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Sodium Peroxotungstate

Sodium peroxotungstate acts as a catalyst in oxidation reactions. Classified as an other peroxoacid salt in 2842.90.90.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.3%+35.0%38.3%
🇲🇽Mexico3.3%+10.0%13.3%
🇨🇦Canada3.3%+10.0%13.3%
🇩🇪Germany3.3%+10.0%13.3%
🇯🇵Japan3.3%+10.0%13.3%

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2841.80.00Lower: 30.5% vs 38.3%

If tungstates without peroxo

Regular tungstates 2841; peroxo distinguishes to 2842.

2849.90.50.00Higher: 38.7% vs 38.3%

If carbide forms

Chapter notes direct certain tungsten compounds elsewhere.

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Import Tips & Compliance

Tungsten content declaration for Section 232 if applicable

pH stability info in COA

Light-sensitive; amber packaging