2811.29.20.00/Selenium Dioxide Powder/Mexico

Selenium Dioxide Powder from Mexico

Pure selenium dioxide (SeO2) in fine powder form, used primarily as a chemical reagent in laboratory settings for organic synthesis and analytical chemistry. It falls under HTS 2811.29.20.00 as an inorganic oxygen compound of the nonmetal selenium, specifically classified as selenium dioxide per the tariff schedule. This white crystalline powder is highly reactive and hygroscopic, requiring careful handling.

Duty Rate — Mexico → United States

0%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Verify purity certificate (typically >99%) and provide Material Safety Data Sheet (MSDS) as it's hazardous (toxic and corrosive)

• Ensure packaging complies with UN standards for corrosive solids (Class 8); declare as 'chemically defined' per Chapter 28 notes

• Avoid misclassification as selenium metal (2804.90); check for contaminants that could shift to 2842 complex salts