Industrial Sodium Gluconate 98% Powder from Mexico
High-purity 98% sodium gluconate powder used in water treatment as a corrosion inhibitor and scale preventer. This chemically defined salt of gluconic acid falls squarely under HTS 2918.16.50.10 per chapter notes for carboxylic acids with alcohol function. Supplied with anti-caking stabilizer permitted under chapter note (f).
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include stabilizer composition (<1%) in SDS to justify chapter note (f) allowance
• Use INC 2918165010 exactly; generic 'chelating agent' invites CBP scrutiny
• Bulk powder shipments need dust mitigation certification for safety compliance