Glucono-delta-Lactone (GDL)
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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| π¨π³China | 3.7% | +12.5% | 16.2% |
| π²π½Mexico | 3.7% | +10.0% | 13.7% |
| π¨π¦Canada | 3.7% | +10.0% | 13.7% |
| π©πͺGermany | Free | +10.0% | 10% |
| π―π΅Japan | Free | +12.5% | 12.5% |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If purity <98% with sugar impurities
Vegetable carbohydrate derivatives when not meeting pure compound standards.
If marketed as carboxylic acid equivalent
Functional equivalence to gluconic acid may trigger earlier classification.
If pre-dissolved pickle liquor preparations
Industrial chemical mixtures exceed lactone purity requirements.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code β and can price the duty on it in the same conversation.
Import Tips & Compliance
β’ GRAS status requires affirmative safety documentation for novel uses
β’ 25kg fiber drums standard; bulk super sacks need FDA prior notice
β’ Hydrolysis rate testing prevents misclassification as gluconic acid
Related Products under HTS 2932.20.50
Ξ³-Butyrolactone (GBL)
Ξ³-Butyrolactone is a five-membered lactone ring heterocyclic compound with oxygen as the sole heteroatom, classified under HTS 2932.20.50 as 'other lactones'. It is a colorless liquid used as a solvent and intermediate in pharmaceutical synthesis.
Ξ΅-Caprolactone
Ξ΅-Caprolactone, a seven-membered lactone with oxygen heteroatom, is classified under HTS 2932.20.50 as other lactones. Primary use as monomer for polycaprolactone in biomedical applications.
Pantolactone
Pantolactone, a five-membered lactone used in pantothenic acid synthesis, contains oxygen heteroatom only and falls under HTS 2932.20.50. Essential intermediate for vitamin B5 production.
Diethyl L-tartrate
Diethyl L-tartrate contains a five-membered lactone-like structure in tartaric acid derivatives with oxygen heteroatoms, classified under HTS 2932.20.50 per ester rules. Used as chiral auxiliary in asymmetric synthesis.
Levulinic Acid Lactone
Levulinic acid lactone, a biomass-derived six-membered ring lactone with oxygen heteroatom, falls under HTS 2932.20.50. Used in green chemistry solvent applications.
Ribonolactone
Ribonolactone, a five-membered furanose lactone from ribose, contains oxygen heteroatom only and is classified under HTS 2932.20.50. Used in nucleotide synthesis.