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HSN code 2510HSN code 2510: Natural calcium phosphates, natural aluminium calcium phosphates and phosphatic chalk.
HSN heading 2510 sits in chapter 25 (Salt; sulphur; earths and stone; plastering materials, lime and cement). It has 8 8-digit tariff items. On a tax invoice, businesses with turnover up to ₹5 crore show at least the 4-digit code 2510; above ₹5 crore, the 6-digit sub-heading.
⚠️About GST rates: GST rates on many goods changed from 22 September 2025, when most items moved to the 5% and 18% slabs and a few to 40%. This finder lists codes and descriptions only — confirm the rate for your item in the current CBIC rate notification before you invoice.
8-digit tariff items under 2510
| HSN code | Description |
|---|---|
| 25101010 | Unground: Natural Calcium Phosphate |
| 25101020 | Unground: Natural Aluminium Calcium Phosphate |
| 25101030 | Unground: Natural Calcium Phosphate Apatite |
| 25101090 | Unground: Other |
| 25102010 | Ground: Natural Calcium Phosphates |
| 25102020 | Ground: Natural Aluminium Calcium Phosphate |
| 25102030 | Ground: Natural Calcium Phosphates Apatite |
| 25102090 | Ground: Other |
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