Rate at a Glance
Chapter 28
GST rate guide
Most inorganic chemicals are taxed at 18%. A few items used as fertiliser inputs, such as sulphuric acid and ammonia, are taxed at 5%.
Use this rate in hisabkitab: start free
Rates reflect GST changes effective 22 September 2025. Confirm the rate for your exact product description before filing.
All 24 HSN codes under 2833
| HSN code | Description |
|---|---|
| 28331100 | ) - sodium sulphates: disodium sulphate |
| 28331910 | ) - sodium sulphates: - other: sodium hydrogen sulphate (acid sulphate) |
| 28331920 | ) - sodium sulphates: - other: sodium pyrosulphate |
| 28331990 | ) - sodium sulphates: - other: other |
| 28332100 | ) - other sulphates: of magnesium |
| 28332210 | ) - other sulphates: - of aluminium: aluminium sulphate (iron free) |
| 28332290 | ) - other sulphates: - of aluminium: other |
| 28332300 | ) - other sulphates: of chromium |
| 28332400 | ) - other sulphates: of nickel |
| 28332500 | ) - other sulphates: of copper |
| 28332610 | ) - other sulphates: - of zinc: agricultural grade zinc sulphate ordinarily used as micronutrient |
| 28332690 | ) - other sulphates: - of zinc: other |
| 28332700 | ) - other sulphates: of barium |
| 28332910 | ) - other sulphates: - other: ferrous sulphate |
| 28332920 | ) - other sulphates: - other: mercuric sulphate |
| 28332930 | ) - other sulphates: - other: quinidine sulphate |
| 28332940 | ) - other sulphates: - other: manganese sulphate |
| 28332950 | ) - other sulphates: - other: strontium sulphate |
| 28332990 | ) - other sulphates: - other: other |
| 28333010 | ) - alums: ammonium alum |
| 28333020 | ) - alums: ferric ammonium alum |
| 28333030 | ) - alums: potash alum |
| 28333090 | ) - alums: other |
| 28334000 | ) - peroxosulphates (persulphates) |
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