Sodium Peroxotungstate from Mexico
Sodium peroxotungstate acts as a catalyst in oxidation reactions. Classified as an other peroxoacid salt in 2842.90.90.
Duty Rate — Mexico → United States
13.3%
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
• Tungsten content declaration for Section 232 if applicable
• pH stability info in COA
• Light-sensitive; amber packaging