HSN Code 29183030 -- – Carboxylic acids with additional oxygen function and their anhydrides, halides, (GST Rate 5%)

HSN Code 29183030

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives - carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives : nalidixic acid

HSN29183030

Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives - carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives : nalidixic acid

5%
IGST
Schedule I
CGST2.5%
SGST/UTGST2.5%
CessNil
Heading: 2918
Subheading: 291830
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 29183030?
HSN Code 29183030 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 29183030?
HSN Code 29183030 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 29183030 belong to?
HSN Code 29183030 falls under Chapter 29 -- Organic chemicals of the GST tariff.
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