Sulfapyridine Silver Salt from China
Silver sulfadiazine 1% cream prevents burn wound infections; silver ions potentiate sulfonamide. HTS 2935.90.4800 classification as sulfonamide anti-infective coordination compound per Chapter 29 note (C)(3). Poorly absorbed for topical action.
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
• Silver ion release profile validates antibacterial synergy
• Coordination compound documentation prevents Chapter 28 metal classification
• Cream stability data despite light-induced discoloration