Refined Anhydrous Borax (Na2B4O7) from Germany
Refined anhydrous borax, also known as anhydrous sodium tetraborate, is a white, odorless powder used in glass manufacturing and as a cleaning agent. It falls under HTS 2840.19.00.00 as 'other' disodium tetraborate (refined borax) that is not the decahydrate form. This chemically defined inorganic compound meets Chapter 28 criteria for borates.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify purity and refinement level via lab analysis certificates to confirm refined borax status; ensure SDS includes CAS 1330-43-4
• Common pitfall: confusing with unrefined borates from Chapter 25
• Label as hazardous if hydrated forms present