Q3HSN Code 2832
Sulphites; thiosulphates
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 2832
| Code | Description | GST rate |
|---|---|---|
| 2832 10 | Sodium sulphites: | Varies |
| 2832 10 10 | Sodium bisulphite | Varies |
| 2832 10 20 | Sodium hydrosulphite | Varies |
| 2832 20 | Other sulphites — sulphites; thiosulphates | Varies |
| 2832 20 10 | Potassium metabisulphite | Varies |
| 2832 20 20 | Magnesium sulphite | Varies |
| 2832 30 | Thiosulphates: | Varies |
| 2832 30 10 | Sodium thiosulphate (hypo) | Varies |
| 2832 30 20 | Magnesium thiosulphate | Varies |
← Chapter 28: Industrial gases and inorganic chemicals
Related HSN codes
Frequently Asked Questions
What is the HSN code for sulphites; thiosulphates?
The HSN code for sulphites; thiosulphates is 2832, under Chapter 28 (Industrial gases and inorganic chemicals).
What is the GST rate on sulphites; thiosulphates?
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.