HSN Code 28151190
Sodium hydroxide (caustic soda) potassium hydroxide (caustic potash)
HSN28151190
Sodium hydroxide (caustic soda) potassium hydroxide (caustic potash)
5%
IGST
Schedule I
CGST2.5%
SGST/UTGST2.5%
CessNil
When does this rate apply?
Use this HSN Code on tax invoices when supplying Sodium hydroxide (caustic soda) potassium hydroxide (caustic potash). 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 28151190?
HSN Code 28151190 is the official Harmonized System of Nomenclature code for Sodium hydroxide (caustic soda) potassium hydroxide (caustic potash), as per the CBIC GST rate schedule.
What is the GST rate for HSN Code 28151190?
HSN Code 28151190 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 28151190 belong to?
HSN Code 28151190 falls under Chapter 28 -- Inorganic chemicals of the GST tariff.