ε-Caprolactone

CAS Registry Number®

502-44-3

CAS Name

ε-Caprolactone

Molecular Formula

C6H10O2

Molecular Mass

114.14

Cite this Page

ε-Caprolactone.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=502-44-3 (retrieved 2025-03-28) (CAS RN: 502-44-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    104-106 °C @ Press: 10 Torr
  • Melting Point (2)

    -18 °C
  • Density (3)

    1.16 g/cm³

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C6H10O2/c7-6-4-2-1-3-5-8-6/h1-5H2

InChIKey

InChIKey=PAPBSGBWRJIAAV-UHFFFAOYSA-N

SMILES

O=C1CCCCCO1

Canonical SMILES

O=C1OCCCCC1

Other Names for this Substance

  • 2-Oxepanone
  • Hexanoic acid, 6-hydroxy-, lactone
  • Caprolactone
  • ε-Caprolactone
  • Epsilon-caprolactone

Deleted or Replaced CAS Registry Numbers

52004-64-5, 67184-99-0, 80137-66-2

CAS INSIGHTSTM
A hexagon honeycomb pattern featuring icons representing Data Fabric Analytics, Antennas, Construction, DNA, and Sustainability Bamboo. Each hexagon contains a distinct symbol related to its theme, arranged in a visually appealing and interconnected design.