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% | β | 3.7% |
| π²π½Mexico | 3.7% | β | 3.7% |
| π¨π¦Canada | 3.7% | β | 3.7% |
| π©πͺGermany | 3.7% | β | 3.7% |
| π―π΅Japan | 3.7% | β | 3.7% |
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.
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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.