HSN Code 29181550 -- – Carboxylic acids with additional oxygen function and their anhydrides, halides, (GST Rate 5%)

HSN Code 29181550

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives - carboxylic acids with alcohol function, but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives :-salts and esters of citric acid : ferric ammonium citrate

HSN29181550

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives - carboxylic acids with alcohol function, but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives :-salts and esters of citric acid : ferric ammonium citrate

5%
IGST
Schedule I
CGST2.5%
SGST/UTGST2.5%
CessNil
Heading: 2918
Subheading: 291815
Source: Notification No. 9/2025 - Central Tax (Rate)
Effective from: 2025-09-22
Last verified: 2026-06-03

When does this rate apply?

Use this HSN Code on tax invoices when supplying Carboxylic acids with additional oxygen function and their anhydrides, halides, . 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 29181550?
HSN Code 29181550 is the official Harmonized System of Nomenclature code for Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogen, as per the CBIC GST rate schedule.
What is the GST rate for HSN Code 29181550?
HSN Code 29181550 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 29181550 belong to?
HSN Code 29181550 falls under Chapter 29 -- Organic chemicals of the GST tariff.
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