251820Sub-heading (6-digit)Section V

HSN Code 251820Calcined Or Sintered Dolomite

Full GST classification for Calcined Or Sintered Dolomite — chapter, heading and tariff hierarchy, GST rate slabs and related HSN codes. Updated for India GST.

HSN Code

251820

Chapter

25

Digits

6-digit

Section

V

What is HSN Code 251820?

HSN code 251820 is the Harmonized System of Nomenclature classification for Calcined Or Sintered Dolomite under India's Goods and Services Tax (GST). It is a 6-digit code sitting at the sub-heading (6-digit) level of the HSN hierarchy.

This code belongs to Chapter 25 — Salt, Sulphur, Earths And Stone, Plastering Materials, Lime And Cement, which is part of Section V: Mineral Products. Every GST-registered business supplying calcined or sintered dolomite must quote HSN 251820 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.

Classification breakdown of 251820

LevelCodeDescription
Chapter25salt, sulphur, earths and stone, plastering materials, lime and cement
Heading2518dolomite, 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,
Sub-heading251820calcined or sintered dolomite

GST rate for HSN 251820

Goods under HSN 251820 attract GST at one of the five standard slabs. The exact rate depends on the specific product and the latest GST Council notification — always confirm before invoicing.

0%

Nil / Exempt

Fresh produce, milk, cereals, books

5%

Merit rate

Essentials, packaged food, transport

12%

Standard-low

Processed food, mobiles, apparel > ₹1,000

18%

Standard

Most goods, electronics, services

28%

Demerit / luxury

Cars, cement, aerated drinks, tobacco

Find the exact GST rate for Calcined Or Sintered Dolomite

HSN Code 251820 — FAQs

What is HSN code 251820?

HSN code 251820 classifies "Calcined Or Sintered Dolomite" under India's GST regime. It falls under Chapter 25 (Salt, Sulphur, Earths And Stone, Plastering Materials, Lime And Cement) of the Harmonized System of Nomenclature.

How many digits is HSN code 251820?

251820 is a 6-digit HSN code — a sub-heading (6-digit). Businesses declare 4-digit HSN (turnover up to ₹5 crore) or 6-digit HSN (above ₹5 crore) on GST invoices; 8-digit codes are used for exports and imports.

What is the GST rate for HSN code 251820?

Goods under HSN 251820 are taxed at one of the GST slabs — 0%, 5%, 12%, 18% or 28% — depending on the exact product and the latest GST Council notification. Use the Laabam.One GST Rate Finder to confirm the current rate for Calcined Or Sintered Dolomite.

Which chapter does HSN code 251820 belong to?

HSN 251820 belongs to Chapter 25 — Salt, Sulphur, Earths And Stone, Plastering Materials, Lime And Cement, part of Section V: Mineral Products.

Auto-fill HSN 251820 on every invoice

Laabam.One ERP stores HSN codes against your products and auto-populates them on GST invoices, e-invoices and GSTR-1 — no manual lookup, no classification errors.