Selenium Oxychloride from Mexico
Selenium oxychloride (SeOCl2) is an oily liquid used as a chlorinating agent in analytical chemistry and selenium compound synthesis. Falls under HTS 2812.90.00 as a halide oxide of nonmetals (selenium-chlorine oxide), chemically defined and not doped for electronics per notes. Highly reactive and moisture-sensitive.
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
• UN 2879 classification; inert atmosphere packaging essential to prevent hydrolysis
• TSCA inventory check; if electronic dopant form, may shift but liquid stays 2812
• Avoid bulk import without stabilizers—prone to decomposition en route