MMT Methylcyclopentadienyl Manganese Tricarbonyl Additive from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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