2521Heading (4-digit)Section V

HSN Code 2521Limestone Flux; Limestone And Other Calcareous Stones, Of A Kind Used For The Manufacture…

Full GST classification for Limestone Flux; Limestone And Other Calcareous Stones, Of A Kind Used For The Manufacture… — chapter, heading and tariff hierarchy, GST rate slabs and related HSN codes. Updated for India GST.

HSN Code

2521

Chapter

25

Digits

4-digit

Section

V

What is HSN Code 2521?

HSN code 2521 is the Harmonized System of Nomenclature classification for Limestone Flux; Limestone And Other Calcareous Stones, Of A Kind Used For The Manufacture… under India's Goods and Services Tax (GST). It is a 4-digit code sitting at the heading (4-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 limestone flux; limestone and other calcareous stones, of a kind used for the manufacture… must quote HSN 2521 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.

Classification breakdown of 2521

LevelCodeDescription
Chapter25salt, sulphur, earths and stone, plastering materials, lime and cement
Heading2521limestone flux; limestone and other calcareous stones, of a kind used for the manufacture of lime or cement

GST rate for HSN 2521

Goods under HSN 2521 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 Limestone Flux; Limestone And Other Calcareous Stones, Of A Kind Used For The Manufacture…

HSN Code 2521 — FAQs

What is HSN code 2521?

HSN code 2521 classifies "Limestone Flux; Limestone And Other Calcareous Stones, Of A Kind Used For The Manufacture…" 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 2521?

2521 is a 4-digit HSN code — a heading (4-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 2521?

Goods under HSN 2521 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 Limestone Flux; Limestone And Other Calcareous Stones, Of A Kind Used For The Manufacture….

Which chapter does HSN code 2521 belong to?

HSN 2521 belongs to Chapter 25 — Salt, Sulphur, Earths And Stone, Plastering Materials, Lime And Cement, part of Section V: Mineral Products.

Auto-fill HSN 2521 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.