Palladium on Barium Sulfate for Rosenmund Reduction from Canada
Poisoned 5% Pd/BaSO4 catalyst (with quinoline) for selective hydrogenation of acid chlorides to aldehydes (Rosenmund reduction). HTS 3815.12.00 classification for supported precious metal catalyst. Classic organic synthesis catalyst still used in pharma production.
Duty Rate — Canada → United States
10%
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
• Specify poisoning agent and level (critical for selectivity); BaSO4 must be confirmed as inert support; avoid moisture exposure documentation