HSN code 2521 is
a 4-digit Harmonized System of Nomenclature (HSN) code used in India for GST classification.
It covers: Limestone flux; limestone and other calcareous stones, of a kind used for the manufacture of lime or cement.
This code falls under Chapter 25
(Salt, Sulphur, Stone) of the Indian GST tariff.
The applicable GST rate is 5%
(CGST 2.5% + SGST 2.5% for intra-state, or IGST 5% for inter-state transactions).
Who needs this code? Any GST-registered business supplying
goods classified under this
HSN code must quote it on their tax invoices.
Turnover above ₹5 crore requires 6-digit codes;
exporters must use 8-digit HSN codes.
Frequently Asked Questions
What is HSN code 2521?
HSN 2521 refers to: Limestone flux; limestone and other calcareous stones, of a kind used for the manufacture of lime or cement. It belongs to Chapter 25 (Salt, Sulphur, Stone) of the GST tariff.
What is the GST rate for HSN code 2521?
The GST rate for HSN code 2521 is 5% — CGST 2.5% + SGST 2.5% for intra-state, or IGST 5% for inter-state supply.
Is HSN code 2521 mandatory on invoices?
Yes. If your business supplies goods/services under this code, you must quote the HSN/SAC code on GST invoices. Businesses with turnover below ₹5 crore use 4-digit HSN; above ₹5 crore use 6-digit; exporters use 8-digit.
What chapter does HSN code 2521 belong to?
HSN code 2521 belongs to Chapter 25 of the GST tariff, which covers Salt, Sulphur, Stone.
