Subheading · Section VI
2923.40: Quaternary ammonium salts and hydroxides: didecyldimethylammonium perfluorooctane sulphonate
Official description Didecyldimethylammonium perfluorooctane sulphonate
- 6%UK
- 6.5%EU
- 50%Türkiye
- 6.2%USA
- US$1.3mWorld trade in 2024
Subheading 2923.40 belongs to heading 2923 (quaternary ammonium salts and hydroxides) in chapter 29.
The UK Global Tariff has one tariff line for subheading 2923.40; the duty is 6%.
Subheading 2923.40 is a single line in the EU Combined Nomenclature, where the duty is 6.5%.
The Turkish Customs Tariff Schedule has one tariff line for subheading 2923.40; the statutory rate is 50%.
Subheading 2923.40 is a single line in the Harmonized Tariff Schedule of the United States, where the duty is 6.2%.
In 2024, countries exported these goods worth US$1.3m (−36.1% year on year).
The largest exporter was Germany (US$872.9k), followed by China.
The biggest buyer was the Netherlands, with imports of US$944.1k.
The United Kingdom ranked 9th among 16 exporters with US$6.6k; its largest buyer was Belgium.
Duty rates compared
UK 6% Third-country duty 1 tariff line 
EU 6.5% Third-country duty 1 tariff line 
Türkiye 50% Statutory rate (Law 474) 1 tariff line 
USA 6.2% General (MFN) 1 tariff line The Turkish schedule prints the statutory rate set under Customs Law 474. The rate applied at import is laid down in the Import Regime Decision and can be lower, or different by country of origin.
UK Global Tariff
UK lines →- 2923 40 00 00 Didecyldimethylammonium perfluorooctane sulphonate 6%
EU Combined Nomenclature
EU lines →- 2923 40 00 Didecyldimethylammonium perfluorooctane sulphonate 6.5%—
Turkish Customs Tariff Schedule
Türkiye lines →This line has no official text in this language; it is shown in the language of its tariff.
- 2923.40.00.00.00 Didesildimetilamonyum perfluorooktan sülfonat 50%
Harmonized Tariff Schedule of the United States
USA lines →- 2923.40.00.00 Didecylmethylammonium perfluorooctane sulfonate 6.2%kg
Special: reduced rates under trade agreements and preference programmes; the letters in brackets name the programmes (for example AU = Australia FTA, KR = Korea FTA).
World trade in 2024
Trade value (US$) no reported trade < US$9.5kUS$9.5k+US$60.2k+US$109.7k+> US$872.9k
Exports: 16
- Germany: US$872.9k
- China: US$109.7k
- Belgium: US$71.9k
- India: US$60.2k
- Portugal: US$47.6k
- France: US$45.6k
- United States: US$20.9k
- Netherlands: US$9.5k
- United Kingdom: US$6.6k
- Japan: US$3.9k
- Malaysia: US$2.8k
- Canada: US$1.1k
- Sweden: US$600
- South Korea: US$300
- Singapore: US$200
- Argentina: US$0
Trade value (US$) no reported trade < US$3.6kUS$3.6k+US$6.4k+US$73.2k+> US$944.1k
Imports: 27
- Netherlands: US$944.1k
- South Africa: US$94.9k
- Egypt: US$73.2k
- Angola: US$47.6k
- Türkiye: US$45.2k
- Mexico: US$8.8k
- South Korea: US$6.4k
- Belgium: US$5.7k
- Dominican Republic: US$5.7k
- Indonesia: US$4.4k
- Germany: US$4.1k
- Malaysia: US$3.9k
- Sweden: US$3.6k
- Gibraltar: US$2k
- France: US$1.1k
- Austria: US$700
- Norway: US$600
- Bulgaria: US$400
- Spain: US$400
- Canada: US$300
- United States: US$300
- India: US$100
- Italy: US$100
- Japan: US$100
- Mauritius: US$100
- Morocco: US$0
- Thailand: US$0
Top exporters
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 |  Germany | US$872.9k | 69.6% |
| 2 |  China | US$109.7k | 8.7% |
| 3 |  Belgium | US$71.9k | 5.7% |
| 4 |  India | US$60.2k | 4.8% |
| 5 |  Portugal | US$47.6k | 3.8% |
| 6 |  France | US$45.6k | 3.6% |
| 7 | United States | US$20.9k | 1.7% |
| 8 |  Netherlands | US$9.5k | 0.8% |
| 9 | United Kingdom | US$6.6k | 0.5% |
| 10 |  Japan | US$3.9k | 0.3% |
Top importers
| Rank | Country | Value | Share |
|---|---|---|---|
| 1 | Netherlands | US$944.1k | 75.3% |
| 2 |  South Africa | US$94.9k | 7.6% |
| 3 |  Egypt | US$73.2k | 5.8% |
| 4 |  Angola | US$47.6k | 3.8% |
| 5 | Türkiye | US$45.2k | 3.6% |
| 6 |  Mexico | US$8.8k | 0.7% |
| 7 |  South Korea | US$6.4k | 0.5% |
| 8 | Belgium | US$5.7k | 0.5% |
| 9 |  Dominican Republic | US$5.7k | 0.5% |
| 10 |  Indonesia | US$4.4k | 0.4% |
Questions and answers
What is the HS code for quaternary ammonium salts and hydroxides: didecyldimethylammonium perfluorooctane sulphonate?
Quaternary ammonium salts and hydroxides: didecyldimethylammonium perfluorooctane sulphonate fall under HS subheading 2923.40, 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 2923.40 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 2923.40 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?
Germany, with US$872.9k in 2024 (69.6% of world exports).