Customs Import Tariff of Taiwan · CCC code · HS 2935.90
2935.90.00.10: Other sulphonamides: Sildenafil
Other sulphonamides
✓ Can be used in a customs declaration Data: Customs Import Tariff of Taiwan, in force from 24 April 2025 · checked on 24 October 2026
What you pay
Importing into Taiwan
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
UK Free – 6% Third-country duty 38 tariff lines · average 5.7% 
EU Free – 6.5% Third-country duty 2 tariff lines · average 3.3% 
Türkiye Free – 6.5% Third-country duty 13 tariff lines · average 6% 
USA Free – 6.5% General (MFN) 14 tariff lines · average 4.2% 
Canada Free General (MFN) 1 tariff line 
Mexico Free – 5% General (MFN) 38 tariff lines · average 0.5% 
Brazil Free – 12.6% General (MFN) 19 tariff lines · average 5.1% 
Argentina Free – 12.6% General (MFN) 36 tariff lines · average 2.7% 
Peru Free General (MFN) 2 tariff lines 
New Zealand Free General (MFN) 1 tariff line 
Japan 3.9% General (MFN) 1 tariff line 
GCC 5% General (MFN) 1 tariff line 
Switzerland Free 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 Taiwan lines: 2935.90
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.
- N357263 U.S. CBP
The tariff classification of N-Phenyl-N-(trichloromethylsulfenyl)-benzenesulfonamide (CAS No. 2280-49-1) from China
- N360727 U.S. CBP
The tariff classification of Tenapanor Hydrochloride (CAS No. 1234365-97-9) in bulk form, from Taiwan
- N344340 U.S. CBP
The tariff classification of Color Developing Agent 3 (CAS No. 25646-71-3) and Color Developing Agent 4 (CAS No. 25646-77-9) from China imported in bulk form
- N334917 U.S. CBP
The tariff classification of Sodium bis(trifluoromethane)sulfonimide (CAS # 91742-21-1) from China
12 rulings in total for this code
Legal notes
Code history
Since 2017; before, these goods were classified under 2935.00.
CCC code 2935.90.00.10 is a line of the Customs Import Tariff of Taiwan under HS subheading 2935.90 (sulphonamides, other).
The column 1 rate is 5%, and quantities are declared in KGM.
For the same subheading, the UK duty is 0%–6%, the EU duty is 0%–6.5%, the Türkiye duty is 0%–6.5%, the US duty is 0%–6.5%, the Canada duty is free, the Mexico duty is 0%–5%, the Brazil duty is 0%–12.6%, the Argentina duty is 0%–12.6%, the Peru duty is free, the New Zealand duty is free, the Japan duty is 3.9%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 0%–5% and the Nigeria duty is 5%.
Taiwan imported goods of subheading 2935.90 worth US$12m in 2024; the largest supplier was China.
Questions and answers
What is the Taiwan import duty for CCC code 2935.90.00.10?
The column 1 rate in the Customs Import Tariff of Taiwan is 5%; the supplementary unit is KGM. 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 Taiwan import these goods from?
For subheading 2935.90 as a whole, the largest supplier in 2024 was China (US$6m), followed by India.