Glucono-delta-Lactone (GDL) from Canada
Glucono-delta-lactone is a six-membered lactone derived from glucose oxidation, with oxygen heteroatom only, under HTS 2932.20.50. Widely used as slow-release acidulant in food processing.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• GRAS status requires affirmative safety documentation for novel uses
• 25kg fiber drums standard; bulk super sacks need FDA prior notice
• Hydrolysis rate testing prevents misclassification as gluconic acid