Sodium Aluminate Powder from China
Sodium aluminate (NaAlO2) is a water-soluble inorganic salt derived from aluminum oxide, used primarily in water treatment to adjust pH and remove impurities. It falls under HTS 2841.90.40.00 as an aluminate, which are salts of oxometallic acids of aluminum per Chapter 28 notes. This chemically defined compound is supplied as a fine white powder for industrial applications.
Duty Rate — China → United States
28.1%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Verify purity certificate to confirm it's chemically defined per Chapter 28 Note 1; ensure SDS includes CAS 1302-42-7
• Common pitfall: mislabeling as zeolite (may shift to 2827)
• Obtain EPA registration if for water treatment use