HSN code

HSN 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

GST rate

18%

Within a state
CGST 9% + SGST 9%
Between states
IGST 18%
Calculate GST at 18%

Where this code sits

  1. Chapter 38 — Miscellaneous chemical products
  2. 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

Last updated on BaelTrade: 11 September 2026

Products under HSN 3811 on BaelTrade

No products are listed under this code yet. Be the first to list yours.

Common questions

What is the 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 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.
What is the GST rate for HSN 3811?
The GST rate for HSN 3811 is 18%. Within a state it is charged as CGST 9% plus SGST 9%; between states as IGST 18%.

Rates are for reference, taken from BaelTrade’s tax master. Check the latest CBIC notification or ask your tax adviser before filing.