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]

Exposure Assessment
Vapor Pressure

0.13 mm Hg

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Processes

Industrial Processes with risk of exposure: