Mercuric Cyanide Laboratory Grade from Canada
Mercuric cyanide (Hg(CN)2) is a highly toxic white crystalline compound used in gold mining extraction and organic synthesis. It qualifies for HTS 2852.10.10.00 as a chemically defined mercury compound explicitly named in the subheading. Strict handling protocols are required due to its extreme poison hazard.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Require end-user certificates proving legitimate industrial use; many countries restrict to verified chemical manufacturers
• Classify under UN 1636 with Poison Inhalation Hazard Zone A markings for ocean/air transport
• Monitor CN codes for cyanide content declarations to avoid dual chemical weapon convention scrutiny