Epsilon-Caprolactone monomer

Independent reference data for Epsilon-Caprolactone monomer (CAS 502-44-3), compiled from public chemistry databases.

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

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]Plastic Composites Manufacturing [Category: Industry]

Synonyms and trade names

Epsilon-caprolactone; CAPROLACTONE; 502-44-3; 6-Hexanolactone; 2-Oxepanone; hexano-6-lactone; 6-Hexanolide; 1,6-Hexanolide; 1-Oxa-2-oxocycloheptane; Placcel M; 6-Hydroxyhexanoic acid lactone; Hexanoic acid, epsilon-lactone; Hexamethylene oxide, 2-oxo-; epsilon-Kaprolakton; DTXSID4027159; epsilon caprolactone

Regulatory listings held on file

Regulatory & Food Contact	FDA Cumulative Estimated Daily Intake (CEDI): FCS
GHS notification summary	34.5% (266 / 770)

GHS hazard classification

GHS notification summary	34.5% (266 / 770)
Reported hazard statements	H319 (60.1%)

This chemical does not meet GHS hazard criteria for 34.5% (266 of 770) of reports.

H319 (60.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

What the public record says

Epsilon-Caprolactone monomer · CAS 502-44-3 · C6H10O2. UNII 56RE988L1R. Boiling Point: 237 °C; Boiling Point: 215 °C @760 [mm Hg]; Melting Point: -1.5 °C.

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.