1-(2,4,6-Trichlorophenyl)-3-pyrazolidinone from Canada
Advanced pyrazolidinone developing agent used in rapid-access radiographic film processors. The chlorinated aromatic substitution on the pyrazole ring fits HTS 2933.19.30 photographic chemicals. Provides high activity for medical x-ray film development.
Duty Rate — Canada → United States
16.5%
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
• Hazardous material declarations required due to chlorinated aromatics; DOT shipping papers essential
• End-user letters from medical imaging companies strengthen photographic chemical claim