δ-Valerolactone
δ-Valerolactone is a six-membered lactone ring compound containing oxygen heteroatom only, falling under HTS 2932.20.50 as other lactones. Used in polymer production and as a biodegradable plasticizer.
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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 degree of polymerization exceeds 10 units
Polymerized lactones become polyesters classified in Chapter 39 plastics.
If for bulk industrial use without purity specification
Carboxylic acid derivatives without heterocyclic emphasis may classify under oxygen function acids.
If diluted with water or stabilizers for safety transport
Chemical preparations with added stabilizers exceed pure compound criteria per Chapter 29 notes.
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Import Tips & Compliance
• Include polymerization inhibition certificate if stored >6 months to prevent classification as polymer
• Use DOT-spec drums; avoid glass bottles which trigger higher handling fees
Related Products under HTS 2932.20.50
γ-Butyrolactone (GBL)
γ-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.
ε-Caprolactone
ε-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.
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.
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.