8.02801

ε-Caprolactone

for synthesis

• Synonym(s): ε-Caprolactone, 2-Oxepanone, 6-Hydroxycaproic acid lactone
• Empirical Formula (Hill Notation): C₆H₁₀O₂
• CAS Number: 502-44-3
• Molecular Weight: 114.14
• UNSPSC Code: 12352115
• EC Index Number: 207-938-1
• NACRES: NA.22
• MDL number: MFCD00003267

Properties

• vapor pressure: 0.013 hPa ( 20 °C)
• Quality Level: 200
• assay: ≥98.0% (GC)
• form: liquid
• autoignition temp.: 204 °C
• potency: >2000 mg/kg LD₅₀, oral (Rat), 5990 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 1.2-9 % (v/v)
• bp: 235 °C/1013 hPa
• mp: -1.5 °C
• transition temp: flash point 127 °C
• density: 1.07 g/cm³ at 20 °C
• storage temp.: 2-30°C
• SMILES string: O1CCCCC[C]1[O]
• InChI: 1S/C6H10O2/c7-6-4-2-1-3-5-8-6/h1-5H2
• InChI key: PAPBSGBWRJIAAV-UHFFFAOYSA-N

Description

Application

• Redox Control of Group 4 Metal Ring-Opening Polymerization Activity toward l-Lactide and ε-Caprolactone: Discusses the impact of redox conditions on the efficiency of ring-opening polymerization of ε-caprolactone, important for synthesizing biodegradable plastics (X Wang, JL Brosmer, 2014).

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.075 - 1.076
Water (K. F.): ≤ 0.10 %
Identity (IR): passes test

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H319
• pcodes: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Hazard Classifications: Eye Irrit. 2
• Storage Class: 10 - Combustible liquids
• wgk: WGK 1
• flash_point_f: 228.2 °F - closed cup
• flash_point_c: 109 °C - closed cup