6-Hexanolactone, also known as epsilon-caprolactone (ε-Caprolactone), CAS 502-44-3, is a colorless oily cyclic ester liquid, mainly supplied in high purity monomer grade. It serves as key raw material to produce polycaprolactone (PCL), widely applied in biodegradable polymers, polyurethane elastomers, coatings, adhesives and resin modification. TNJ Chemical is the key manufacturer and exporter since from 2001 in China. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. To find more, please contact sales@tnjchem.com

Chemical Name 6-Hexanolactone

Common Name ε-Caprolactone, Epsilon Caprolactone, 2-Oxepanone

CAS No. 502-44-3

Molecular Formula C₆H₁₀O₂

Molecular Weight 114.14

EINECS No. 207-938-1

Synonym 6-Caprolactone monomer, Hexan-6-olide

Chemphysical Properties

Appearance: Colorless transparent oily liquid

Odor: Mild faint odor

Density: 1.03 g/cm³ @20℃

Boiling Point: 235 ℃

Flash Point: 109 ℃

Solubility: Slightly soluble in water, miscible with most organic solvents

Character: Reactive cyclic ester, easy to undergo ring-opening polymerization, sensitive to moisture and heat

Quality Specification

Use & Application

Biodegradable polymer: Raw material for polycaprolactone (PCL), used for biodegradable plastic, medical suture and drug delivery carrier.

Polyurethane industry: Modifier for PU elastomer, PU adhesive, PU coating to improve low-temperature flexibility.

Resin & coating: Epoxy modifier, coating raw material, improve gloss, toughness and anti-sticking property.

Synthetic material: Intermediate for synthetic rubber, synthetic fiber, caprolactam and adipic acid production.

Packing

Delivery & Storage