2935.90.48.00/Sulfapyridine Silver Salt/Japan

Sulfapyridine Silver Salt from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Silver ion release profile validates antibacterial synergy

• Coordination compound documentation prevents Chapter 28 metal classification

• Cream stability data despite light-induced discoloration