Subheading · Section VI
2904.34: Perfluorooctane sulphonic acid, its salts and: potassium perfluorooctane sulphonate
Official description Potassium perfluorooctane sulphonate
- FreeUK
- 5.5%EU
- 20%Türkiye
- 3.7%USA
- US$1.1mWorld trade in 2024
Subheading 2904.34 belongs to heading 2904 (sulphonated, nitrated or nitrosated derivatives of hydrocarbons) in chapter 29.
The UK Global Tariff has one tariff line for subheading 2904.34; the duty is duty-free.
Subheading 2904.34 is a single line in the EU Combined Nomenclature, where the duty is 5.5%.
The Turkish Customs Tariff Schedule has one tariff line for subheading 2904.34; the statutory rate is 20%.
Subheading 2904.34 is a single line in the Harmonized Tariff Schedule of the United States, where the duty is 3.7%.
In 2024, countries exported these goods worth US$1.1m (+5% year on year).
The largest exporter was Japan (US$1m), followed by South Africa.
The biggest buyer was Taiwan, with imports of US$765.4k.
The United Kingdom imported US$4k, most of it from the Netherlands.
Duty rates compared
UK Free Third-country duty 1 tariff line 
EU 5.5% Third-country duty 1 tariff line 
Türkiye 20% Statutory rate (Law 474) 1 tariff line 
USA 3.7% General (MFN) 1 tariff line The Turkish schedule prints the statutory rate set under Customs Law 474. The rate applied at import is laid down in the Import Regime Decision and can be lower, or different by country of origin.
UK Global Tariff
UK lines →- 2904 34 00 00 Potassium perfluorooctane sulphonate Free
EU Combined Nomenclature
EU lines →- 2904 34 00 Potassium perfluorooctane sulphonate 5.5%—
Turkish Customs Tariff Schedule
Türkiye lines →This line has no official text in this language; it is shown in the language of its tariff.
- 2904.34.00.00.00 Potasyum perflorooktan sülfonat 20%
Harmonized Tariff Schedule of the United States
USA lines →- 2904.34.00.00 Potassium perfluorooctane sulfonate 3.7%kg
Special: reduced rates under trade agreements and preference programmes; the letters in brackets name the programmes (for example AU = Australia FTA, KR = Korea FTA).
World trade in 2024
Trade value (US$) no reported trade < US$3.7kUS$3.7k+US$16.3k+US$51.5k+> US$1m
Exports: 13
- Japan: US$1m
- South Africa: US$51.5k
- Germany: US$16.3k
- Russia: US$10.6k
- Netherlands: US$4.6k
- United States: US$3.7k
- Canada: US$2.9k
- Italy: US$1.5k
- Thailand: US$1.5k
- France: US$300
- Austria: US$200
- Czechia: US$100
- Hungary: US$0
Trade value (US$) no reported trade < US$800US$800+US$4k+US$50.7k+> US$765.4k
Imports: 26
- Taiwan: US$765.4k
- China: US$277.6k
- Tanzania: US$50.7k
- United States: US$14.6k
- Switzerland: US$6.8k
- Germany: US$4.6k
- United Kingdom: US$4k
- Japan: US$1.7k
- Philippines: US$1.5k
- France: US$1.2k
- South Korea: US$1.2k
- Netherlands: US$1.1k
- Malawi: US$800
- Austria: US$600
- Belgium: US$400
- Spain: US$300
- Slovenia: US$300
- South Africa: US$300
- Italy: US$200
- Slovakia: US$200
- United Arab Emirates: US$100
- Denmark: US$100
- Greece: US$100
- Sri Lanka: US$100
- Türkiye: US$100
- Romania: US$0
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 |  Japan | US$1m | 91.8% |
| 2 |  South Africa | US$51.5k | 4.5% |
| 3 |  Germany | US$16.3k | 1.4% |
| 4 |  Russia | US$10.6k | 0.9% |
| 5 |  Netherlands | US$4.6k | 0.4% |
| 6 | United States | US$3.7k | 0.3% |
| 7 |  Canada | US$2.9k | 0.3% |
| 8 |  Italy | US$1.5k | 0.1% |
| 9 |  Thailand | US$1.5k | 0.1% |
| 10 |  France | US$300 | 0% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 |  Taiwan | US$765.4k | 67.5% |
| 2 |  China | US$277.6k | 24.5% |
| 3 |  Tanzania | US$50.7k | 4.5% |
| 4 | United States | US$14.6k | 1.3% |
| 5 |  Switzerland | US$6.8k | 0.6% |
| 6 | Germany | US$4.6k | 0.4% |
| 7 | United Kingdom | US$4k | 0.4% |
| 8 | Japan | US$1.7k | 0.1% |
| 9 |  Philippines | US$1.5k | 0.1% |
| 10 | France | US$1.2k | 0.1% |
Questions and answers
What is the HS code for perfluorooctane sulphonic acid, its salts and: potassium perfluorooctane sulphonate?
Perfluorooctane sulphonic acid, its salts and: potassium perfluorooctane sulphonate fall under HS subheading 2904.34, part of heading 2904, in section VI of the Harmonized System.
What is the import duty on perfluorooctane sulphonic acid, its salts and in the UK?
Under the UK Global Tariff, imports under 2904.34 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 perfluorooctane sulphonic acid, its salts and in the EU?
Under the EU Combined Nomenclature, imports under 2904.34 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 perfluorooctane sulphonic acid, its salts and?
Japan, with US$1m in 2024 (91.8% of world exports).