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Free Tools/HSN Code Finder/Chapter 29/HSN 2931
HSN 29314-Digit Heading

HSN 2931: Other organo-inorganic compounds – GST Rate

HSN 2931 covers other organo-inorganic compounds. GST on HSN 2931 is 5% or 18% depending on the conditions listed below (rates effective 22 September 2025). This heading has 66 tariff items, for example 2931 00 10, 2931 00 41 and 2931 00 42.

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 2931

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 2931

Showing 84 sub-classification codes with complete hierarchy descriptions.

2931006-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds

293100108-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds > Other Organo-Inorganic Compounds - Other Organo-Inorganic Compounds : Organo-Mercury Compounds

293100418-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds > Phosphonic Acid,Methyl -

293100428-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds > Phosphonic Acid,Ethyl

293100438-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds > Phosphonic Acid,Propyl

293100448-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds > Phosphinic Acid,Methyl-

293100518-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds > Phosponic Acide,[Methyl-(5-Ethyl-2-Methyl 2-Oxido- 1,3,2-Dioxaphosphorinan-5-Yl) Methyl]Ester

293100528-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds > Phosphonic Acide,[Methyl-Bis (5-Ethyl-2-Methyl 2-Oxido- 1,3,2-Dioxaphosphorinan-5-Yl) Methyl] Ester

293100538-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds > Phosphonic Acid,Methyl,Dimethyl Ester

293100548-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds > Phosphonic Acid Propyl Dimethyl Ester

293100558-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds > Phosphonic Acid Ethyl-Diethyl Ester

293100568-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds > Phosphonochloridic Acid Methyl-,Methyl Ester

293100578-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds > Phosphonous Acid- Methyl Diethyl Ester

293100618-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds > 1 Propanaminium N,N,N Trimethyl 3-[1-Oxo-9-Octadecenyl Amino] -(Z)-Methyl Methyl Phosphonate

293100628-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds > O,O-Dimethyl Methyl Phosphonate

293100718-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds > Phosphonothioic Dichloride,Ethyl-

293100728-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds > Phosphonic Dichloride,Methyl

293100738-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other organo-inorganic compounds > Phosphonous Dichloride,Methyl-

2931106-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Tetramethyl Lead And Tetraethyl Lead:

293110108-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Tetramethyl Lead And Tetraethyl Lead: > Tetramethyl Lead

293110208-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Tetramethyl Lead And Tetraethyl Lead: > Other Organo-Inorganic Compounds-Tetramethyl Lead And Tetraethyl Lead---Tetraethyl Lead

293110908-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Tetramethyl Lead And Tetraethyl Lead: > Tetraethyl Lead

2931206-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Tributyltin compounds

293120008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Tributyltin compounds > Tributyltin Compounds

293131008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Dimethyl methylphosphonate

293132008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Dimethyl propylphosphonate

293133008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Diethyl ethylphosphonate

293134008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Sodium 3-(trihydroxysilyl)propyl methylphosphonate

293135008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > 2, 4, 6-Tripropyl-1, 3, 5, 2, 4, 6-trioxatriphosphinane 2, 4, 6-trioxide

293136008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > (5-Ethyl-2-methyl-2-oxido-1, 3, 2-dioxaphosphinan-5-yl)methyl methylphosphonate

293137008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Bis[(5-ethyl-2-methyl-2-oxido-1, 3, 2-dioxaphosphinan-5-yl) methyl] methylphosphonate

293138008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Salt of methylphosphonic acid and (aminoiminomethyl)urea (1 1)

293139008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other

2931416-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Dimethyl Methylphosphonate

293141008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Dimethyl Methylphosphonate > Dimethyl Methylphosphonate

2931426-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Dimethyl Propylphosphonate

293142008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Dimethyl Propylphosphonate > Dimethyl Propylphosphonate

2931436-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Diethyl Ethylphosphonate

293143008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Diethyl Ethylphosphonate > Diethyl Ethylphosphonate

2931446-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Methylphosphonic Acid

293144008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Methylphosphonic Acid > Methylphosphonic Acid

2931456-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Salt Of Methylphosphonic Acid And (Aminoiminomethyl) Urea (1 : 1)

293145008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Salt Of Methylphosphonic Acid And (Aminoiminomethyl) Urea (1 : 1) > Salt Of Methylphosphonic Acid And (Aminoiminomethyl) Urea (1 : 1)

