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O-Cyclohexyl Methylphosphonofluoridate from Mexico

Features a cyclohexyl cycloalkyl (C6 ≤C10) O-group, methyl alkyl, and fluoride on phosphorus, fitting HTS 2931.59.0010 for O-alkyl (including cycloalkyl) alkyl phosphonofluoridates. This pure, chemically defined compound adheres to Chapter 29 notes excluding solvents or additives.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter

Import Tips

Document cycloalkyl structure per Chapter 29 note on organo-inorganic compounds; test for impurities <1%

Pitfall: confusion with pesticide phosphonates lacking fluorine

Use DOT hazmat shipping declarations