Sulfadiazine Sodium Salt from China
Sulfadiazine sodium is the sodium salt of a pyrimidine-containing sulfonamide antibiotic, aromatic heterocyclic structure. Classified in HTS 2933.59.80.00 as the organic base occurs after sulfonated derivatives per chapter salt notes. Pharmaceutical bulk import.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.6093.5%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• ,pH stability testing documentation prevents rejection at entry for salt form integrity
• Avoid 'antibiotic finished product' declaration to stay in Chapter 29 chemicals