Promazine Synthesis Intermediate 2-(Trifluoromethyl)phenothiazine

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+10.0%16.5%
🇲🇽Mexico6.5%+10.0%16.5%
🇨🇦Canada6.5%+10.0%16.5%
🇩🇪Germany6.5%+10.0%16.5%
🇯🇵Japan6.5%+10.0%16.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2939Same rate: 16.5%

If for veterinary medicinal chemical intermediates

Heterocyclic compounds primarily for veterinary use may classify under the later-occurring heading 2939 per Chapter classification rule.

2921.49Same rate: 16.5%

If amide derivative dominates over phenothiazine structure

Amine-function compounds take precedence if nitrogen-function characteristics supersede heterocyclic ring classification.

3822Lower: 10% vs 16.5%

If imported as laboratory reagent kit component

Diagnostic or lab reagents containing this compound in prepared form shift to Chapter 38 provisions.

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Import Tips & Compliance

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