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

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%3.7%
🇲🇽Mexico3.7%3.7%
🇨🇦Canada3.7%3.7%
🇩🇪Germany3.7%3.7%
🇯🇵Japan3.7%3.7%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3907.99Higher: 16.5% vs 3.7%

If polymerized to polycaprolactone

Polymerized lactones become polyesters classified in Chapter 39 plastics.

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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