2-Hydroxy-3-dibenzofurancarboxylic acid, 98% purity from Canada
Technical grade 2-Hydroxy-3-dibenzofurancarboxylic acid with 98% purity, containing minor impurities but still chemically defined per Chapter Note 1(a). Directly matches HTS 2932.99.35.00 as the specific named aromatic heterocyclic compound with oxygen hetero-atoms. Supplied as off-white powder for synthetic applications.
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
• Impurities <2% allowed per Chapter Note 1(a); provide chromatograms showing no other isomers dominate
• Use proper NA1993 (Other Substances) for DOT shipping if corrosive
• Avoid over-dilution that triggers solvent solution exclusions in Chapter Notes