HSN Code 2831

Reading code 2831

The first two digits (28) place this code in chapter 28 — Inorganic Chemicals. As a 4-digit heading it groups a whole product family; 6 and 8-digit codes underneath it get more specific. Remember: you can never invent a shorter code by truncating a longer one — only codes that exist in the official tariff are valid.

Industrial inorganic chemicals — acids, alkalis, oxides, and salts — plus compounds of precious and rare-earth metals.

More specific codes under 2831

• 283110 — Inorganic Chemicals — dithionites and sulphoxylates — of sodium
• 28311010 — Inorganic Chemicals — dithionites and sulphoxylates — of sodium — sodium dithionites (sodium hydrosulphite)
• 28311020 — Sodium sulphoxylates (including sodium formaldehyde sulphoxylate)
• 283190 — Inorganic Chemicals — dithionites and sulphoxylates — other
• 28319010 — Inorganic Chemicals — dithionites and sulphoxylates — other — dithionites
• 28319020 — Inorganic Chemicals — dithionites and sulphoxylates — other — sulphoxylates