Free Tools/HSN Code Finder/Chapter 25/HSN 2510

HSN 25104-Digit Heading

HSN 2510: Natural calcium phosphates – GST Rate

HSN 2510 covers natural calcium phosphates, natural aluminium calcium phosphates and phosphatic chalk. GST on HSN 2510 is 5% (rates effective 22 September 2025). This heading has 8 tariff items, for example 2510 10 10, 2510 10 20 and 2510 10 30.

Chapter 25: Salt, sulphur, earths and stone, plastering materials, lime and cement

GST rates as per CBIC Notifications 09/2025 and 10/2025 (Central Tax - Rate), effective 22 September 2025. Last updated: October 2026. Always verify on the official GST portal before filing.

GST Rates for Heading 2510

5%CGST 2.5% + SGST 2.5% / IGST 5%

Natural calcium phosphates, natural aluminium calcium phosphates and phosphatic chalk

Reference: Schedule I, S. No. 171 (Spec: 2510)

Sub-Headings & Tariff Items Under 2510

Showing 10 sub-classification codes with complete hierarchy descriptions.

2510106-Digit Sub-heading

Chain: Salt, Sulphur, Earths And Stone, Plastering Materials, Lime And Cement > Natural Calcium Phosphates, Natural Aluminium Calcium Phosphates And Phosphatic Chalk > Unground :

251010108-Digit Tariff Item

Chain: Salt, Sulphur, Earths And Stone, Plastering Materials, Lime And Cement > Natural Calcium Phosphates, Natural Aluminium Calcium Phosphates And Phosphatic Chalk > Unground : > Natural Calcium Phosphate

251010208-Digit Tariff Item

251010308-Digit Tariff Item

251010908-Digit Tariff Item

Chain: Salt, Sulphur, Earths And Stone, Plastering Materials, Lime And Cement > Natural Calcium Phosphates, Natural Aluminium Calcium Phosphates And Phosphatic Chalk > Unground : > Other

2510206-Digit Sub-heading

Chain: Salt, Sulphur, Earths And Stone, Plastering Materials, Lime And Cement > Natural Calcium Phosphates, Natural Aluminium Calcium Phosphates And Phosphatic Chalk > Ground :

251020108-Digit Tariff Item

Chain: Salt, Sulphur, Earths And Stone, Plastering Materials, Lime And Cement > Natural Calcium Phosphates, Natural Aluminium Calcium Phosphates And Phosphatic Chalk > Ground : > Natural Calcium Phosphates

251020208-Digit Tariff Item

251020308-Digit Tariff Item

251020908-Digit Tariff Item

Chain: Salt, Sulphur, Earths And Stone, Plastering Materials, Lime And Cement > Natural Calcium Phosphates, Natural Aluminium Calcium Phosphates And Phosphatic Chalk > Ground : > Other

Other Headings in Chapter 25

HSN 2501

Salt (Including Table Salt And Denatured Salt) And Pure Sodium Chloride, Whether Or Not In Aqueous Solution Or Containing Added Anti-Caking Or Free Flowing Agents, Sea Water

HSN 2502

Unroasted Iron Pyrites

HSN 2503

Sulphur Of All Kinds, Other Than Sublimed Sulphur, Precipitated Sulphur And Collodial Sulphur

HSN 2504

Natural Graphite

HSN 2505

Natural Sands Of All Kinds, Whether Or Not Coloured, Other Than Metal-Bearing Sands Of Chapter 26

HSN 2506

Quartz (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

HSN 2507

Kaolin And Other Kaolinic Clays, Whether Or Not Calcined

HSN 2508

Other Clays (Not Including Expanded Clays Of Heading 6806), Andalusite, Kyanite And Sillimanite, Whether Or Not Calcined; Mullite; Chamotte Or Dinas Earths

HSN 2509

Chalk

HSN 2511

Natural Barium Sulphate (Barytes); Natural Barium Carbonate (Witherite), Whether Or Not Calcined, Other Than Barium Oxide Of Heading 2816

HSN 2512

Siliceous Fossil Meals (For Example, Kieselguhr, Tripolite And Diatomite) And Similar Siliceous Earths, Whetheror Not Calcined, Of An Apparent Specific Gravity Of 1 Or Less

HSN 2513

Pumice Stones, Emery, Natural Corundum, Ntural Garnet And Other Natrual Abrasives, Whether Or Not Heat-Treated

HSN 2514

SLATE, WHETHER OR NOT ROUGHLY TRIMMED kg. Nil OR MERELY CUT, BY SAWING OR OTHERWISE, INTO BLOCKS OR SLABS OF A RECTANGULAR (INCLUDING SQUARE) SHAPE

HSN 2515

Marble, Travertine, Ecaussine And Other Calcareous Monumental Or Building Stone Of An Apparent Specific Gravity Of 2.5 Or More, And Alabaster, Whether Or Not Roughly Trimmed Or Merely Cut, By Sawing Or Otherwise, Into Blocks Or Slabs Of A Rectangular (Including Square) Shape:

HSN 2516

Granite, Porphyry, Basalt, Sandstone And Other Monumental Or Building Stone, Whether Or Not Roughly Trimmed Or Merely Cut, By Sawing Or Otherwise, Into Blocks Or Slabs Of A Rectangular (Including Square) Shape

HSN 2517

Pebbles, Gravel, Broken Or Crushed Stone, Of A Kind Commonly Used For Concrete Aggregates, For Road Metalling Or For Railway Or Other Ballast, Shingle And Flint, Whether Or Not Heat-Treated, Macadam Of Slag, Dross Or Similar Industrial Waste, Whether Or Not Incorporating The Materials Cited In The First Part Of The Heading, Tarred Macadam, Granules, Chippings And Powder, Of Stones Of Heading 2515 Or 2516, Whether Or Not Heat-Treated

HSN 2518

Dolomite, 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,

HSN 2519

Natural Magnesium Carbonate (Magnesite); Fused Magnesia; Dead-Burned (Sintered) Magnesia, Whether Or Not Containing Small Quantities Of Other Oxides Added Before Sintering; Other Magnesium Oxide, Whether Or Not Pure

HSN 2520

Gypsum, Anhydrite, Plasters (Consisting Of Calcined Gypsum Or Calcium Sulphate) Whether Or Not Coloured, With Or Without Small Quantities Of Accelerators Or Retarders

HSN 2521

Limestone Flux; Limestone And Other Calcareous Stones, Of A Kind Used For The Manufacture Of Lime Or Cement

HSN 2522

Quicklime, Slaked Lime And Hydraulic Lime, Other Than Calcium Oxide And Hydroxide Of Heading 2825

HSN 2523

Portland Cement, Aluminous Cement, Slag Cement, Supersulphate Cement And Similar Hydraulic Cements, Whether Or Not Coloured Or In The Form Of Clinkers

HSN 2524

Asbestos

HSN 2525

Mica, Including Splittings; Mica Waste

HSN 2526

Natural Steatite, Whether Or Not Roughly Trimmed Or Merely Cut, By Sawing Or Otherwise, Into Blocks Or Slabs Of A Rectangular (Including Square) Shape,Talc

HSN 2528

Natural Borates And Concentrates Thereof (Whether Or Not Calcined), But Not Including Brates Separated From Natural Brine, Natural Boric Acid Containing Not More Than 85% Of H3Bo3 Calculated On The Dry Weight

HSN 2529

Feldspar; Leucite; Nepheline And Nepheline Syenite; Fluorspar

HSN 2530

Mineral Substances Not Elsewhere Specified Or Included

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