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HSN code 2931HSN code 2931: Other Organo-Inorganic Compounds
HSN heading 2931 sits in chapter 29 (Organic chemicals). It has 22 8-digit tariff items. On a tax invoice, businesses with turnover up to ₹5 crore show at least the 4-digit code 2931; above ₹5 crore, the 6-digit sub-heading.
⚠️About GST rates: GST rates on many goods changed from 22 September 2025, when most items moved to the 5% and 18% slabs and a few to 40%. This finder lists codes and descriptions only — confirm the rate for your item in the current CBIC rate notification before you invoice.
8-digit tariff items under 2931
| HSN code | Description |
|---|---|
| 29310010 | Other Organo-Inorganic Compounds - Other Organo-Inorganic Compounds : Organo-Mercury Compounds |
| 29310041 | Phosphonic Acid,Methyl - |
| 29310042 | Phosphonic Acid,Ethyl |
| 29310043 | Phosphonic Acid,Propyl |
| 29310044 | Phosphinic Acid,Methyl- |
| 29310051 | Phosponic Acide,[Methyl-(5-Ethyl-2-Methyl 2-Oxido- 1,3,2-Dioxaphosphorinan-5-Yl) Methyl]Ester |
| 29310052 | Phosphonic Acide,[Methyl-Bis (5-Ethyl-2-Methyl 2-Oxido- 1,3,2-Dioxaphosphorinan-5-Yl) Methyl] Ester |
| 29310053 | Phosphonic Acid,Methyl,Dimethyl Ester |
| 29310054 | Phosphonic Acid Propyl Dimethyl Ester |
| 29310055 | Phosphonic Acid Ethyl-Diethyl Ester |
| 29310056 | Phosphonochloridic Acid Methyl-,Methyl Ester |
| 29310057 | Phosphonous Acid- Methyl Diethyl Ester |
| 29310061 | 1 Propanaminium N,N,N Trimethyl 3-[1-Oxo-9-Octadecenyl Amino] -(Z)-Methyl Methyl Phosphonate |
| 29310062 | O,O-Dimethyl Methyl Phosphonate |
| 29310071 | Phosphonothioic Dichloride,Ethyl- |
| 29310072 | Phosphonic Dichloride,Methyl |
| 29310073 | Phosphonous Dichloride,Methyl- |
| 29311010 | Other Organo-Inorganic Compounds-Tetramethyl Lead And Tetraethyl Lead---Tetramethyl Lead |
| 29311020 | Other Organo-Inorganic Compounds-Tetramethyl Lead And Tetraethyl Lead---Tetraethyl Lead |
| 29312000 | Other Organo-Inorganic Compounds -Tributyltin Compounds |
| 29319010 | Other Organo-Inorganic Compounds -Other---Organo Arsenic Compounds |
| 29319090 | Other Organo-Inorganic Compounds -Other---Other |
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