Turkish Customs Tariff Schedule · GTİP code · HS 2923.90

2923.90.00.10.11

2923.90.00.10.11: Tetrametilamonyum formiyat; betain ve tuzları: tetrametilamonyum formiyat

✓ Can be used in a customs declaration Data: Turkish Customs Tariff Schedule, in force from 1 January 2026 · checked on 24 October 2026

This line has no official text in this language; it is shown in the language of its tariff.

  1. 2923 Kuaterner amonyum tuzları ve hidroksitleri; lesitinler ve diğer fosfoaminolipidler (kimyaca belirli bir yapıda olsun olmasın):
  2. 2923.90 Diğerleri :
  3. Tetrametilamonyum formiyat; betain ve tuzları :
  4. 2923.90.00.10.11 Tetrametilamonyum formiyat

What you pay

Importing into Türkiye

Customs duty 6.5% standard rate
Additional duties and charges — No additional measures recorded for this origin.
VAT 20 % standard rate; 10 % or 1 % for some goods
Duty calculatorCalculate duty and taxes →

Rates for Türkiye are the applied duties of the 2026 Import Regime Decision, as consolidated by the Ministry of Trade (amendments to August 2026). The additional customs duty (İGV) and, for some farm goods, the additional financial liability (EMY) come on top. Footnotes can lower a rate for named countries or periods: see the line page.

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

No additional measures recorded for this origin.

Preferential rates by country

Agreement or schemeCountriesRate
standard rate (no agreement)—6.5%
Türkiye’s free trade agreements
Albania, Austria, Belgium, Bosnia & Herzegovina and 48 more

Albania, Austria, Belgium, Bosnia & Herzegovina, Bulgaria, Chile, Croatia, Cyprus, Czechia, Denmark, Egypt, Estonia, Faroe Islands, Finland, France, Georgia, Germany, Greece, Hungary, Iceland, Ireland, Israel, Italy, Kosovo, Latvia, Liechtenstein, Lithuania, Luxembourg, Malaysia, Malta, Mauritius, Moldova, Montenegro, Morocco, Netherlands, North Macedonia, Norway, Palestinian Territories, Poland, Portugal, Romania, Serbia, Singapore, Slovakia, Slovenia, South Korea, Spain, Sweden, Switzerland, Tunisia, United Kingdom, Venezuela

 Free
GSP (least developed countries)
Afghanistan, Angola, Bangladesh, Benin and 44 more

Afghanistan, Angola, Bangladesh, Benin, Bhutan, Burkina Faso, Burundi, Cambodia, Central African Republic, Chad, Comoros, Congo - Kinshasa, Djibouti, Equatorial Guinea, Eritrea, Ethiopia, Gambia, Guinea, Guinea-Bissau, Haiti, Kiribati, Laos, Lesotho, Liberia, Madagascar, Malawi, Mali, Mauritania, Mongolia, Mozambique, Myanmar (Burma), Nepal, Niger, Rwanda, São Tomé & Príncipe, Senegal, Sierra Leone, Solomon Islands, Somalia, South Sudan, Sudan, Tanzania, Timor-Leste, Togo, Tuvalu, Uganda, Yemen, Zambia

 Free
GSP (developing countries)
Bolivia, Cape Verde, Congo - Brazzaville, Cook Islands and 10 more

Bolivia, Cape Verde, Congo - Brazzaville, Cook Islands, Kenya, Kyrgyzstan, Micronesia, Nigeria, Niue, Pakistan, Philippines, Sri Lanka, Tajikistan, Uzbekistan

 Free
Türkiye–United Arab Emirates agreement United Arab Emirates Free
GSP+ Free
Türkiye–Qatar agreement Qatar 6.5%

Same subheading in other tariffs

2923.90 Quaternary ammonium salts and hydroxides: other

UK Free – 6% Third-country duty 13 tariff lines · average 5.5% EU 6.5% Third-country duty 1 tariff line USA 6.2% General (MFN) 1 tariff line Canada Free Third-country duty 1 tariff line Mexico Free – 5% Third-country duty 5 tariff lines · average 2% Brazil Free – 10.8% Third-country duty 7 tariff lines · average 6.2% Argentina Free – 10.8% Third-country duty 9 tariff lines · average 4.8% Peru Free Third-country duty 2 tariff lines New Zealand Free Third-country duty 2 tariff lines Japan Free – 3.9% Third-country duty 3 tariff lines · average 1.3% Taiwan 5% Third-country duty 1 tariff line GCC 5% Third-country duty 5 tariff lines Switzerland Free Third-country duty 1 tariff line Norway Free Third-country duty 1 tariff line North Macedonia 5% Third-country duty 1 tariff line Nigeria 5% Third-country duty 1 tariff line

Türkiye lines: 2923.90

Binding rulings for similar goods

Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.

  • N311706 U.S. CBP 29 May 2020 · 2923.90.01.00

    The tariff classification of certain Tertiary Amine and Quaternary Ammonium Compounds from China

  • N309818 U.S. CBP 25 February 2020 · 2923.90.01.00

    The tariff classification of tetramethylammonium chloride (TMAC) 60 % (CAS 75-57-0) from Taiwan

  • H278445 U.S. CBP 25 April 2017 · 2923.90.00.00

    Application for Further Review of Protest No. 4701-15-100296; N, N, N’, N’-Tetrakis (4-dibutylamino-phenyl)-p-phenylenediaminium dihexafluoroantimonate (CAS 5496-71-9)

Legal notes

Chapter notes: Chapter 29 →

GTİP code 2923.90.00.10.11 is a line of the Turkish Customs Tariff Schedule under HS subheading 2923.90 (quaternary ammonium salts and hydroxides: other).

The statutory rate is 6.5%.

For the same subheading, the UK duty is 0%–6%, the EU duty is 6.5%, the US duty is 6.2%, the Canada duty is free, the Mexico duty is 0%–5%, the Brazil duty is 0%–10.8%, the Argentina duty is 0%–10.8%, the Peru duty is free, the New Zealand duty is free, the Japan duty is 0%–3.9%, the Taiwan duty is 5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 5% and the Nigeria duty is 5%.

Türkiye imported goods of subheading 2923.90 worth US$14m in 2024; the largest supplier was China.

Questions and answers

What is the Türkiye import duty for GTİP code 2923.90.00.10.11?

The statutory rate in the Turkish Customs Tariff Schedule is 6.5%. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.

Where does Türkiye import these goods from?

For subheading 2923.90 as a whole, the largest supplier in 2024 was China (US$6m), followed by the Netherlands.

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