Epsilon-Caprolactone
Epsilon-caprolactone is a seven-membered lactone ring used in polymer synthesis for biomedical applications, classified under HTS 2932.20.50.50. Key monomer for biodegradable polycaprolactone.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If polymerized to polycaprolactone
Polymerized lactones become polyesters classified in Chapter 39 plastics.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Polymerization inhibitor content declaration to maintain lactone classification
• Biomedical end-use statement may qualify for special tariff programs
• Ring-opening polymerization data distinguishes from polymer under Chapter 39
Related Products under HTS 2932.20.50.50
Gamma-Butyrolactone (GBL)
Gamma-Butyrolactone is a five-membered lactone ring heterocyclic compound with oxygen as the sole hetero-atom, classified under HTS 2932.20.50.50 as 'other lactones.' It is a colorless liquid used as a solvent and intermediate in pharmaceutical and polymer production.
Ascorbic Acid (Vitamin C) Lactone
Ascorbic acid contains a five-membered lactone ring with oxygen hetero-atom, falling under HTS 2932.20.50.50 as other lactones. This essential vitamin is used in food supplements, cosmetics, and pharmaceuticals for its antioxidant properties.
Phthalide
Phthalide is a bicyclic lactone with a five-membered oxygen-containing heterocyclic ring fused to benzene, classified under 2932.20.50.50. Used as an intermediate in dye and pharmaceutical synthesis.
Butyrolactone Technical Grade
Technical grade gamma-butyrolactone (GBL) with ≥99% purity, a simple five-membered lactone ring compound under HTS 2932.20.50.50. Used in resin production and as a polymer solvent.
Glucono-Delta-Lactone (GDL)
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.
Pantolactone
Pantolactone, a five-membered lactone used in pantothenic acid (Vitamin B5) synthesis, classified under HTS 2932.20.50.50 for other oxygen-heterocycle lactones. Essential intermediate for vitamin production.