HSN Code 281129

Reading code 281129

The first two digits (28) place this code in chapter 28 — Inorganic Chemicals. Heading 2811 groups the product family, and the remaining digits pin down this specific 6-digit classification. 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.

Parent heading

2811 — Other inorganic acids and other inorganic oxygen compounds of non-metals

More specific codes under 281129

• 28112910 — Other inorganic acids and other inorganic oxygen compounds of non-metals — other — arsenic pentaoxide
• 28112920 — Other inorganic acids and other inorganic oxygen compounds of non-metals — other — arsenic trioxide
• 28112930 — Other inorganic acids and other inorganic oxygen compounds of non-metals — other — nitrous oxide
• 28112940 — Other inorganic acids and other inorganic oxygen compounds of non-metals — other — carbon monoxide
• 28112950 — Other inorganic acids and other inorganic oxygen compounds of non-metals — other — sulphur trioxide (sulphuric anhydride)
• 28112990 — Other inorganic acids and other inorganic oxygen compounds of non-metals — other — other

Related codes in heading 2811

• 281111 — Other inorganic acids and other inorganic oxygen compounds of non-metals — hydrogen fluoride (hydrofluoric acid)
• 281112 — Other inorganic acids and other inorganic oxygen compounds of non-metals — hydrogen cyanide (hydrocyanic acid )
• 281119 — Other inorganic acids and other inorganic oxygen compounds of non-metals — other
• 281121 — Other inorganic acids and other inorganic oxygen compounds of non-metals — carbon dioxide
• 281122 — Other inorganic acids and other inorganic oxygen compounds of non-metals — silicon dioxide