HSN Codes · Chapter 25: Salt, Sulphur, Earths, Stone, Cement

HSN Code 251820

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, — calcined or sintered dolomite

Typical GST rate

Varies

Depends on sub-classification

Type

Goods

HSN classification

Code level

6-digit

Sub-heading

Reading code 251820

The first two digits (25) place this code in chapter 25 — Salt, Sulphur, Earths, Stone, Cement. Heading 2518 groups the product family, and the remaining digits pin down this specific 6-digit classification. Remember: you can never invent a shorter code by truncating a longer one — only codes that exist in the official tariff are valid.

Salt, natural stone, sand, gypsum, lime, and cement. Cement attracts the 28% slab — a major line item for construction businesses.

Parent heading

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,

More specific codes under 251820

  • 25182000 — 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, — calcined or sintered dolomite — calcined or sintered dolomite

Related codes in heading 2518

  • 251810 — 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, — dolomite not calcined or sintered

Frequently asked questions

The GST rate under 251820 depends on the specific item and applicable notifications. Check the classification with our HSN code finder and confirm the rate before invoicing.
Businesses with annual aggregate turnover of ₹5 crore or more must report at least 6 digits on e-invoices and e-way bills; below ₹5 crore, 4 digits is the B2B minimum. Exports require 8 digits.
Every line item on a GST tax invoice carries its HSN code alongside the description, quantity, taxable value, and tax breakup. The code also flows into your GSTR-1 HSN summary and e-way bills.

Related tools & guides

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