Gluconic Acid Ammonium Salt Solution from Canada
Ammonium gluconate solution serves as mild acidulant and buffer, classified under HTS 2918.16.50.90 per Chapter 29 note (c)(1) for inorganic salts of organic acids. Used in fermentation processes.
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
• Ammonia content declaration prevents misclassification as fertilizer
• Biodegradability certificate beneficial for wastewater treatment applications