HSN Code 2836
Carbonates; peroxocarbonates (percarbonates)
Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate
GST rate
| Thorium oxalate, Enriched KBF4 (enriched potassium fluroborate), Enriched elemental boron, Nuclear fuel | 5% |
| Anaesthetics, Potassium Iodate, Iodine, Steam | 5% |
| Micronutrients, which are covered under serial number 1(g) of Schedule 1, Part (A) of the Fertilizer Control Order, 1985 and are manufactured by the manufacturers which are registered under the Fertilizer Control Order, 1985 | 5% |
| All inorganic chemicals [other than those specified in notification th No.10/2025- Central Tax (Rate) dated 17 September 2025 or other Schedules of this notification] | 18% |
Codes under 2836
| Code | Description | GST rate |
|---|---|---|
| 2836 10 00 | Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate commercial ammonium carbonate and other ammonium carbonates | Varies |
| 2836 20 | Disodium carbonate: | Varies |
| 2836 20 10 | Disodium carbonate, dense | Varies |
| 2836 20 20 | Disodium carbonate, light | Varies |
| 2836 30 | Sodium hydrogencarbonate (sodium bicarbonate) | Varies |
| 2836 40 | Potassium carbonates | Varies |
| 2836 50 | Calcium carbonate | Varies |
| 2836 60 | Barium carbonate | Varies |
| 2836 70 00 | Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate lead carbonate | Varies |
| 2836 91 | Lithium carbonates | Varies |
| 2836 92 | Strontium carbonate | Varies |
| 2836 99 | Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate › Other | Varies |
| 2836 99 10 | Percarbonates | Varies |
| 2836 99 20 | Magnesium carbonate | Varies |
| 2836 99 30 | Aluminium bicarbonate | Varies |
← Chapter 28: Industrial gases and inorganic chemicals
Related HSN codes
Frequently Asked Questions
What is the HSN code for carbonates; peroxocarbonates (percarbonates)?
The HSN code for carbonates; peroxocarbonates (percarbonates) is 2836, under Chapter 28 (Industrial gases and inorganic chemicals).
What is the GST rate on carbonates; peroxocarbonates (percarbonates)?
It depends on the specific item: thorium oxalate, enriched kbf4 (enriched potassium fluroborate), enriched elemental boron, nuclear fuel is 5%; anaesthetics, potassium iodate, iodine, steam is 5%; micronutrients, which are covered under serial number 1(g) of schedule 1, part (a) of the fertilizer control order, 1985 and are manufactured by the manufacturers which are registered under the fertilizer control order, 1985 is 5%; all inorganic chemicals [other than those specified in notification th no.10/2025- central tax (rate) dated 17 september 2025 or other schedules of this notification] is 18%.
How many digits of the HSN code go on a GST invoice?
It depends on your turnover in the previous financial year: businesses above ₹5 crore generally show 6 digits (8 for certain specified goods), and smaller businesses show 4 digits on B2B invoices. Check the current e-invoicing/HSN notification for the exact threshold that applies to you.
Rates as per Notification No. 9/2025-Central Tax (Rate), as amended, as of 7 October 2026. For guidance only — verify with your tax advisor.