Ammonium Peroxochromate Powder from Mexico
Ammonium peroxochromate is a peroxometallic salt containing the peroxodichromate anion, fitting Chapter 28 notes for ammonium salts of oxometallic acids. It is classified in HTS 2841.50.91.00 as 'other' peroxochromates. Applied in bleaching agents and specialized oxidation processes.
Duty Rate — Mexico → United States
13.1%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include ammonium content verification in CoA, as per note on ammonium salts in headings 2826-2842
• Adhere to OSHA PEL limits in import declarations; common error is incomplete MSDS leading to holds
• Store in cool, dry conditions pre-clearance to prevent decomposition affecting purity tests