2931466-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > 2,4,6-Tripropyl-1,3,5,2,4,6-Trioxatriphosphinane 2,4,6-Trioxide

293146008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > 2,4,6-Tripropyl-1,3,5,2,4,6-Trioxatriphosphinane 2,4,6-Trioxide > 2,4,6-Tripropyl-1,3,5,2,4,6-Trioxatriphosphinane 2,4,6-Trioxide

2931476-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > (5-Ethyl-2-Methyl-2-Oxido-1,3,2-Dioxaphosphinan-5-Yl) Methyl Methyl Methylphosphonate

293147008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > (5-Ethyl-2-Methyl-2-Oxido-1,3,2-Dioxaphosphinan-5-Yl) Methyl Methyl Methylphosphonate > (5-Ethyl-2-Methyl-2-Oxido-1,3,2-Dioxaphosphinan-5-Yl) Methyl Methyl Methylphosphonate

2931486-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > 3,9-Dimethyl-2,4,8,10-Tetraoxa-3,9- Diphosphaspiro [5.5] Undecane 3,9-Dioxide

293148008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > 3,9-Dimethyl-2,4,8,10-Tetraoxa-3,9- Diphosphaspiro [5.5] Undecane 3,9-Dioxide > 3,9-Dimethyl-2,4,8,10-Tetraoxa-3,9- Diphosphaspiro [5.5] Undecane 3,9-Dioxide

2931496-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other

293149108-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other > Sodium 3-(Trihydroxysilyl) Propyl Methylphosphonate

293149208-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other > Bis[(5-Ethyl-2-Methyl-2-Oxido-1,3,2-Dioxaphosphinan-5-Yl)Methyl] Methylphosphonate

293149308-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other > Glyphosate (ISO), fosetyl-al, glufosinate ammonium, glyphosate potassium salt

293149408-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other > Butyl methylphosphinate

293149508-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other > Bis(1-methylpentyl) methylphosphonate

293149908-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other > Other

293149918-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other > Containing a phosphorus atom to which one methyl, ethyl, n-propyl or isopropyl group is bonded but no further carbon atoms

293149998-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other > Other

2931516-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Methylphosphonic Dichloride

293151008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Methylphosphonic Dichloride > Methylphosphonic Dichloride

2931526-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Propylphosphonic Dichloride

293152008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Propylphosphonic Dichloride > Propylphosphonic Dichloride

2931536-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > O-(3-Chloropropyl) O-[4-Nitro-3-(Trifluoromethyl) Phenyl] Methylphosphonothionate

293153008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > O-(3-Chloropropyl) O-[4-Nitro-3-(Trifluoromethyl) Phenyl] Methylphosphonothionate > O-(3-Chloropropyl) O-[4-Nitro-3-(Trifluoromethyl) Phenyl] Methylphosphonothionate

2931546-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Trichlorfon (Iso)

293154008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Trichlorfon (Iso) > Trichlorfon (Iso)

2931596-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other

293159008-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other > Other

293159108-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other > P-Alkyl (<=C10, incl. cycloalkyl) N-(1-(dialkyl (<=C10, incl. cycloalkyl) amino))alkylidene (H or <=C10, incl. cycloalkyl) phosphonamidic fluorides and corresponding alkylated or protonated salts

293159208-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other > Methyl- (bis(diethylamino)methylene)phosphonamidofluorid ate

293159318-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other > Ethephon

293159398-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other > Other

293159908-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other > Other

2931906-Digit Sub-heading

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other:

293190108-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other: > Other Organo-Inorganic Compounds -Other---Organo Arsenic Compounds

293190118-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other: > Methylarsonic Acid And Its Salt

293190128-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other: > Cacodylic Acid And Its Salt

293190138-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other: > P-Aminophenylarsonic Acid And Its Salt

293190148-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other: > Amino-Hydroxyphenylarsonic Acids, Their Formyl And Acetyl Derivatives And Their Salts

293190158-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other: > Arsenobenzene And Its Derivatives

293190198-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other: > Other

293190208-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other: > Organo-Silicon Compounds

293190308-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > Other: > O-Iodosobenzoic Acid

293190908-Digit Tariff Item

Chain: Organic Chemicals > Other Organo-Inorganic Compounds > 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 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 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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