PPO (2,5-Diphenyloxazole) Research Chemical from Mexico
Laboratory-grade 2,5-Diphenyloxazole imported for organic synthesis and fluorescence studies under HTS 2934.99.08.00. This compound serves as wavelength shifter in multi-component scintillator systems and precursor for custom fluorophores. Packaged in amber glass for light-sensitive applications.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%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
• Label shipments 'Research Chemical - Not for Drug Use' to prevent FDA pharmaceutical scrutiny
• Include REACH compliance documentation for EU-origin material entering US markets
• Use child-resistant packaging meeting 16 CFR 1700 standards for consumer chemical safety