MMT Methylcyclopentadienyl Manganese Tricarbonyl Additive from Canada
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.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• 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