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 5 HSN codes under 2815
| HSN code | Description |
|---|---|
| 28151110 | Sodium hydroxide (caustic soda): - solid: flakes |
| 28151190 | Sodium hydroxide (caustic soda): - solid: other |
| 28151200 | Sodium hydroxide (caustic soda): in aqueous solution (soda lye or liquid soda) |
| 28152000 | Potassium hydroxide (caustic potash) |
| 28153000 | Peroxides of sodium or potassium |
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FAQs
What is an HSN code?
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