Heading · Chapter 28
2832: Sulphites; thiosulphates
3 subheadings make up heading 2832 in chapter 28 (inorganic chemicals).
Duty rates compared
UK 4% Third-country duty 3 tariff lines 
EU 5.5% Third-country duty 3 tariff lines 
Türkiye 5.5% Third-country duty 9 tariff lines 
USA 1.5% – 3.1% General (MFN) 4 tariff lines · average 2.3% 
Canada Free Third-country duty 3 tariff lines 
Mexico Free – 7% Third-country duty 4 tariff lines · average 5.3% 
Brazil Free – 9% Third-country duty 6 tariff lines · average 6% 
Argentina Free – 9% Third-country duty 7 tariff lines · average 6.4% 
Peru Free Third-country duty 5 tariff lines 
New Zealand Free Third-country duty 3 tariff lines 
Japan 5.4% Third-country duty 3 tariff lines 
Taiwan 5% Third-country duty 4 tariff lines 
GCC 5% Third-country duty 12 tariff lines 
Switzerland Free Third-country duty 3 tariff lines 
Norway Free Third-country duty 3 tariff lines 
North Macedonia 5% Third-country duty 3 tariff lines 
Nigeria 5% Third-country duty 3 tariff lines Subheadings 3
EU: imports by month
World trade in 2024
Trade value (US$) no reported trade < US$225kUS$225k+US$1m+US$7m+> US$58m
Exports: 108
- China: US$183m
- Germany: US$98m
- Italy: US$78m
- United States: US$58m
- Thailand: US$42m
- Türkiye: US$27m
- India: US$26m
- Belgium: US$23m
- France: US$12m
- Vietnam: US$9m
- Spain: US$7m
- Japan: US$7m
- Canada: US$6m
- Netherlands: US$6m
- United Kingdom: US$5m
- Saudi Arabia: US$4m
- Finland: US$4m
- Zambia: US$3m
- United Arab Emirates: US$3m
- Slovakia: US$2m
- Czechia: US$2m
- Denmark: US$2m
- Russia: US$2m
- South Africa: US$1m
- Taiwan: US$1m
- Hungary: US$1m
- Côte d’Ivoire: US$951k
- Hong Kong SAR China: US$947k
- Iran: US$920k
- Sweden: US$884k
- Brazil: US$864k
- Colombia: US$786k
- Argentina: US$775k
- Lithuania: US$748k
- Norway: US$747k
- Austria: US$723k
- Chile: US$684k
- Bulgaria: US$657k
- Australia: US$656k
- Malaysia: US$651k
- Poland: US$638k
- Singapore: US$541k
- Portugal: US$540k
- South Korea: US$502k
- Sri Lanka: US$441k
- Philippines: US$389k
- Peru: US$343k
- Switzerland: US$332k
- Egypt: US$293k
- Greece: US$282k
- Indonesia: US$267k
- Slovenia: US$225k
- Mozambique: US$181k
- Congo - Kinshasa: US$173k
- Serbia: US$162k
- Mexico: US$141k
- Tanzania: US$131k
- Kenya: US$131k
- Romania: US$123k
- Madagascar: US$111k
Trade value (US$) no reported trade < US$501kUS$501k+US$4m+US$8m+> US$22m
Imports: 197
- Congo - Kinshasa: US$65m
- United States: US$46m
- Mexico: US$42m
- France: US$36m
- Canada: US$24m
- Brazil: US$22m
- Spain: US$20m
- South Africa: US$19m
- Australia: US$18m
- South Korea: US$16m
- Ecuador: US$14m
- United Kingdom: US$14m
- Netherlands: US$13m
- Indonesia: US$12m
- Zambia: US$11m
- Peru: US$11m
- Philippines: US$10m
- Belgium: US$10m
- India: US$9m
- Chile: US$8m
- Tanzania: US$7m
- Argentina: US$7m
- Türkiye: US$7m
- Germany: US$7m
- Egypt: US$7m
- Sweden: US$6m
- Vietnam: US$6m
- Bangladesh: US$6m
- Thailand: US$6m
- Malaysia: US$6m
- Portugal: US$5m
- Saudi Arabia: US$5m
- Ukraine: US$5m
- Poland: US$5m
- Russia: US$5m
- Kazakhstan: US$5m
- Italy: US$5m
- Colombia: US$4m
- Taiwan: US$4m
- Japan: US$4m
- United Arab Emirates: US$4m
- Norway: US$4m
- Eritrea: US$4m
- Kuwait: US$4m
- Switzerland: US$4m
- Austria: US$4m
- Uruguay: US$4m
- Pakistan: US$4m
- Ireland: US$4m
- Angola: US$4m
- China: US$3m
- Denmark: US$3m
- Senegal: US$3m
- Romania: US$3m
- Laos: US$3m
- Papua New Guinea: US$3m
- Guinea: US$3m
- Singapore: US$3m
- Cambodia: US$3m
- Morocco: US$3m
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 |  China | US$183m | 27.4% |
