Swiss Customs Tariff (Tares) · Swiss tariff number · HS 2815.20
2815.20.00: potassium hydroxide (caustic potash)
✓ Can be used in a customs declaration Data: Swiss Customs Tariff (Tares), in force from 24 October 2026 · checked on 24 October 2026
- 2815 Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium
- 2815.20.00 potassium hydroxide (caustic potash)
What you pay
Importing into Switzerland
Customs duty only: import VAT, other taxes and trade defence duties of this country are not covered here, and the duty calculator works only with the EU, Türkiye, US and UK tariffs.
Same subheading in other tariffs
2815.20 Potassium hydroxide (caustic potash)
UK 4% Third-country duty 1 tariff line 
EU 5.5% Third-country duty 1 tariff line 
Türkiye 5.5% Third-country duty 1 tariff line 
USA Free General (MFN) 1 tariff line 
Canada Free General (MFN) 2 tariff lines 
Mexico Free General (MFN) 2 tariff lines 
Brazil 5.4% General (MFN) 1 tariff line 
Argentina 5.4% General (MFN) 2 tariff lines 
Peru Free General (MFN) 1 tariff line 
New Zealand Free General (MFN) 1 tariff line 
Japan 3.9% General (MFN) 1 tariff line 
Taiwan 5% General (MFN) 1 tariff line 
GCC 5% General (MFN) 1 tariff line 
Norway Free General (MFN) 1 tariff line 
North Macedonia Free – 5% General (MFN) 2 tariff lines · average 2.5% 
Nigeria 5% General (MFN) 1 tariff line 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.
- N272550 U.S. CBP
The tariff classification of Potassium Hydroxide (CAS # 1310-58-3) from Russia
Legal notes
In the Swiss Customs Tariff (Tares), 2815.20.00 is one of 1 line under subheading 2815.20, potassium hydroxide (caustic potash).
The normal tariff rate is free.
For the same subheading, the UK duty is 4%, the EU duty is 5.5%, the Türkiye duty is 5.5%, the US duty is free, the Canada duty is free, the Mexico duty is free, the Brazil duty is 5.4%, the Argentina duty is 5.4%, the Peru duty is free, the New Zealand duty is free, the Japan duty is 3.9%, the Taiwan duty is 5%, the GCC duty is 5%, the Norway duty is free, the North Macedonia duty is 0%–5% and the Nigeria duty is 5%.
Switzerland imported goods of subheading 2815.20 worth US$8m in 2024; the largest supplier was Italy.
Questions and answers
What is the Switzerland import duty for Swiss tariff number 2815.20.00?
The normal tariff rate in the Swiss Customs Tariff (Tares) is free. This page shows the rate as published by the national source and, where the source publishes them, preferential rates: choose the country of origin to see them. Trade defence duties and VAT are not covered.
Where does Switzerland import these goods from?
For subheading 2815.20 as a whole, the largest supplier in 2024 was Italy (US$3m), followed by France.