MMT Methylcyclopentadienyl Manganese Tricarbonyl Additive
MMT is a highly effective organometallic antiknock compound used to boost octane ratings in gasoline engines. It falls under HTS 3811.19.00.00 as an 'other' antiknock preparation specifically designed for mineral oils like gasoline. This additive improves combustion efficiency and reduces engine knocking in high-performance fuels.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified primarily as an oxidation inhibitor
Products with dual function where anti-oxidant properties dominate may shift to subheading for oxidation inhibitors rather than antiknock preparations.
If containing mainly petroleum oils
Chapter notes exclude mixtures where petroleum oils predominate; such products would classify under petroleum oils heading instead of prepared additives.
If prepared for specific chemical industry waste treatment
Certain additive formulations containing listed persistent pollutants fall under 3824 prepared chemical mixtures per subheading notes.
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Import Tips & Compliance
• Obtain EPA registration for fuel additives prior to import; ensure proper labeling with chemical composition and handling warnings; verify TSCA compliance for chemical substances entering US commerce
Related Products under HTS 3811.19.00.00
Ferrocene Octane Booster Concentrate
Ferrocene-based additive provides metal combustion catalysts to enhance gasoline octane without lead. Classified under HTS 3811.19.00.00 as an antiknock preparation for mineral oils. Used in racing fuels and premium gasoline formulations.
Tetraethyllead TEL Replacement Blend
Modern TEL substitute formulation using non-lead organometallics for aviation gasoline antiknock performance. HTS 3811.19.00.00 covers these 'other' antiknock preparations for aviation mineral oils. Essential for maintaining high-octane 100LL avgas specifications.
Polyether Amine Fuel System Cleaner Additive
High-potency polyether amine antiknock formulation that also cleans injectors and prevents carbon deposits. Falls under HTS 3811.19.00.00 as an antiknock preparation despite cleaning benefits. Used in premium aftermarket gasoline treatments.
Hi-Test Octane Booster Concentrate
Concentrated blend of alkyl nitrates and aromatic hydrocarbons for substantial octane improvement in gasoline. HTS 3811.19.00.00 specifically covers these 'other' antiknock preparations for racing and off-road fuels. Delivers 100+ octane when properly dosed.
Aviation 100LL Octane Enhancer
Specialized antiknock additive formulated for 100LL low-lead aviation gasoline to meet ASTM D910 specifications. Classifies under HTS 3811.19.00.00 as other antiknock preparation for aviation mineral oils. Critical for general aviation piston engines.
Racing Fuel TEL-Free Antiknock Package
Comprehensive TEL-free antiknock system using manganese and iron organometallics for methanol racing fuels. HTS 3811.19.00.00 covers these specialized antiknock preparations compatible with alcohol-based racing fuels. Used in Top Fuel dragsters and methanol circle track racing.