Methylcyclopentadienyl Manganese Tricarbonyl from Mexico

Methylcyclopentadienyl manganese tricarbonyl (MMT) is an organomanganese fuel additive replacing lead compounds. Classified 2931.90.90.52 as organo-inorganic with Mn-C bonds.

Duty Rate — Mexico → United States

3.7%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Import Tips

EPA fuel additive waiver required; include registration number

Class 6.1 toxic liquid UN 3283; secondary containment mandatory

Purity >98% required for fuel blending approval