Caprolactone
Agent Name
Caprolactone
CAS Number
502-44-3
Formula
C6-H10-O2
Major Category
Other Classes
Synonyms
1,6-Hexanolide; 2-Oxepanone; 6-Hexanolactone; 6-Hydroxyhexanoic acid lactone; Epsilon-caprolactone; Hexamethylene oxide, 2-oxo-; Hexanoic acid, 6-hydroxy-, epsilon-lactone; Placcel M; epsilon-Kaprolakton [Czech]; [ChemIDplus]
Category
Lactones
Description
Colorless liquid; Miscible in water; [eChemPortal: SIDSUNEP] Colorless liquid; [MSDSonline]
Sources/Uses
Used as a solvent, a diluent for epoxy resins, and an intermediate in adhesives, urethane coatings, and elastomers; [Hawley] Used in the production of polymers (polycaprolactones); [eChemPortal: SIDSUNEP]
Comments
Emergency treatment: "irritants"; [HSDB] Rapidly hydrolyzed in the body to 6-hydroxyhexanoic acid and rapidly excreted in urine; Irritating to eyes; No adverse effects in a 9-day inhalation study at 45 ppm; No evidence of reproductive effects; [ToxPlanet: UNEP: SIDS] An irritant; [MSDSonline]
Biomedical References
Exposure Assessment
Vapor Pressure
0.135 mm Hg
Explanatory Notes
VP from ChemIDplus;
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: