Glucono-Delta-Lactone (GdL) Powder from China
Glucono-delta-lactone, the cyclic ester of gluconic acid, technically qualifies under broader carboxylic acid with alcohol function but commercially follows HTS 2918.16.50 pattern. Used as slow-release acidulant in food processing.
Duty Rate — China → United States
41.2%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include lactone ring confirmation via FTIR/NMR distinguishing from free acid
• Certify slow hydrolysis rate suitable for meat curing/baking applications
• Prevent hydrolysis during storage with low-humidity desiccated packaging