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
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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