9-Fluorenone-2-Carboxylic Acid from Canada
A fluorenone derivative with carboxylic acid at position 2, used in advanced materials and OLED synthesis. Falls under HTS 2918.30.2500 as an aromatic ketone-carboxylic acid specifically referenced in additional U.S. note 3 to section VI.
Duty Rate — Canada → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• HPLC purity certificate mandatory; fluorenone impurities can shift classification
• Special packaging for light-sensitive material; declare as 'organic semiconductor intermediate'
• Avoid bulk powder entry without anti-caking agent justification per chapter note (f)