ε-Caprolactone (6-Hexanolactone, CAS 502-44-3) is a clear colorless cyclic ester liquid, mainly supplied as 99.0% min monomer grade for biodegradable polymer, polyurethane, coating and adhesive synthesis. 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
Product Information
Product Name: ε-Caprolactone / 6-Hexanolactone
CAS No.: 502-44-3
EINECS No.: 207-938-1
Molecular Formula: C₆H₁₀O₂
Molecular Weight: 114.14
Synonyms: 2-Oxepanone, Epsilon-Caprolactone, CL monomer
Chemphysical Properties
Appearance: Colorless transparent liquid
Density (20℃): ~1.030 g/cm³
Boiling Point: 230 ℃
Melting Point: -1 ℃
Refractive Index nD20: 1.463-1.465
Flash Point: 112 ℃
Solubility: Miscible with most organic solvents, partially soluble in water
Quality Specification
| Item | Standard |
|---|---|
| Purity (GC) | ≥99.0% |
| Water Content | ≤0.05% |
| Acid Value (mgKOH/g) | ≤0.10 |
| Color (Pt-Co) | ≤15 |
Use & Application
- Raw monomer for polycaprolactone (PCL), biodegradable polyester, polyurethane polyol
- Used in high-performance coatings, cast elastomers, adhesives, ink, synthetic leather
- Modifier for epoxy resin, acrylic resin to improve flexibility
Packing, Delivery & Storage
Packing: 200kg plastic drum, 80drums(16mt)/20''container with/without pallet (4 drums/pallet)
Storage: Keep tightly sealed, store in cool, dry and ventilated warehouse, away from heat, fire and oxidants.
Shelf Life: 24 months under proper storage
Important attention
ε-Caprolactone (6-Hexanolactone, CAS 502-44-3) must be used solely for legal purposes. Please strictly verify and confirm its actual legal end-use before inquiring or ordering with us. Diversion for illicit synthesis or any illegal application is strictly forbidden. Legal liabilities will be held for any misuse or diversion. We reserve rights to conduct end-use inspection.
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