Section VI — Products of the chemical or allied industries
Chapter 38 — Miscellaneous chemical products
Heading 3811 — Antiknock preparations, oxidation inhibitors, gum inhibitors, viscosity improvers, anticorrosive preparations and other prepared additives, for mineral oils (including gasoline) or for other liquids used for the same purposes as mineral oils.
National subdivision 3811.1 — Antiknock preparations:
Subheading 3811.19 — Other
HS code
3811.19.00 Anti-knock preparations (excl. based on lead)
Last Verified Date - 1 October 2026
Common commodities
Unleaded Manganese Tris(β-hydroxyethyl)phosphate octane boosterIron pentacarbonyl based non-lead anti-knock mixtureHigh octane manganese ketone additive for gasolineOrganic lead-free octane enhancer (MTBE mixture)Non-leaded iron based octane improverManganese ethylene bis(dithiocarbamate) unleaded fuel additiveLead-free manganese tricyclohexyldiphosphate octane boosterUnleaded gasoline enhancer with iron-based anti-knock agentManganese tris(2-ethylhexyl)dithiophosphate for non-lead anti-knock fuel additivesLead-free organic compound octane boosters for gasoline