Acridine Orange Base from Canada
Acridine orange base is a dialkylamino-substituted acridine used as fluorescent dye precursor, classified under HTS 2933.99.0500 based on acridine core. The free base form precedes any hydrochloride salt classification.
Duty Rate — Canada → United States
0%
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
• Free base classified with acridine; salts follow base classification per Chapter notes
• Light-sensitive; amber packaging required to prevent degradation
• Avoid Chapter 32 classification by documenting use as chemical intermediate