Dithionites and sulphoxylates
4 tariff lines under Chapter 28 — Inorganic chemicals; organic or inorganic compounds of precious metals
BIS QCO 1 · NON-BIS PGA 3
HSN heading 2831 (DITHIONITES AND SULPHOXYLATES) contains 4 customs tariff items. 1 is notified under a Bureau of Indian Standards (BIS) Quality Control Order (1 of 4); a further 3 are administered by Partner Government Agencies and 0 carry no requirement on record.
At a glance
4
Tariff lines (8-digit HSN)
1
BIS QCO notified (25%)
1
Indian Standards across leaves
BIS
Top Partner Government Agency
Tariff items
4 tariff items
Click any code for details2831 10Of sodium
2831 90Other dithionites and sulphoxylates
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Speak to an Expert Last verified against gazette notifications: 2026-05-23. Source: BIS / DPIIT / Indian Customs CUSDATA.
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