Pentachlorocyclopentane from Mexico
Pentachlorocyclopentane serves as a reactive intermediate in fluorochemical and pesticide synthesis, featuring five chlorine atoms on a five-membered cyclopentane ring. HTS 2903.89.70.90 applies as a halogenated cyclanic hydrocarbon per Chapter 29 definitions, excluding sulfonated or aromatic derivatives. The high chlorine content requires specialized safety handling.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Require stability test certificates for transport; declare exact chlorine substitution pattern; monitor for inadvertent classification as pesticide intermediate under Chapter 38