2932.20.50.50/Glucono-Delta-Lactone (GDL)/Japan

Glucono-Delta-Lactone (GDL) from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Calculate with your customs value Verify classification with AI

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