Methylcyclopentadienyl Manganese Tricarbonyl from China
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 — China → United States
28.7%
Rate breakdown
9903.88.0425%Except as provided in headings 9903.88.33, 9903.88.34, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(g) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(g)
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