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HTS code reference›Chapter 38: Miscellaneous chemical products›3811.11

HTS Code 3811.11

Based on lead compounds:

Official tariff path

Antiknock 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: › Antiknock preparations: › Based on lead compounds:

Level: hs6General duty: Varies / see child provision

What does HTS 3811.11 cover?

This provision appears in the 2026 Harmonized Tariff Schedule of the United States under the following legal tariff hierarchy. A product must match the wording and applicable section or chapter notes before this code is used on an entry.

  1. 1Antiknock 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:
  2. 2Antiknock preparations:
  3. 3Based on lead compounds:

More specific provisions

3811.11.10.00Based on tetraethyl lead or on a mixture of tetraethyl lead and tetramethyl lead3811.11.50.00Other

Nearby tariff provisions

3811.19.00.00Other3811.21.00.00Containing petroleum oils or oils obtained from bituminous minerals3811.29.00.00Other3811.90.00.00Other
Official source and limitations

Based on USITC HTS 2026 Revision 12, published July 21, 2026. The general rate does not include every origin-specific program, Section 301 or 232 measure, antidumping or countervailing duty, quota, or other agency requirement.

Open this code in the official USITC search ↗