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Merck

8.02801

ε-Caprolactone

for synthesis

Synonym(s):

ε-Caprolactone, 2-Oxepanone, 6-Hydroxycaproic acid lactone

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About This Item

Empirical Formula (Hill Notation):
C6H10O2
CAS Number:
Molecular Weight:
114.14
UNSPSC Code:
12352115
EC Index Number:
207-938-1
NACRES:
NA.22
MDL number:

Product Name

ε-Caprolactone, for synthesis

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

vapor pressure

0.013 hPa ( 20 °C)

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

Quality Level

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

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).

pictograms

Exclamation mark

signalword

Warning

hcodes

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


Certificates of Analysis (COA)

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