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HomeProduct name listε-Caprolactone

ε-Caprolactone

Synonym(s):2-Oxepanone;ε-Caprolactone;gamma-Caprolactone;6-Hexanolactone;6-Caprolactone monomer

  • CAS NO.:502-44-3
  • Empirical Formula: C6H10O2
  • Molecular Weight: 114.14
  • MDL number: MFCD00003267
  • EINECS: 207-938-1
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-30 18:52:02
ε-Caprolactone Structural

What is ε-Caprolactone?

Chemical properties

Clear colorless liquid, yellowing on ageing

The Uses of ε-Caprolactone

ε-Caprolactone is widely used as a monomer in the manufacturing of highly specialized polymers. It is mainly utilized as a precursor to caprolactam. It finds an application in the synthesis of polyglecaprone, which is used as a suture material in surgery.

The Uses of ε-Caprolactone

Intermediate in adhesives, urethane coatings, and elastomers; solvent; diluent for epoxy resins; synthetic fibers; organic synthesis.

The Uses of ε-Caprolactone

ε-caprolactone is popularly used in the preparation of poly caprolactone (PCL).

What are the applications of Application

ε-Caprolactone is a lactone building block used for the preparation of titanium alkoxides based on benzotriazole phenoxide ligands

Definition

ChEBI: A epsilon-lactone that is oxepane substituted by an oxo group at position 2.

Synthesis Reference(s)

Journal of the American Chemical Society, 80, p. 4079, 1958 DOI: 10.1021/ja01548a063
The Journal of Organic Chemistry, 61, p. 4560, 1996 DOI: 10.1021/jo952237x
Tetrahedron Letters, 17, p. 2455, 1976 DOI: 10.1016/0040-4039(76)90018-6

General Description

ε-caprolactone is a cyclic ester. Ring opening polymerization of ε-caprolactone initiated by, tributylin n butoxide, ethyl magnesium bromide, or samarium acetate or heteropolyacid, leads to the formation of poly caprolactone (PCL).

Flammability and Explosibility

Not classified

Properties of ε-Caprolactone

Melting point: -1 °C
Boiling point: 96-97.5 °C10 mm Hg(lit.)
Density  1.03 g/mL at 25 °C(lit.)
vapor density  3.9 (vs air)
vapor pressure  0.01 mm Hg ( 20 °C)
refractive index  n20/D 1.463(lit.)
Flash point: 229 °F
storage temp.  Store below +30°C.
solubility  Chloroform, Ethyl Acetate
form  Liquid
color  Clear colorless, yellowing on aging
explosive limit 1.2-9%(V)
Water Solubility  >1000 MG/L (20 ºC)
BRN  106919
CAS DataBase Reference 502-44-3(CAS DataBase Reference)
NIST Chemistry Reference 2-Oxepanone(502-44-3)
EPA Substance Registry System 2-Oxepanone (502-44-3)

Safety information for ε-Caprolactone

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H319:Serious eye damage/eye irritation
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P337+P313:IF eye irritation persists: Get medical advice/attention.

Computed Descriptors for ε-Caprolactone

InChIKey PAPBSGBWRJIAAV-UHFFFAOYSA-N

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