Q3HSN Code 2803
Carbon
Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)
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 2803
| Code | Description | GST rate |
|---|---|---|
| 2803 00 | Carbon (carbon blacks and other forms of carbon not elsewhere specified or included): | Varies |
| 2803 00 10 | Carbon blacks | Varies |
| 2803 00 20 | Acetylene black | Varies |
← Chapter 28: Industrial gases and inorganic chemicals
Related HSN codes
2804Hydrogen, rare gases and other non-metals2802Sulphur, sublimed or precipitated; colloidal sulphur2805Alkali or alkaline-earth metals, rare-earth metals,scandium2801Fluorine, chlorine, bromine and iodine2806Hhydrogen chloride (hydrochloric acid), chlorosulphuric acid2853Phosphides, whether or not chemically defined,excluding
Frequently Asked Questions
What is the HSN code for carbon?
The HSN code for carbon is 2803, under Chapter 28 (Industrial gases and inorganic chemicals).
What is the GST rate on carbon?
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.