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Free Tools/HSN Code Finder/Chapter 29/HSN 2917
HSN 29174-Digit Heading

HSN 2917: Polycarboxylic acids – GST Rate

HSN 2917 covers polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids, their halogenated, sulphonated, nitrated or nitrosated derivatives. GST on HSN 2917 is 5% or 18% depending on the conditions listed below (rates effective 22 September 2025). This heading has 37 tariff items, for example 2917 11 10, 2917 11 20 and 2917 11 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 2917

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 2917

Showing 50 sub-classification codes with complete hierarchy descriptions.

2917116-Digit Sub-heading

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Oxalic Acid, Its Salts And Esters :

291711108-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Oxalic Acid, Its Salts And Esters : > Oxalic Acid

291711208-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Oxalic Acid, Its Salts And Esters : > Calcium Oxalate

291711308-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Oxalic Acid, Its Salts And Esters : > Strontium Oxalate

291711408-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Oxalic Acid, Its Salts And Esters : > Diethyl Oxalate

291711908-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Oxalic Acid, Its Salts And Esters : > Other

2917126-Digit Sub-heading

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Adipic Acid, Its Salts And Esters

291712008-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Adipic Acid, Its Salts And Esters > Adipic Acid, Its Salts And Esters

2917136-Digit Sub-heading

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Azelaic Acid, Sebacic Acid, Their Salts And Esters:

291713008-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Azelaic Acid, Sebacic Acid, Their Salts And Esters: > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids; Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives - Acyclic Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides, Peroxyacids And Their Derivatives : Azelaic Acid, Sebacic Acid, Their Salts And Esters

291713108-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Azelaic Acid, Sebacic Acid, Their Salts And Esters: > Sebacic acid

291713908-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Azelaic Acid, Sebacic Acid, Their Salts And Esters: > Other

2917146-Digit Sub-heading

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Maleic Anhydride

291714008-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Maleic Anhydride > Maleic Anhydride

2917196-Digit Sub-heading

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other :

291719108-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Maleic Acid

291719208-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Malonic Acid

291719218-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Malonic acid, its salts and esters : Malonic acid

291719228-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Malonic acid, its salts and esters : Diethyl malonate

291719298-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Malonic acid, its salts and esters : Other

291719308-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Succinic Acid

291719408-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Ferrous Fumarate

291719508-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Fumaric Acid

291719608-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Itaconic Acid

291719708-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Ethoxy Methylene Malonate, Diethyl Malonate

291719808-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Isoprothiolane

291719908-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Other

2917206-Digit Sub-heading

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Cyclanic, Cyclenic Or Cycloterpenic, Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides, Peroxyacids And Their Derivatives

291720008-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Cyclanic, Cyclenic Or Cycloterpenic, Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides, Peroxyacids And Their Derivatives > Cyclanic, Cyclenic Or Cycloterpenic, Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides, Peroxyacids And Their Derivatives

291731008-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids; Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives - Aromatic Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides, Peroxyacids And Their Derivatives :Dibutyl Orthophthalates

2917326-Digit Sub-heading

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Dioctyl Orthophthalates

291732008-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Dioctyl Orthophthalates > Dioctyl Orthophthalates

2917336-Digit Sub-heading

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Dinonyl Or Didecyl Orthophthalates

291733008-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Dinonyl Or Didecyl Orthophthalates > Dinonyl Or Didecyl Orthophthalates

2917346-Digit Sub-heading

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other Esters Of Orthophthalic Acid

291734008-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other Esters Of Orthophthalic Acid > Other Esters Of Orthophthalic Acid

2917356-Digit Sub-heading

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Phthalic Anhydride

291735008-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Phthalic Anhydride > Phthalic Anhydride

2917366-Digit Sub-heading

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Terephthalic Acid And Its Salts

291736008-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Terephthalic Acid And Its Salts > Terephthalic Acid And Its Salts

2917376-Digit Sub-heading

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Dimethyl Terephthalate

291737008-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Dimethyl Terephthalate > Dimethyl Terephthalate

2917396-Digit Sub-heading

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other :

291739108-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Dibutyl Phthalate

291739208-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Dioctyl Isophthalate And Dioctyl Terephthalate

291739308-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Phthalic Acid

291739408-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Dimethyl Phthalate

291739508-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Trimellitic Anhydride

291739608-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Isophthalic Acid

291739908-Digit Tariff Item

Chain: Organic Chemicals > Polycarboxylic Acids, Their Anhydrides, Halides, Peroxides And Peroxyacids, Their Halogenated, Sulphonated, Nitrated Or Nitrosated Derivatives > Other : > Other

Other Headings in Chapter 29

HSN 2901
Acyclic Hydrocarbons
HSN 2902
Cyclic Hydrocarbons
HSN 2903
Halogenated Derivatives Of Hydrocarbons
HSN 2904
Sulphonated, Nitrated Or Nitrosated Derivatives Of Hydrocarbons, Whether Or Not Halogenated
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 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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