Mercuric Chloride from Canada
Mercuric chloride (HgCl2), also known as corrosive sublimate, historically used as antiseptic but now mainly lab reagent, in 2827.39.90. Chemically defined mercury compound but chlorides take precedence.
Duty Rate — Canada → United States
3.7%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• TSCA Section 12(b) export notification; extreme toxicity
• Very restricted; end-use certificate often required
• Not to be imported without specific authorization