Heading · Chapter 29
2935: Sulphonamides
6 subheadings make up heading 2935 in chapter 29 (organic chemicals).
Duty rates compared
UK Free – 6% Third-country duty 43 tariff lines · average 5.7% 
EU Free – 6.5% Third-country duty 7 tariff lines · average 5.6% 
Türkiye Free – 6.5% Third-country duty 18 tariff lines · average 6.1% 
USA Free – 6.5% General (MFN) 19 tariff lines · average 4.8% 
Canada Free Third-country duty 6 tariff lines 
Mexico Free – 5% Third-country duty 43 tariff lines · average 0.5% 
Brazil Free – 12.6% Third-country duty 24 tariff lines · average 4.1% 
Argentina Free – 12.6% Third-country duty 41 tariff lines · average 2.4% 
Peru Free Third-country duty 7 tariff lines 
New Zealand Free Third-country duty 6 tariff lines 
Japan 3.9% Third-country duty 6 tariff lines 
Taiwan 5% Third-country duty 13 tariff lines 
GCC 5% Third-country duty 6 tariff lines 
Switzerland Free Third-country duty 6 tariff lines 
Norway Free Third-country duty 6 tariff lines 
North Macedonia Free – 5% Third-country duty 7 tariff lines · average 0.7% 
Nigeria 5% Third-country duty 6 tariff lines Subheadings 6
- 2935.10Sulphonamides, n-Methylperfluorooctane sulphonamide
- 2935.20Sulphonamides, n-Ethylperfluorooctane sulphonamide
- 2935.30Sulphonamides, n-Ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide
- 2935.40Sulphonamides, n-(2-Hydroxyethyl)-N-methylperfluorooctane sulphonamide
- 2935.50Sulphonamides, other perfluorooctane sulphonamides
- 2935.90Sulphonamides, otherOther sulphonamides
EU: imports by month
World trade in 2024
Trade value (US$) no reported trade < US$523.8kUS$523.8k+US$10.8m+US$183.4m+> US$681.4m
Exports: 87
- Switzerland: US$2.7bn
- Ireland: US$2.6bn
- India: US$681.4m
- China: US$665.1m
- Singapore: US$423.4m
- Belgium: US$290.3m
- France: US$195.7m
- United States: US$191.7m
- Netherlands: US$183.4m
- Germany: US$148.5m
- United Kingdom: US$128.2m
- Italy: US$98.7m
- South Korea: US$82.1m
- Spain: US$69.1m
- Japan: US$55.8m
- Slovenia: US$44.5m
- Croatia: US$17.4m
- Ukraine: US$12.4m
- Hungary: US$12m
- Canada: US$11.1m
- Israel: US$10.8m
- Taiwan: US$10.2m
- Poland: US$10.1m
- Portugal: US$9.7m
- Austria: US$8.9m
- Finland: US$6.8m
- Czechia: US$5.6m
- Indonesia: US$5.6m
- Hong Kong SAR China: US$4.9m
- Brazil: US$4.5m
- Greece: US$4.4m
- Kuwait: US$1.4m
- Venezuela: US$1.1m
- Cambodia: US$875.5k
- Lithuania: US$734k
- Argentina: US$724.1k
- Serbia: US$692.7k
- Cyprus: US$655k
- Luxembourg: US$606.6k
- Mexico: US$532.7k
- Romania: US$523.8k
- Türkiye: US$477.3k
- Malta: US$405.1k
- South Africa: US$391.5k
- Guatemala: US$356.5k
- Armenia: US$289.1k
- Australia: US$258.7k
- Latvia: US$244.6k
- Denmark: US$243.7k
- Malaysia: US$239.4k
- Estonia: US$168.9k
- Russia: US$160.3k
- Sweden: US$152k
- Philippines: US$145k
- Slovakia: US$111.6k
- Bulgaria: US$67.5k
- Panama: US$63.4k
- Peru: US$46.3k
- Vietnam: US$45.7k
- Thailand: US$42.9k
Trade value (US$) no reported trade < US$1.1mUS$1.1m+US$9.5m+US$89.1m+> US$484.8m
Imports: 169
- United States: US$2bn
- Slovenia: US$1.6bn
- Spain: US$840.3m
- Germany: US$551.6m
- Italy: US$484.8m
- Belgium: US$335.7m
- France: US$334.9m
- China: US$290.1m
- Canada: US$249.5m
- Japan: US$229.8m
- Netherlands: US$175.6m
- Brazil: US$131.3m
- Russia: US$120.2m
- Argentina: US$102.6m
- India: US$91m
- Egypt: US$89.3m
- Switzerland: US$89.1m
- Ireland: US$85.5m
- South Korea: US$78.8m
- Poland: US$61.2m
- Portugal: US$42.9m
- Panama: US$40m
- United Kingdom: US$38.5m
- Greece: US$31.1m
- Türkiye: US$31m
- Mexico: US$24.7m
- Hungary: US$23.7m
- Pakistan: US$22.2m
- Bangladesh: US$18m
- Vietnam: US$18m
- Algeria: US$16.7m
- Indonesia: US$16.5m
- Romania: US$15.1m
- United Arab Emirates: US$14.6m
- Singapore: US$13.1m
- Saudi Arabia: US$12.7m
- Latvia: US$12.2m
- Colombia: US$12.2m
- Taiwan: US$11.7m
- Australia: US$11.3m
