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Chapter

25 Salt; sulphur; earths and stone; plastering materials, lime and cement

Chapter 25 is a 2-digit product group of the Harmonized System inside Section V. Open a heading below to narrow down to the 8-digit code that matches your product, then check its GST schedule mapping and CGST/SGST split before you invoice.

29 Headings
67 Subheadings
173 HSN codes
GST slabs mapped in this chapter:
Nil5%12%18%28%
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Salt; sulphur; earths and stone; plastering materials, lime and cement - goods classified under HSN Chapter 25
Chapter 25 product group
One level down

Headings in Chapter 25

Each 4-digit heading is a product category. Businesses with turnover up to Rs. 5 crore report this 4-digit level in GSTR-1.

2501Salt (including table salt and denatured salt); pure sodium chloride whether or not in aqueous solution; sea water 3 codes 2502Iron pyrites; unroasted 1 codes 2503Sulphur of all kinds; other than sublimed, precipitated and colloidal sulphur 2 codes 2504Graphite; natural 5 codes 2505Sands of all kinds; natural, whether or not coloured, other than metal-bearing sands of chapter 26 5 codes 2506Quartz; (other than natural sands), quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape 5 codes 2507Kaolin and other kaolinic clays; whether or not calcined 4 codes 2508Clays; (not including expanded clays of heading no. 6806), andalusite kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earth 18 codes 2509Chalk 1 codes 2510Natural calcium phosphates; natural aluminium calcium phosphates and phosphatic chalk 8 codes 2511Natural barium sulphate (barytes); natural barium carbonate, (witherite) whether or not calcined, other than barium oxide of heading no. 2816 4 codes 2512Siliceous fossil meals (e.g. kieselguhr, tripolite and diatomite) and similar siliceous earths; whether or not calcined, of an apparent specific gravity of 1 or less 4 codes 2513Pumice stone; emery; natural corundum, natural garnet and other natural abrasives, whether or not heat treated 5 codes 2514Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape 1 codes 2515Marble, travertine, ecaussine and other calcareous stone; of an apparent specific gravity of less than 2.5, alabaster, whether cut by sawing etc, into blocks, slabs of a rectangular (square) shape 6 codes 2516Granite, porphyry, basalt, sandstone, other monumental and building stone, whether or not roughly trimmed, cut, by sawing etc, into blocks or slabs of a rectangular (including square) shape 6 codes 2517Pebbles, gravel, crushed stone for concrete aggregates for road or railway ballast, shingle or flint; macadam of slag, dross etc tarred granules, chippings, powder of stones of heading no. 2515 and 2516 7 codes 2518Dolomite, whether or not calcined or sintered, including dolomite roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape 2 codes 2519Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; magnesium oxide, pure or not 6 codes 2520Gypsum; anhydrite; plasters (consisting of calcined gypsum or calcium sulphate), coloured or not, with or without small quantities of accelerators or retarders 5 codes 2521Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement 2 codes 2522Quicklime, slaked lime and hydraulic lime; other than calcium oxide and hydroxide of heading no. 2825 3 codes 2523Portland cement, aluminous cement (ciment fondu), slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers 11 codes 2524Asbestos 18 codes 2525Mica, including splittings; mica waste 15 codes 2526Natural steatite; whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape; talc 4 codes 2528Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 % of H3BO3 calculated on the dry weight 4 codes 2529Feldspar; leucite; nepheline and nepheline syenite; fluorspar 5 codes 2530Mineral substances not elsewhere specified or included 13 codes
Rate disclaimer

GST rates shown here are as published in HSN to GST code and GST rate schedule mapping (as published 30.06.2017) and are reproduced for reference. The GST Council revises rates through notifications, including the slab rationalization effective 22.09.2025 that moved many goods from the 12% and 28% slabs. Always verify the current rate on the CBIC GST rates page or CBIC tax information portal before invoicing or filing. Rates shown exclude any applicable compensation cess. IncorpX provides assistance for GST registration and return filing if you need help.

Chapter 25 questions

What does HSN Chapter 25 cover?

Chapter 25 covers salt; sulphur; earths and stone; plastering materials, lime and cement. It contains 29 headings and 173 8-digit HSN codes.

Can I quote just the chapter number 25 on an invoice?

No. GST reporting needs at least the 4-digit heading (turnover up to Rs. 5 crore) or the 6-digit subheading (above Rs. 5 crore), and customs documents need all 8 digits. Use the chapter only to navigate to the exact code.

What GST rates apply in Chapter 25?

The schedule maps codes in this chapter to Nil, 5%, 12%, 18%, 28% slabs, depending on the exact product. Open a code page for its specific rows and CGST/SGST split, and verify the current rate on the CBIC GST portal before filing.

Do I need GST registration to sell goods from Chapter 25?

GST registration is required once your aggregate turnover crosses the threshold that applies to your state and supply type, or earlier for activities like inter-state supply or selling through e-commerce operators. IncorpX provides assistance for GST registration and can help you check whether the requirement applies to your business.

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Share what you sell and an IncorpX advisor will help you confirm the correct HSN code and the GST treatment that applies, before you invoice or file. Free, with no obligation. IncorpX provides assistance for GST registration and return filing; applications are always filed in your name with the tax authorities.

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