Gluconic Acid Its Salts and Esters Mixture from Canada
Mixed gluconic acid, salts, and esters for industrial formulations, classified under HTS 2918.16.50.90 as other per Chapter 29 last-in-numerical-order rule. Used as chelating agent blend.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6096.3%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Composition breakdown by % required to confirm Chapter 29 applicability
• Chelating capacity (mL 0.1N Ca) specification validates functionality