Glucono-Delta-Lactone (GDL) from Canada
Glucono-delta-lactone is a six-membered lactone ring derived from gluconic acid, classified as other lactones under HTS 2932.20.50.50. Widely used as a slow-release acidulant in food processing.
Duty Rate — Canada → United States
3.7%
Rate breakdown
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
• GRAS affirmation letter and FDA prior notice required for food use imports
• Specify particle size and purity grade; food vs technical grades may have different requirements
• Hydrolysis stability data prevents reclassification as gluconic acid salts