HSN Codes · Chapter 28: Inorganic Chemicals
HSN Code 281122
Other inorganic acids and other inorganic oxygen compounds of non-metals — silicon dioxide
Typical GST rate
Varies
Depends on sub-classification
Type
Goods
HSN classification
Code level
6-digit
Sub-heading
Reading code 281122
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 281122
- 28112200 — Other inorganic acids and other inorganic oxygen compounds of non-metals — silicon dioxide — silicon dioxide
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
- 281129 — Other inorganic acids and other inorganic oxygen compounds of non-metals — other
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