HSN Code 28331100
Sulphates alums
HSN28331100
Sulphates alums
5%
IGST
Schedule I
CGST2.5%
SGST/UTGST2.5%
CessNil
When does this rate apply?
Use this HSN Code on tax invoices when supplying Sulphates alums. GST is charged at 5% (IGST for inter-state, or CGST 2.5% + SGST 2.5% for intra-state). If the supply is exported under LUT, the rate is zero with no IGST charged.
This page is reviewed by CA Tirumalesh. For high-value or unusual transactions, confirm with the latest CBIC notification or consult a chartered accountant before invoicing.
Frequently asked questions
What is HSN Code 28331100?
HSN Code 28331100 is the official Harmonized System of Nomenclature code for Sulphates alums, as per the CBIC GST rate schedule.
What is the GST rate for HSN Code 28331100?
HSN Code 28331100 attracts GST at 5% (IGST). For intra-state supplies, this is split as CGST 2.5% + SGST 2.5%. As per Notification No. 9/2025 - Central Tax (Rate).
Which chapter does HSN Code 28331100 belong to?
HSN Code 28331100 falls under Chapter 28 -- Inorganic chemicals of the GST tariff.