| 2 |  Germany | US$98m | 14.6% |
| 3 |  Italy | US$78m | 11.6% |
| 4 | United States | US$58m | 8.7% |
| 5 |  Thailand | US$42m | 6.3% |
| 6 | Türkiye | US$27m | 4.1% |
| 7 |  India | US$26m | 3.9% |
| 8 |  Belgium | US$23m | 3.5% |
| 9 |  France | US$12m | 1.8% |
| 10 |  Vietnam | US$9m | 1.4% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 |  Congo - Kinshasa | US$65m | 9.7% |
| 2 | United States | US$46m | 6.9% |
| 3 | Mexico | US$42m | 6.3% |
| 4 | France | US$36m | 5.4% |
| 5 | Canada | US$24m | 3.5% |
| 6 | Brazil | US$22m | 3.3% |
| 7 |  Spain | US$20m | 3% |
| 8 |  South Africa | US$19m | 2.8% |
| 9 |  Australia | US$18m | 2.7% |
| 10 |  South Korea | US$16m | 2.4% |
In the UK Global Tariff, heading 2832 covers 3 tariff lines and the duty is 4%.
The EU Combined Nomenclature divides heading 2832 into 3 tariff lines; the duty is 5.5%.
In the Turkish Customs Tariff Schedule, heading 2832 covers 9 tariff lines and the duty is 5.5%.
The Harmonized Tariff Schedule of the United States divides heading 2832 into 4 tariff lines; the duty is between 1.5% and 3.1% (average 2.3%).
In the Customs Tariff of Canada, heading 2832 covers 3 tariff lines and the duty is duty-free.
The Mexican Tariff (TIGIE) divides heading 2832 into 4 tariff lines; the duty is between 0% and 7% (average 5.3%). 1 of them is duty-free.
In the Brazilian Tariff (NCM/TEC), heading 2832 covers 6 tariff lines and the duty is between 0% and 9%. 2 of them are duty-free.
The Argentine Tariff (NCM-SIM) divides heading 2832 into 7 tariff lines; the duty is between 0% and 9% (average 6.4%). 2 of them are duty-free.
In the Customs Tariff of Peru, heading 2832 covers 5 tariff lines and the duty is duty-free.
The Working Tariff Document of New Zealand divides heading 2832 into 3 tariff lines; the duty is duty-free.
In the Customs Tariff Schedules of Japan, heading 2832 covers 3 tariff lines and the duty is 5.4%.
The Customs Import Tariff of Taiwan divides heading 2832 into 4 tariff lines; the duty is 5%.
In the GCC Common Customs Tariff, heading 2832 covers 12 tariff lines and the duty is 5%.
The Swiss Customs Tariff (Tares) divides heading 2832 into 3 tariff lines; the duty is duty-free.
In the Customs Tariff of Norway, heading 2832 covers 3 tariff lines and the duty is duty-free.
The Customs Tariff of North Macedonia divides heading 2832 into 3 tariff lines; the duty is 5%.
In the ECOWAS Common External Tariff (Nigeria), heading 2832 covers 3 tariff lines and the duty is 5%.
World trade in heading 2832 goods reached US$670m in 2024, up 2.5% on 2023.
China was the largest exporter with 27.4% of the total, ahead of Germany.
The Congo - Kinshasa imported the most (US$65m).
The United Kingdom ranked 15th among 108 exporters with US$5m.
The United Kingdom imported US$14m.
Products classified here
Questions and answers
What is the HS code for sulphites; thiosulphates?
Sulphites; thiosulphates fall under HS heading 2832, part of chapter 28, in section VI of the Harmonized System.
What is the import duty on sulphites; thiosulphates in the UK?
Under the UK Global Tariff, imports under 2832 from countries without a preferential agreement are charged at 4%. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on sulphites; thiosulphates in the EU?
Under the EU Combined Nomenclature, imports under 2832 from countries without a preferential agreement are charged at 5.5%. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most sulphites; thiosulphates?
China, with US$183m in 2024 (27.4% of world exports).