704067
ε-Caprolactone
97%
Synonym(s):
2-Oxepanone, 6-Caprolactone monomer, 6-Hexanolactone
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About This Item
Empirical Formula (Hill Notation):
C6H10O2
CAS Number:
Molecular Weight:
114.14
Beilstein:
106919
EC Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
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vapor density
3.9 (vs air)
Quality Level
vapor pressure
0.01 mmHg ( 20 °C)
Assay
97%
form
liquid
refractive index
n20/D 1.463 (lit.)
bp
97-98 °C/15 mmHg (lit.)
density
1.03 g/mL at 25 °C (lit.)
SMILES string
O=C1CCCCCO1
InChI
1S/C6H10O2/c7-6-4-2-1-3-5-8-6/h1-5H2
InChI key
PAPBSGBWRJIAAV-UHFFFAOYSA-N
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General description
ε-caprolactone is a cyclic ester. Ring opening polymerization of ε-caprolactone initiated by, tributylin n butoxide, ethyl magnesium bromide, or samarium acetate or heteropolyacid, leads to the formation of poly caprolactone (PCL).
Application
ε-caprolactone is popularly used in the preparation of poly caprolactone (PCL).
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2
Storage Class Code
10 - Combustible liquids
WGK
WGK 1
Flash Point(F)
228.2 °F - closed cup
Flash Point(C)
109 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Self-associating cellulose-graft-poly(ɛ-caprolactone) (cellulose-g-PCL) copolymers were successfully synthesized via homogeneous ring-opening polymerization (ROP) of ɛ-CL onto softwood dissolved pulp substrate in ionic liquid 1-N-butyl-3-methylimidazolium chloride ([Bmim]Cl). An organic catalyst N,N-dimethylamino-4-pyridine (DMAP) was compared with the traditional metal-based catalyst (Sn(Oct)(2)) as the
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