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704067

Sigma-Aldrich

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:
502-44-3
Molecular Weight:
114.14
Beilstein:
106919
EC Number:
207-938-1
MDL number:
MFCD00003267
UNSPSC Code:
12162002
PubChem Substance ID:
329762090
NACRES:
NA.23

vapor density

3.9 (vs air)

Quality Level

200

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).

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Lin Weng et al.
Advanced healthcare materials, 7(10), e1701415-e1701415 (2018-03-03)
An ideal synthetic bone graft is a combination of the porous and nanofibrous structure presented by natural bone tissue as well as osteoinductive biochemical factors such as bone morphogenetic protein 2 (BMP-2). In this work, ultralight 3D hybrid nanofiber aerogels
Yanzhu Guo et al.
Carbohydrate polymers, 92(1), 77-83 (2012-12-12)
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
Leonardus Kresna Widjaja et al.
Journal of the mechanical behavior of biomedical materials, 6, 80-88 (2012-02-04)
A series of triblock copolymers comprising end block of PLLA modified with PCL, and random copolymer of PCL and PTMC as soft segment were synthesized. DSC data show that PCL disrupted the crystallinity of PLLA, making the hard block to
Ethyl magnesium bromide as an efficient anionic initiator for controlled polymerization of e-caprolactone
Malinova L, et al.
Polym. Bull., 71(1), 111-123 (2013)
Kinetics and thermodynamics analysis for ring-opening polymerization of e-caprolactone initiated by tributyltin n-butoxide using differential scanning calorimetry, Wanich Limwanich, et al
Wanich L, et al.
Journal of Thermal Analysis and Calorimetry, 119(1), 567-579 (2015)
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