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 8 HSN codes under 2829
| HSN code | Description |
|---|---|
| 28291100 | Chlorates: of sodium |
| 28291910 | Chlorates: - other: barium chlorate |
| 28291920 | Chlorates: - other: potassium chlorate |
| 28291930 | Chlorates: - other: magnesium chlorate |
| 28291990 | Chlorates: - other: other |
| 28299010 | Other: perchlorates |
| 28299020 | Other: bromates and perbromates |
| 28299030 | Other: iodates and periodates |
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FAQs
What is an HSN code?
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