Ammonium Permanganate Powder from Japan
Ammonium permanganate (NH4MnO4) is an unstable oxidizing salt used in analytical chemistry and pyrotechnics. It qualifies under HTS 2841.69.00 per Chapter Note 6, as ammonium salts of peroxometallic acids are included in headings 2826-2842.
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
• Provide stability data; highly reactive—declare as oxidizer to avoid delays
• For lab use, include end-use certificates to prevent commercial vs. research disputes