Promazine Synthesis Intermediate 2-(Trifluoromethyl)phenothiazine from China
Specialty-grade 2-(Trifluoromethyl)phenothiazine used in multi-step synthesis of promazine-type antipsychotic medications. This exact chemical structure is enumerated under HTS 2934.30.12.00 within the phenothiazine ring-system provisions of heading 2934.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Declare intended downstream pharmaceutical use in CBP entry summary to support correct Chapter 29 classification
• Maintain batch traceability documentation linking to cGMP manufacturing standards for audit purposes
• Avoid bulk packaging over 25kg drums; smaller pharma-grade containers reduce contamination risks and classification challenges