Products A–Z
HS code for hydrosulphites
2831
In the UK Trade Tariff’s list of everyday names, “hydrosulphites” points to heading 2831: dithionites and sulphoxylates. 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.
The UK Global Tariff divides 2831 into 2 tariff lines; the duty is duty-free.
In the EU Combined Nomenclature, 2831 covers 2 tariff lines and the duty is 5.5%.
The Turkish Customs Tariff Schedule divides 2831 into 3 tariff lines; the duty is 5.5%.
Duty rates compared
UK Free Third-country duty 2 tariff lines 
EU 5.5% Third-country duty 2 tariff lines 
Türkiye 5.5% Third-country duty 3 tariff lines 
USA Free – 5.5% General (MFN) 3 tariff lines · average 3.7% 
Canada Free Third-country duty 2 tariff lines 
Mexico Free Third-country duty 2 tariff lines 
Brazil Free Third-country duty 6 tariff lines 
Argentina Free Third-country duty 6 tariff lines 
Peru Free Third-country duty 2 tariff lines 
New Zealand Free Third-country duty 2 tariff lines 
Japan 3.3% Third-country duty 2 tariff lines 
Taiwan 3.4% – 5% Third-country duty 4 tariff lines · average 3.8% 
GCC 5% Third-country duty 5 tariff lines 
Switzerland Free Third-country duty 2 tariff lines 
Norway Free Third-country duty 2 tariff lines 
North Macedonia 5% Third-country duty 2 tariff lines 
Nigeria 5% Third-country duty 2 tariff lines See also
Questions and answers
What is the HS code for hydrosulphites?
Hydrosulphites are classified under 2831 (Dithionites and sulphoxylates) in the Harmonized System. National tariffs add more digits; see the lines on this page.