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 9 HSN codes under 2832
| HSN code | Description |
|---|---|
| 28321010 | Sodium sulphites: sodium bisulphite |
| 28321020 | Sodium sulphites: sodium hydrosulphite |
| 28321090 | Sodium sulphites: other |
| 28322010 | Other sulphites: potassium metabisulphite |
| 28322020 | Other sulphites: magnesium sulphite |
| 28322090 | Other sulphites: other |
| 28323010 | Thiosulphates: sodium thiosulphate (hypo) |
| 28323020 | Thiosulphates: magnesium thiosulphate |
| 28323090 | Thiosulphates: other |
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FAQs
What is an HSN code?
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