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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

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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

Methylcyclopentadienyl Manganese Tricarbonyl from Mexico — Import Duty Rate | HTS 2931.90.90.52