Hexachlorobenzene Technical from Canada
Hexachlorobenzene (HCB) is a fully chlorinated benzene ring compound historically used as seed fungicide, now mostly reference standard. As a classic halogenated aromatic pesticide, it matches HTS 2903.99.30.00 exactly. Persistent organic pollutant status.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• PIC procedure under Rotterdam Convention mandatory
• Strict quantity limits for non-research imports
• High purity certification (>99%) essential