- Kenya: US$9.6m
- Ukraine: US$9.5m
- Morocco: US$9.5m
- Thailand: US$8.4m
- Czechia: US$8.2m
- Israel: US$8.1m
- Sweden: US$7.7m
- Uruguay: US$7.5m
- Nigeria: US$6.9m
- Hong Kong SAR China: US$6.5m
- Malaysia: US$6.5m
- Paraguay: US$5.9m
- Serbia: US$5.7m
- Finland: US$5.6m
- Jordan: US$5.1m
- Iran: US$4.8m
- Bulgaria: US$3.8m
- Peru: US$3.7m
- Croatia: US$3.6m
- Ghana: US$3.6m
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | Switzerland | US$2.7bn | 31% |
| 2 |  Ireland | US$2.6bn | 29.6% |
| 3 |  India | US$681.4m | 7.9% |
| 4 |  China | US$665.1m | 7.7% |
| 5 |  Singapore | US$423.4m | 4.9% |
| 6 |  Belgium | US$290.3m | 3.4% |
| 7 |  France | US$195.7m | 2.3% |
| 8 | United States | US$191.7m | 2.2% |
| 9 |  Netherlands | US$183.4m | 2.1% |
| 10 |  Germany | US$148.5m | 1.7% |
In the UK Global Tariff, heading 2935 covers 43 tariff lines and the duty is between 0% and 6%. 2 of them are duty-free.
The EU Combined Nomenclature divides heading 2935 into 7 tariff lines; the duty is between 0% and 6.5% (average 5.6%). 1 of them is duty-free.
In the Turkish Customs Tariff Schedule, heading 2935 covers 18 tariff lines and the duty is between 0% and 6.5%. 1 of them is duty-free.
The Harmonized Tariff Schedule of the United States divides heading 2935 into 19 tariff lines; the duty is between 0% and 6.5% (average 4.8%). 5 of them are duty-free.
In the Customs Tariff of Canada, heading 2935 covers 6 tariff lines and the duty is duty-free.
The Mexican Tariff (TIGIE) divides heading 2935 into 43 tariff lines; the duty is between 0% and 5% (average 0.5%). 39 of them are duty-free.
In the Brazilian Tariff (NCM/TEC), heading 2935 covers 24 tariff lines and the duty is between 0% and 12.6%. 16 of them are duty-free.
The Argentine Tariff (NCM-SIM) divides heading 2935 into 41 tariff lines; the duty is between 0% and 12.6% (average 2.4%). 33 of them are duty-free.
In the Customs Tariff of Peru, heading 2935 covers 7 tariff lines and the duty is duty-free.
The Working Tariff Document of New Zealand divides heading 2935 into 6 tariff lines; the duty is duty-free.
In the Customs Tariff Schedules of Japan, heading 2935 covers 6 tariff lines and the duty is 3.9%.
The Customs Import Tariff of Taiwan divides heading 2935 into 13 tariff lines; the duty is 5%.
In the GCC Common Customs Tariff, heading 2935 covers 6 tariff lines and the duty is 5%.
The Swiss Customs Tariff (Tares) divides heading 2935 into 6 tariff lines; the duty is duty-free.
In the Customs Tariff of Norway, heading 2935 covers 6 tariff lines and the duty is duty-free.
The Customs Tariff of North Macedonia divides heading 2935 into 7 tariff lines; the duty is between 0% and 5% (average 0.7%). 6 of them are duty-free.
In the ECOWAS Common External Tariff (Nigeria), heading 2935 covers 6 tariff lines and the duty is 5%.
World trade in heading 2935 goods reached US$8.6bn in 2024, up 5.5% on 2023.
Switzerland was the largest exporter with 31% of the total, ahead of Ireland.
The United States imported the most (US$2bn).
The United Kingdom ranked 11th among 87 exporters with US$128.2m.
The United Kingdom imported US$38.5m.
Products classified here
Questions and answers
What is the HS code for sulphonamides?
Sulphonamides fall under HS heading 2935, part of chapter 29, in section VI of the Harmonized System.
What is the import duty on sulphonamides in the UK?
Under the UK Global Tariff, imports under 2935 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 sulphonamides in the EU?
Under the EU Combined Nomenclature, imports under 2935 from countries without a preferential agreement are charged at 0% to 6.5%, depending on the line. Preferential rates, anti-dumping duties and VAT are not included.
Which country exports the most sulphonamides?
Switzerland, with US$2.7bn in 2024 (31% of world exports).