HSN Code 291639 – Unsaturated Acyclic Monocarboxylic Acids, Cyclic…

HSN Code

291639

Chapter

Digits

6-digit

Section

What is HSN Code 291639?

HSN code 291639 is the Harmonized System of Nomenclature classification for Unsaturated Acyclic Monocarboxylic Acids, Cyclic Monocarboxylic Acids, Their Anhydrides,… under India's Goods and Services Tax (GST). It is a 6-digit code sitting at the sub-heading (6-digit) level of the HSN hierarchy.

This code belongs to Chapter 29 — Organic Chemicals, which is part of Section VI: Chemical Products. Every GST-registered business supplying unsaturated acyclic monocarboxylic acids, cyclic monocarboxylic acids, their anhydrides,… must quote HSN 291639 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.

Classification breakdown of 291639

Level	Code	Description
Chapter	29	organic chemicals
Heading	2916	unsaturated acyclic monocarboxylic acids, cyclic monocarboxylic acids, their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives
Sub-heading	291639	other :

GST rate for HSN 291639

Goods under HSN 291639 attract GST at one of the five standard slabs. The exact rate depends on the specific product and the latest GST Council notification — always confirm before invoicing.

Nil / Exempt

Fresh produce, milk, cereals, books

Merit rate

Essentials, packaged food, transport

12%

Standard-low

Processed food, mobiles, apparel > ₹1,000

18%

Standard

Most goods, electronics, services

28%

Demerit / luxury

Cars, cement, aerated drinks, tobacco

Find the exact GST rate for Unsaturated Acyclic Monocarboxylic Acids, Cyclic Monocarboxylic Acids, Their Anhydrides,… →

Sub-codes under this classification

HSN Code	Description
29163910	cinnamic acid
29163920	bismuth compounds of aromatic monoacids
29163930	potassium compounds of aromatic monoacids
29163940	sodium compounds of aromatic monoacids
29163950	esters of aromatic monoacids not elsewhere specified
29163960	dichlorophenyl acetyl chloride
29163970	alphanaphthyl acetic acid, cyclanilide, kresoxim methyl, metofluthrin, permethrin, renofluthrin, transfluthrin.
29163990	other

HSN Code 291639 — FAQs

What is HSN code 291639?

HSN code 291639 classifies "Unsaturated Acyclic Monocarboxylic Acids, Cyclic Monocarboxylic Acids, Their Anhydrides,…" under India's GST regime. It falls under Chapter 29 (Organic Chemicals) of the Harmonized System of Nomenclature.

How many digits is HSN code 291639?

291639 is a 6-digit HSN code — a sub-heading (6-digit). Businesses declare 4-digit HSN (turnover up to ₹5 crore) or 6-digit HSN (above ₹5 crore) on GST invoices; 8-digit codes are used for exports and imports.

What is the GST rate for HSN code 291639?

Goods under HSN 291639 are taxed at one of the GST slabs — 0%, 5%, 12%, 18% or 28% — depending on the exact product and the latest GST Council notification. Use the Laabam.One GST Rate Finder to confirm the current rate for Unsaturated Acyclic Monocarboxylic Acids, Cyclic Monocarboxylic Acids, Their Anhydrides,….

Which chapter does HSN code 291639 belong to?

HSN 291639 belongs to Chapter 29 — Organic Chemicals, part of Section VI: Chemical Products.

Auto-fill HSN 291639 on every invoice

Laabam.One ERP stores HSN codes against your products and auto-populates them on GST invoices, e-invoices and GSTR-1 — no manual lookup, no classification errors.

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HSN Code 291639 – Unsaturated Acyclic Monocarboxylic Acids, Cyclic Monocarboxylic Acids, Their Anhydrides,…