Products A–Z
HS code for alkaline iron oxide (for gas purification)
3825.90 Residual products of the chemical or allied industries: other
In the UK Trade Tariff’s list of everyday names, “alkaline iron oxide (for gas purification)” points to subheading 3825.90: residual products of the chemical or allied industries: other. Check the description and the notes of the chapter before declaring: the right code depends on what the goods are made of and how they are used.
In the UK Global Tariff, 3825.90 covers 2 tariff lines and the duty is duty-free.
The EU Combined Nomenclature divides 3825.90 into 2 tariff lines; the duty is between 5% and 6.5% (average 5.8%).
In the Turkish Customs Tariff Schedule, 3825.90 covers 2 tariff lines and the duty is between 5% and 6.5%.
Duty rates compared
UK Free Third-country duty 2 tariff lines 
EU 5% – 6.5% Third-country duty 2 tariff lines · average 5.8% 
Türkiye 5% – 6.5% Third-country duty 2 tariff lines · average 5.8% 
USA Free General (MFN) 1 tariff line 
Canada 6.5% General (MFN) 1 tariff line 
Mexico Free General (MFN) 1 tariff line 
Brazil 12.6% General (MFN) 1 tariff line 
Argentina 12.6% General (MFN) 2 tariff lines 
Peru Free General (MFN) 1 tariff line 
New Zealand Free General (MFN) 1 tariff line 
Japan Free – 2.6% General (MFN) 2 tariff lines · average 1.3% 
Taiwan 5% General (MFN) 1 tariff line 
GCC 5% General (MFN) 1 tariff line 
Switzerland Free General (MFN) 2 tariff lines · 1× specific or compound duty 
Norway Free General (MFN) 1 tariff line 
North Macedonia 25% General (MFN) 2 tariff lines 
Nigeria 10% General (MFN) 1 tariff line Questions and answers
What is the HS code for alkaline iron oxide (for gas purification)?
Alkaline iron oxide (for gas purification) are classified under 3825.90 (Residual products of the chemical or allied industries: other) in the Harmonized System. National tariffs add more digits; see the lines on this page.