HSN Code for 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

The official HSN code for 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 is 3811 as notified under the GST Tariff by the Central Board of Indirect Taxes and Customs (CBIC). It is required on tax invoices and e-Way bills for accurate GST compliance.