Chapter 2942 Tariff Headings
HSN Codes Chapter 29: Organic chemicals
Chapter 29 of the GST HSN tariff classifies organic chemicals. This chapter contains 42 4-digit tariff headings with applicable GST rates effective 22 September 2025.
Official CBIC Rates (Notification 09/2025 & 10/2025)GST rates as per CBIC Notifications 09/2025 and 10/2025 (Central Tax - Rate), effective 22 September 2025. Last updated: October 2026. Always verify on the official GST portal before filing.. Main active GST slabs across goods are 0%, 5%, 18% and 40%.
4-Digit Tariff Headings in Chapter 29
Select any heading below to view its complete 6-digit and 8-digit sub-codes, item-level rate specifications, and CBIC notification details.
Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated
GST Rate:
5%
18%
Acyclic Alcohols And Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
GST Rate:
5%
18%
Cyclic Alcohols And Their Halogenated, Sulphonated,Nitrated Or Nitrosated Derivatives
GST Rate:
5%Applies to some sub-codes
5%Applies to some sub-codes
18%Applies to some sub-codes
18%Applies to some sub-codes
Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives Of Phenols Or Phenol-Alcohols
GST Rate:
5%
18%
Ethers, Ether-Alcohols, Ether-Phenols, Etheralcohol-Phenols, Alcohol Peroxides, Ether Peroxides, Acetal And Hemiacetal Peroxides Ketone Peroxides (Whether Or Not Chemically Defined), And Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
GST Rate:
5%
18%
Epoxides, Epoxyalcohols, Epoxyphenols And Expoxyethers, With A Three-Membered Ring, And Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
GST Rate:
5%
18%
Acetals And Hemiacetals, Whether Or Not With Other Oxygen Function, And Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
GST Rate:
5%
18%
Aldehydes, Whether Or Not With Other Oxygen Function, Cyclic Polymers Of Aldehydes, Paraformaldehyde
GST Rate:
5%
18%
Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives Of Products Of Heading 2912
GST Rate:
5%
18%
Ketones And Quinones, Whether Or Not With Other Oxygen Function, And Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
GST Rate:
5%
18%
Saturated Acyclic Monocarboxylic Acids And Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
GST Rate:
5%
18%
Unsaturated Acyclic Monocarboxylic Acids, Cyclic Monocarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
GST Rate:
5%
18%
Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
GST Rate:
5%
18%
Carboxylic Acids With Additional Oxygen Function And Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
GST Rate:
5%
18%
Phosphoric Esters And Their Salts, Including Lactophosphates, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
GST Rate:
5%
18%
Esters Of Other Inorganicacids Of Non Metals (Excluding Esters Of Hydrogen Halides) And Their Salts, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
GST Rate:
5%
18%
Quaternary Ammonium Salts And Hydroxides; Lecithins And Other Phosphoaminolipids, Whether Or Not Chemically Defined
GST Rate:
5%
18%
Carboxyamide-Function Compounds, Amide Function Compounds Of Onic Acid
GST Rate:
5%
18%
Carboxyimide-Function Compounds (Including Saccharin And Its Salts) And Imine-Function Compounds
GST Rate:
5%
18%
Heterocyclic Compounds With Oxygen Hetero-Atom (S) Only
GST Rate:
5%
18%
Heterocyclic Compounds With Nitrogen Hetero-Atom(S) Only
GST Rate:
5%
18%
Nucleic Acids And Their Salts; Whether Or Not Chemically Defined; Other Heterocyclic Compounds
GST Rate:
5%
18%
Provitamins And Vitamins, Natural Or Reproduced By Synthesis (Including Natural Concentrates), Derivatives Thereof Used Primarily As Vitamins, And Intermixtures Of The Foregoing, Whether Or Not In Any Solvent
GST Rate:
5%
18%
Hormones, Prostaglandins, Thromboxanes And Leukotrienes, Natural Or Reproduced By Synthesis, Derivatives And Structural Analogues Thereof,- Including Chain Modified Polypeptides, Used Primarily As Hormones
GST Rate:
5%
18%
Glycosides, Natural Or Reproduced By Synthesis And Their Salts, Ethers, Esters And Other Derivatives
GST Rate:
5%
18%
Alkaloids, Natural Or Reproduced By Synthesis, And Their Salts, Ethers, Esters And Other Derivatives
GST Rate:
5%
18%
Chemically Pure, Other Than Sucrose, Lactose, Maltose, Glucose And Fructose, Sugar Ethers, Sugar Acetals And Sugar Esters And Their Salts, Other Than Products Of Headings 2937, 2938 Or 2938
GST Rate:
5%
18%
How Many HSN Digits Do You Need to Mention?
Under GST Notification 78/2020-Central Tax, businesses must declare HSN codes on tax invoices according to annual aggregate turnover:
| Annual Turnover | B2B Invoices | B2C Invoices |
|---|---|---|
| Up to ₹5 Crore | 4 Digits minimum | Optional (4 Digits recommended) |
| Above ₹5 Crore | 6 Digits mandatory | 6 Digits mandatory |
| Exports / Imports | 8 Digits mandatory | 8 Digits mandatory |