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Free Tools/HSN Code Finder/Chapter 29/HSN 2904
HSN 29044-Digit Heading

HSN 2904: Sulphonated – GST Rate

HSN 2904 covers sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated. GST on HSN 2904 is 5% or 18% depending on the conditions listed below (rates effective 22 September 2025). This heading has 36 tariff items, for example 2904 10 10, 2904 10 20 and 2904 10 30.

Chapter 29: Organic chemicals

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.

GST Rates for Heading 2904

5%CGST 2.5% + SGST 2.5% / IGST 5%

Gibberellic acid

Reference: Schedule I, S. No. 222 (Spec: 29 or 3808 93)
18%CGST 9% + SGST 9% / IGST 18%

All organic chemicals other than giberellic acid

Reference: Schedule II, S. No. 36 (Spec: 29)
If none of these descriptions fit your goods, the residual rate is 18% (Schedule II, S. No. 639).

Sub-Headings & Tariff Items Under 2904

Showing 47 sub-classification codes with complete hierarchy descriptions.

2904106-Digit Sub-heading

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Derivatives Containing Only Sulpho Groups, Their Salts And Ethyl Esters :

290410108-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Derivatives Containing Only Sulpho Groups, Their Salts And Ethyl Esters : > Benzene Sulphonic Acid

290410208-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Derivatives Containing Only Sulpho Groups, Their Salts And Ethyl Esters : > 1,5 Napthelene Disulphonic Acid (Armstrong'S Acid)

290410308-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Derivatives Containing Only Sulpho Groups, Their Salts And Ethyl Esters : > Napthelene Sulphonic Acid

290410408-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Derivatives Containing Only Sulpho Groups, Their Salts And Ethyl Esters : > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated - Derivatives Containing Only Sulpho Groups, Their Salts And Ethyl Esters : Vinyl Sulphone

290410908-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Derivatives Containing Only Sulpho Groups, Their Salts And Ethyl Esters : > Other

2904206-Digit Sub-heading

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Derivatives Containing Only Nitro Or Only Nitroso Groups :

290420108-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Derivatives Containing Only Nitro Or Only Nitroso Groups : > Nitrobenzene

290420208-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Derivatives Containing Only Nitro Or Only Nitroso Groups : > Meta Dinitrobenzene

290420308-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Derivatives Containing Only Nitro Or Only Nitroso Groups : > Meta Nitrotoluene

290420408-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Derivatives Containing Only Nitro Or Only Nitroso Groups : > Ortho Nitrotoluene

290420508-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Derivatives Containing Only Nitro Or Only Nitroso Groups : > Para Nitrotoluene

290420608-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Derivatives Containing Only Nitro Or Only Nitroso Groups : > Dinitrotoluene

290420908-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Derivatives Containing Only Nitro Or Only Nitroso Groups : > Other

2904316-Digit Sub-heading

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Perfluorooctane Sulphonic Acid

290431008-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Perfluorooctane Sulphonic Acid > Perfluorooctane sulphonic acid

2904326-Digit Sub-heading

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Ammonium Perfluorooctane Sulphonate

290432008-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Ammonium Perfluorooctane Sulphonate > Ammonium perfluorooctane sulphonate

2904336-Digit Sub-heading

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Lithium Perfluorooctane Sulphonate

290433008-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Lithium Perfluorooctane Sulphonate > Lithium perfluorooctane sulphonate

2904346-Digit Sub-heading

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Potassium Perfluorooctane Sulphonate

290434008-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Potassium Perfluorooctane Sulphonate > Potassium Perfluorooctane Sulphonate

2904356-Digit Sub-heading

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other Salts Of Perfluorooctane Sulphonic Acid

290435008-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other Salts Of Perfluorooctane Sulphonic Acid > Other salts of perfluorooctane sulphonic acid

2904366-Digit Sub-heading

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Perfluorooctane Sulphonyl Fluoride

290436008-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Perfluorooctane Sulphonyl Fluoride > Perfluorooctane sulphonyl fluoride

2904906-Digit Sub-heading

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other

290490108-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated - Other : 2,5 Dichloro Nitrobenzene

290490208-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated - Other : Dinitrochlorobenzene

290490308-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated - Other : Meta Nitrochlorobenzene

290490408-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated - Other : Ortho Nitrochlorobenzene

290490508-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated - Other : Para Nitrochlorobenzene

290490608-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated - Other : 2-Nitrochlorotoluene

