4,4'-Dichlorobenzophenone from Canada
4,4'-Dichlorobenzophenone has chlorine substituents para on both phenyl rings of the benzophenone core, classifying as halogenated aromatic ketone under HTS 2914.79.40.00. Essential for polycarbonate resin production.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6094.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
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
• Provide polymer manufacturer end-use letters if challenging industrial vs. general classification
• Confirm <0.1% impurities per chapter note (a); high purity critical for duty determination
• Package in nitrogen-flushed containers to prevent hydrolysis during ocean transit