italy: US$32.5m
- South Africa: US$28.4m
- Colombia: US$23.4m
- Mexico: US$22.6m
- Ireland: US$21.7m
- India: US$20.8m
- Taiwan: US$20m
- Brazil: US$13m
- Austria: US$9.3m
- Belgium: US$8.4m
- Uzbekistan: US$7.3m
- Denmark: US$5.7m
- Lebanon: US$4.7m
- Spain: US$4.4m
- South Korea: US$3.2m
- Eswatini: US$2.2m
- Poland: US$2.2m
- Russia: US$1.7m
- Jordan: US$1.6m
- Sweden: US$1.5m
- Thailand: US$1.5m
- Singapore: US$1.4m
- Czechia: US$1.4m
- Switzerland: US$1.2m
- United Kingdom: US$1.1m
- Hungary: US$871.3k
- Australia: US$787.6k
- Canada: US$695.6k
- Indonesia: US$613.2k
- United Arab Emirates: US$548k
- Costa Rica: US$543.7k
- Bosnia & Herzegovina: US$524.4k
- Malaysia: US$516.5k
- Kazakhstan: US$434.1k
- Greece: US$431k
- Guatemala: US$397.8k
- Saudi Arabia: US$377k
- Romania: US$328.1k
- Norway: US$310.4k
- Mauritius: US$291.2k
- Hong Kong SAR China: US$288.9k
- Bulgaria: US$218.9k
- Moldova: US$212.5k
- Slovenia: US$206k
- Portugal: US$205.9k
- Serbia: US$198.6k
- Kuwait: US$180.3k
- Ukraine: US$168.7k
- Kenya: US$132.2k
- Angola: US$122k
- Pakistan: US$112.2k
- Algeria: US$111.7k
Trade value (US$) no reported trade < US$1.1mUS$1.1m+US$6.6m+US$19.3m+> US$33.8m
Imports: 171
- United States: US$120.9m
- India: US$88.6m
- China: US$53.4m
- Germany: US$44.5m
- South Africa: US$39.4m
- Japan: US$33.8m
- Brazil: US$31.1m
- Ireland: US$27.7m
- Netherlands: US$27.6m
- Indonesia: US$26.7m
- Zambia: US$26m
- Thailand: US$25.5m
- Italy: US$23.9m
- Russia: US$22m
- Canada: US$20.6m
- South Korea: US$19.6m
- Nigeria: US$19.3m
- Poland: US$19.1m
- Vietnam: US$18.6m
- Mexico: US$17.8m
- Zimbabwe: US$17.3m
- Hungary: US$16.9m
- Spain: US$16.6m
- United Kingdom: US$16.1m
- Saudi Arabia: US$15.8m
- Peru: US$15.7m
- Taiwan: US$14.7m
- Egypt: US$14.6m
- United Arab Emirates: US$14.2m
- Pakistan: US$11.4m
- Bangladesh: US$10.9m
- Philippines: US$10.9m
- Türkiye: US$10.3m
- Argentina: US$10m
- France: US$9.9m
- Denmark: US$9.6m
- Austria: US$9.2m
- Malaysia: US$8m
- Australia: US$8m
- Czechia: US$7.4m
- Algeria: US$7.4m
- Chile: US$6.6m
- Belgium: US$6.5m
- Sweden: US$6.3m
- Greece: US$5.6m
- Kazakhstan: US$5m
- Serbia: US$4.7m
- Singapore: US$4.6m
- Dominican Republic: US$4.6m
- Ukraine: US$4.5m
- Congo - Brazzaville: US$4.4m
- Switzerland: US$4.3m
- Iraq: US$4.2m
- Romania: US$3.6m
- Jordan: US$3.4m
- Libya: US$3.3m
- Morocco: US$3m
- Colombia: US$3m
- Ecuador: US$2.9m
- Norway: US$2.9m
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | China | US$291.1m | 26.3% |
| 2 | Finland | US$164.1m | 14.8% |
| 3 | Netherlands | US$90.7m | 8.2% |
| 4 | Türkiye | US$76.8m | 6.9% |
| 5 | Germany | US$75.4m | 6.8% |
| 6 | France | US$73.6m | 6.6% |
| 7 |  Japan | US$50.7m | 4.6% |
| 8 |  United States | US$33.7m | 3% |
| 9 | Italy | US$32.5m | 2.9% |
| 10 |  South Africa | US$28.4m | 2.6% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | United States | US$120.9m | 10.9% |
| 2 |  India | US$88.6m | 8% |
| 3 | China | US$53.4m | 4.8% |
| 4 | Germany | US$44.5m | 4% |
| 5 | South Africa | US$39.4m | 3.6% |
| 6 | Japan | US$33.8m | 3% |
| 7 | Brazil | US$31.1m | 2.8% |
| 8 |  Ireland | US$27.7m | 2.5% |
| 9 | Netherlands | US$27.6m | 2.5% |
| 10 |  Indonesia | US$26.7m | 2.4% |
Subheading 3912.31 is a single line in the UK Global Tariff, where the duty is duty-free.
The EU Combined Nomenclature has one tariff line for subheading 3912.31; the duty is 6.5%.
Goods from 174 countries can enter the UK at a preferential rate instead of the standard Free; 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 £15m (up 22% on the year before), at an average of £3.56 per kg; France supplied 40%, followed by Finland.
World trade in these goods reached US$1.1bn in 2024, down 2.5% on 2023.
China was the largest exporter with 26.3% of the total, ahead of Finland.
Questions and answers
What is the HS code for carboxymethylcellulose and its salts?
Carboxymethylcellulose and its salts fall under HS subheading 3912.31, part of heading 3912, in section VII of the Harmonized System.
What is the import duty on carboxymethylcellulose and its salts in the UK?
Under the UK Global Tariff, imports under 3912.31 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on carboxymethylcellulose and its salts in the EU?
Under the EU Combined Nomenclature, imports under 3912.31 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 carboxymethylcellulose and its salts?
China, with US$291.1m in 2024 (26.3% 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 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 (40%), Finland (21%) and Germany (13%), out of total imports of £15m.