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HSN code 3811HSN code 3811: Anti-knock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils”
HSN heading 3811 sits in chapter 38 (Miscellaneous chemical products). It has 5 8-digit tariff items. On a tax invoice, businesses with turnover up to ₹5 crore show at least the 4-digit code 3811; 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 3811
| HSN code | Description |
|---|---|
| 38111100 | Anti-Knock Preparations, Oxidation Inhibitors, Gum Inhibitors, Viscosity Improvers, Anti-Corrosive Preparations And Other Prepared Additives, For Mineral Oils (Including Gasoline) Or For Other Liquids Used For The Same Purposes As Mineral Oils Anti-K… |
| 38111900 | Anti-Knock Preparations, Oxidation Inhibitors, Gum Inhibitors, Viscosity Improvers, Anti-Corrosive Preparations And Other Prepared Additives, For Mineral Oils (Including Gasoline) Or For Other Liquids Used For The Same Purposes As Mineral Oils Anti-K… |
| 38112100 | Anti-Knock Preparations, Oxidation Inhibitors, Gum Inhibitors, Viscosity Improvers, Anti-Corrosive Preparations And Other Prepared Additives, For Mineral Oils (Including Gasoline) Or For Other Liquids Used For The Same Purposes As Mineral Oils Additi… |
| 38112900 | Anti-Knock Preparations, Oxidation Inhibitors, Gum Inhibitors, Viscosity Improvers, Anti-Corrosive Preparations And Other Prepared Additives, For Mineral Oils (Including Gasoline) Or For Other Liquids Used For The Same Purposes As Mineral Oils Additi… |
| 38119000 | Anti-Knock Preparations, Oxidation Inhibitors, Gum Inhibitors, Viscosity Improvers, Anti-Corrosive Preparations And Other Prepared Additives, For Mineral Oils (Including Gasoline) Or For Other Liquids Used For The Same Purposes As Mineral Oils Additi… |
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