HSN chapter guide
Chapter 25 — Salt, sulphur, earths & stone
176 eight-digit tariff lines. Rates below are from the Indian Customs Tariff First Schedule. Use the AI HSN classifier if you only have a product description. Reviewed by the CustomsAI compliance desk · 24 August 2026.
Chapter notes
- Except where their context or Note 4 to this Chapter otherwise requires, the headings of this Chapter cover only products which are in the crude state or which have been washed (even with chemical substances eliminating the impurities without changing the structure of the product), crushed, ground, powdered, levigated, sifted, screened, concentrated by flotation, magnetic separation or other mechanical or physical processes (except crystallisation), but not products which have been roasted, calcined, obtained by mixing or subjected to processing beyond that mentioned in each heading. The products of this Chapter may contain an added anti-dusting agent, provided that such addition does not render the product particularly suitable for specific use rather than for general use.
- This Chapter does not cover: (a) Sublimed sulphur, precipitated sulphur or colloidal sulphur (heading 28.02); (b) Earth colours containing 70% or more by weight of combined iron evaluated as Fe2O3 (heading 28.21); (c) Medicaments or other products of Chapter 30; (d) Perfumery, cosmetic or toilet preparations (Chapter 33); (e) Dolomite ramming mix (heading 38.16); (f) Setts, curbstones or flagstones (heading 68.01); mosaic cubes or the like (heading 68.02); roofing, facing or damp course slates (heading 68.03); (g) Precious or semi-precious stones (heading 71.02 or 71.03); (h) Cultured crystals (other than optical elements) weighing not less than 2.5 g each, of sodium chloride or of magnesium oxide (heading 38.24); optical elements of sodium chloride or of magnesium oxide (heading 90.01); (i) Billiard chalks (heading 95.04); (k) Writing or drawing chalks or tailors' chalks (heading 96.09).
- Any products classifiable in heading 25.17 and any other heading of the Chapter are to be classified in heading 25.17.
Sample 8-digit lines
| HSN | Description | BCD |
|---|---|---|
| 2501 00 10 | Common salt (including iodised salt) | 5% |
| 2501 00 20 | Rock salt | 5% |
| 2501 00 90 | Other | 5% |
| 2502 00 00 | UNROASTED IRON PYRITES | 5% |
| 2503 00 10 | Sulphur recovered as by-product in refining of crude oil | 2.5% |
| 2503 00 90 | Other | 5% |
| 2504 10 10 | Graphite, crystalline | 2.5% |
| 2504 10 20 | Graphite, amorphous | 2.5% |
| 2504 10 90 | Other | 2.5% |
| 2504 90 10 | Graphite, micronised | 2.5% |
| 2504 90 90 | Other | 2.5% |
| 2505 10 11 | Processed (white) | 5% |
| 2505 10 12 | Processed (brown) | 5% |
| 2505 10 19 | Other | 5% |
| 2505 10 20 | Quartz sands | 5% |
| 2505 90 00 | Other | 5% |
| 2506 10 10 | In lumps | 2.5% |
| 2506 10 20 | In powder | 2.5% |
| 2506 20 10 | In lumps | 2.5% |
| 2506 20 20 | In powder | 2.5% |
| 2506 20 90 | Other | 2.5% |
| 2507 00 10 | Crude | 5% |
| 2507 00 21 | Pharmaceutical grade | 5% |
| 2507 00 22 | Ceramic grade | 5% |
| 2507 00 29 | Other | 5% |
| 2508 10 10 | Crude | 5% |
| 2508 10 90 | Other (includes processed and ground) | 5% |
| 2508 30 10 | Non-plastic | 5% |
| 2508 30 20 | Semi-plastic | 5% |
| 2508 30 30 | Plastic | 5% |
| 2508 30 90 | Other | 5% |
| 2508 40 10 | Ball clay | 5% |
| 2508 40 20 | Earth clay | 5% |
| 2508 40 90 | Other | 5% |
| 2508 50 10 | Andalusite | 5% |
| 2508 50 21 | Crude, other than calcined | 5% |
| 2508 50 22 | Processed, other than calcined (washed or ground or screened or beneficiated) | 5% |
| 2508 50 23 | Calcined | 5% |
| 2508 50 31 | Lumps | 5% |
| 2508 50 32 | Fines (including sand) | 5% |