Ferric Ammonium Sulfate from Japan
Ferric ammonium sulfate ((NH4)Fe(SO4)2·12H2O) is used in analytical chemistry and as a mordant in dyeing. It qualifies under HTS 2833.29.20.00 as a sulfate of iron, treated as a metal salt per Chapter 28 notes on complex salts.
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%
Import Tips
• Declare as 'of iron' emphasizing the iron component to align with subheading
• Include REACH or TSCA registration if for lab/research import into US
• Prevent moisture absorption with desiccants to avoid hydrate state changes