HSN Code 2825
Hydrazine and hydroxylamine and their inorganic salts
Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides
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 2825
| Code | Description | GST rate |
|---|---|---|
| 2825 10 | Hydrazine and hydroxylamine and their inorganic salts: | Varies |
| 2825 10 10 | Hydrazine anhydrous | Varies |
| 2825 10 20 | Hydrazine hydrate | Varies |
| 2825 10 30 | Hydrazine sulphate | Varies |
| 2825 10 40 | Hydroxylamine sulphate | Varies |
| 2825 20 | Lithium oxide and hydroxide | Varies |
| 2825 30 | Vanadium oxides and hydroxides: | Varies |
| 2825 30 10 | Vanadium pentaoxide flakes | Varies |
| 2825 40 | Nickel oxides and hydroxides | Varies |
| 2825 50 | Copper oxides and hydroxides | Varies |
| 2825 60 | Germanium oxides and zirconium dioxide: | Varies |
| 2825 60 10 | Germanium oxides | Varies |
| 2825 60 20 | Zirconium dioxide | Varies |
| 2825 70 | Molybdenum oxides and hydroxides: | Varies |
| 2825 70 10 | Molybdenum trioxide | Varies |
| 2825 70 20 | Molybdic acid | Varies |
| 2825 80 | Antimony oxides | Varies |
| 2825 90 | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides › Other | Varies |
| 2825 90 10 | Tin oxide | Varies |
| 2825 90 20 | Cadmium oxide | Varies |
| 2825 90 30 | Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides - other: mercury oxides (mercuric oxide) | Varies |
| 2825 90 40 | Calcium hydroxide | Varies |
| 2825 90 50 | Ammonium hydroxide | Varies |
← Chapter 28: Industrial gases and inorganic chemicals
Related HSN codes
Frequently Asked Questions
What is the HSN code for hydrazine and hydroxylamine and their inorganic salts?
The HSN code for hydrazine and hydroxylamine and their inorganic salts is 2825, under Chapter 28 (Industrial gases and inorganic chemicals).
What is the GST rate on hydrazine and hydroxylamine and their inorganic salts?
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.