Subheading · Section VI
2923.30: Quaternary ammonium salts and hydroxides: tetraethylammonium perfluorooctane sulphonate
Official description Tetraethylammonium perfluorooctane sulphonate
- 6%UK
- 6.5%EU
- 50%Türkiye
- 6.2%USA
- US$2.2mWorld trade in 2024
2923.30 is a six-digit subheading of heading 2923, quaternary ammonium salts and hydroxides, chapter 29.
Subheading 2923.30 is a single line in the UK Global Tariff, where the duty is 6%.
The EU Combined Nomenclature has one tariff line for subheading 2923.30; the duty is 6.5%.
Subheading 2923.30 is a single line in the Turkish Customs Tariff Schedule, where the statutory rate is 50%.
The Harmonized Tariff Schedule of the United States has one tariff line for subheading 2923.30; the duty is 6.2%.
World trade in these goods reached US$2.2m in 2024, down 25.5% on 2023.
Ireland was the largest exporter with 18.8% of the total, ahead of Germany.
The United States imported the most (US$306.7k).
The United Kingdom ranked 4th among 31 exporters with US$224.1k; its largest buyer was Norway.
The United Kingdom imported US$62.9k, most of it from Norway.
Duty rates compared
UK 6% Third-country duty 1 tariff line 
EU 6.5% Third-country duty 1 tariff line 
Türkiye 50% Statutory rate (Law 474) 1 tariff line 
USA 6.2% General (MFN) 1 tariff line The Turkish schedule prints the statutory rate set under Customs Law 474. The rate applied at import is laid down in the Import Regime Decision and can be lower, or different by country of origin.
UK Global Tariff
UK lines →- 2923 30 00 00 Tetraethylammonium perfluorooctane sulphonate 6%
EU Combined Nomenclature
EU lines →- 2923 30 00 Tetraethylammonium perfluorooctane sulphonate 6.5%—
Turkish Customs Tariff Schedule
Türkiye lines →This line has no official text in this language; it is shown in the language of its tariff.
- 2923.30.00.00.00 Tetraetilamonyum perfluorooktan sülfonat 50%
Harmonized Tariff Schedule of the United States
USA lines →- 2923.30.00.00 Tetraethylammonium perfluorooctane sulfonate 6.2%kg
Special: reduced rates under trade agreements and preference programmes; the letters in brackets name the programmes (for example AU = Australia FTA, KR = Korea FTA).
World trade in 2024
Trade value (US$) no reported trade < US$33kUS$33k+US$53.3k+US$305.6k+> US$420.4k
Exports: 31
- Ireland: US$420.4k
- Germany: US$396.4k
- United States: US$305.6k
- United Kingdom: US$224.1k
- Brazil: US$173.9k
- Netherlands: US$159k
- China: US$85.2k
- Czechia: US$53.3k
- Norway: US$47.5k
- India: US$47.1k
- Italy: US$43.3k
- Spain: US$40.8k
- South Korea: US$34.8k
- France: US$34.6k
- Switzerland: US$33k
- Saudi Arabia: US$32.8k
- Belgium: US$28.3k
- Finland: US$24.5k
- Australia: US$19.2k
- Poland: US$16.7k
- Japan: US$11.6k
- Singapore: US$3.4k
- Türkiye: US$2k
- South Africa: US$1.9k
- Denmark: US$1.6k
- Canada: US$400
- Slovenia: US$400
- Mexico: US$200
- Slovakia: US$100
- Austria: US$0
- Ukraine: US$0
Trade value (US$) no reported trade < US$11.4kUS$11.4k+US$54.9k+US$175k+> US$255k
Imports: 57
- United States: US$306.7k
- Norway: US$255k
- India: US$252.7k
- Australia: US$231.2k
- Peru: US$175k
- Belgium: US$138.2k
- Sweden: US$127.4k
- Italy: US$119k
- Türkiye: US$83.6k
- Spain: US$64.1k
- United Kingdom: US$62.9k
- Slovakia: US$54.9k
- Netherlands: US$47.9k
- Greece: US$42.1k
- Denmark: US$41.8k
- Canada: US$39.6k
- Cambodia: US$36.8k
- Yemen: US$32.8k
- China: US$26.3k
- Switzerland: US$19.3k
- Mexico: US$15.3k
- Poland: US$11.6k
- South Korea: US$11.4k
- Germany: US$8.5k
- Hungary: US$7.8k
- Tunisia: US$5.1k
- France: US$3.5k
- Slovenia: US$3.2k
- Malaysia: US$2.8k
- Czechia: US$2.2k
- Austria: US$2k
- Azerbaijan: US$2k
- Kuwait: US$1.7k
- Mali: US$1.3k
- New Zealand: US$1.2k
- Philippines: US$800
- Nepal: US$600
- Luxembourg: US$500
- Zimbabwe: US$500
- Barbados: US$400
- South Africa: US$400
- Indonesia: US$300
- Ukraine: US$300
- Taiwan: US$200
- Ireland: US$100
- Thailand: US$100
- Bulgaria: US$0
- Bahamas: US$0
- Bermuda: US$0
- Croatia: US$0
- Israel: US$0
- Japan: US$0
- Latvia: US$0
- Portugal: US$0
- Romania: US$0
- Eswatini: US$0
- Uzbekistan: US$0
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 |  Ireland | US$420.4k | 18.8% |
| 2 |  Germany | US$396.4k | 17.7% |
| 3 | United States | US$305.6k | 13.6% |
| 4 | United Kingdom | US$224.1k | 10% |
| 5 |  Brazil | US$173.9k | 7.8% |
| 6 |  Netherlands | US$159k | 7.1% |
| 7 |  China | US$85.2k | 3.8% |
| 8 |  Czechia | US$53.3k | 2.4% |
| 9 |  Norway | US$47.5k | 2.1% |
| 10 |  India | US$47.1k | 2.1% |
Questions and answers
What is the HS code for quaternary ammonium salts and hydroxides: tetraethylammonium perfluorooctane sulphonate?
Quaternary ammonium salts and hydroxides: tetraethylammonium perfluorooctane sulphonate fall under HS subheading 2923.30, part of heading 2923, in section VI of the Harmonized System.
What is the import duty on quaternary ammonium salts and hydroxides in the UK?
Under the UK Global Tariff, imports under 2923.30 from countries without a preferential agreement are charged at 6%. Preferential rates, anti-dumping duties and VAT are not included.
What is the import duty on quaternary ammonium salts and hydroxides in the EU?
Under the EU Combined Nomenclature, imports under 2923.30 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 quaternary ammonium salts and hydroxides?
Ireland, with US$420.4k in 2024 (18.8% of world exports).