2826.19.10.00/Ammonium Fluoride/Mexico

Ammonium Fluoride from Mexico

Ammonium fluoride (NH4F) is a white crystalline salt used in chemical synthesis, glass etching, and as a fluorine source in pharmaceuticals. It falls under HTS 2826.19.1000 as an ammonium fluoride, classified within complex fluorine salts of Chapter 28. This chemically defined inorganic compound meets the chapter's criteria for fluorides other than those specified elsewhere.

Duty Rate — Mexico → United States

13.1%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

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Import Tips

• Verify purity and chemical composition via lab certification to confirm classification as chemically defined under Chapter 28 Note 1

• Include Safety Data Sheets (SDS) and proper hazardous material declarations, as it's corrosive and requires UN-approved packaging

• Avoid misclassification as organo-fluorine compounds; ensure no organic substituents to stay in inorganic heading 2826