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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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