290490708-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated - Other : Sodium Meta Nitrobenzene Sulphonate

290490808-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other > Chloropicrin(Trichloronitro-Methane)

290490908-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated - Other : Other

2904916-Digit Sub-heading

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Trichloronitromethane (Chloropicrin)

290491008-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Trichloronitromethane (Chloropicrin) > Trichloronitromethane (chloropicrin)

2904996-Digit Sub-heading

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other:

290499108-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other: > 2, 5 dichloronitrobenzene

290499208-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other: > Dinitrochlorebenzene

290499308-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other: > Meta nitrochlorobenzene

290499408-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other: > Ortho nitrochlorobenzene

290499508-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other: > Para nitrochlorobenzene

290499608-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other: > 2-nitrochlorotoluene

290499708-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other: > Sodium meta nitrochlorobenzene sulphonate

290499908-Digit Tariff Item

Chain: Organic Chemicals > Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated > Other: > Other

Other Headings in Chapter 29

HSN 2901
Acyclic Hydrocarbons
HSN 2902
Cyclic Hydrocarbons
HSN 2903
Halogenated Derivatives Of Hydrocarbons
HSN 2905
Acyclic Alcohols And Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
HSN 2906
Cyclic Alcohols And Their Halogenated, Sulphonated,Nitrated Or Nitrosated Derivatives
HSN 2907
Phenols; Phenol-Alcohols
HSN 2908
Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives Of Phenols Or Phenol-Alcohols
HSN 2909
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
HSN 2910
Epoxides, Epoxyalcohols, Epoxyphenols And Expoxyethers, With A Three-Membered Ring, And Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
HSN 2911
Acetals And Hemiacetals, Whether Or Not With Other Oxygen Function, And Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
HSN 2912
Aldehydes, Whether Or Not With Other Oxygen Function, Cyclic Polymers Of Aldehydes, Paraformaldehyde
HSN 2913
Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives Of Products Of Heading 2912
HSN 2914
Ketones And Quinones, Whether Or Not With Other Oxygen Function, And Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
HSN 2915
Saturated Acyclic Monocarboxylic Acids And Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
HSN 2916
Unsaturated Acyclic Monocarboxylic Acids, Cyclic Monocarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
HSN 2917
Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
HSN 2918
Carboxylic Acids With Additional Oxygen Function And Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
HSN 2919
Phosphoric Esters And Their Salts, Including Lactophosphates, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
HSN 2920
Esters Of Other Inorganicacids Of Non Metals (Excluding Esters Of Hydrogen Halides) And Their Salts, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives
HSN 2921
Amine-Function Compounds
HSN 2922
Oxygen-Function Amino-Compounds
HSN 2923
Quaternary Ammonium Salts And Hydroxides; Lecithins And Other Phosphoaminolipids, Whether Or Not Chemically Defined
HSN 2924
Carboxyamide-Function Compounds, Amide Function Compounds Of Onic Acid
HSN 2925
Carboxyimide-Function Compounds (Including Saccharin And Its Salts) And Imine-Function Compounds
HSN 2926
Nitrile-Function Compounds
HSN 2927
Diazo-, Azo- Or Azoxy-Compounds
HSN 2928
Organic Derivatives Of Hydrazine Or Of Hydroxylamine
HSN 2929
Compounds With Other Nitrogen Function
HSN 2930
Organo-Sulphur Compounds
HSN 2931
Other Organo-Inorganic Compounds
HSN 2932
Heterocyclic Compounds With Oxygen Hetero-Atom (S) Only
HSN 2933
Heterocyclic Compounds With Nitrogen Hetero-Atom(S) Only
HSN 2934
Nucleic Acids And Their Salts; Whether Or Not Chemically Defined; Other Heterocyclic Compounds
HSN 2935
Sulphonamides
HSN 2936
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
HSN 2937
Hormones, Prostaglandins, Thromboxanes And Leukotrienes, Natural Or Reproduced By Synthesis, Derivatives And Structural Analogues Thereof,- Including Chain Modified Polypeptides, Used Primarily As Hormones
HSN 2938
Glycosides, Natural Or Reproduced By Synthesis And Their Salts, Ethers, Esters And Other Derivatives
HSN 2939
Alkaloids, Natural Or Reproduced By Synthesis, And Their Salts, Ethers, Esters And Other Derivatives
HSN 2940
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
HSN 2941
Antibiotics
HSN 2942
Other Organic Compounds
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