Acridine Orange Base from China
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 — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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