Mercurous Phosphide Powder from Mexico
Mercurous phosphide is a phosphide of mercury in powdered form, utilized in pyrotechnic compositions and analytical chemistry. Classified under HTS 2852.90.0500 as a mercury phosphide, meeting the 'chemically defined' criteria from subheading note. It requires stringent safety protocols during import.
Duty Rate — Mexico → United States
10%
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
• Declare as UN 2025 Mercury Compounds hazardous substance; provide Safety Data Sheet (SDS) in English; verify state-level mercury handling permits before distribution