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137448

Sigma-Aldrich

2-Methyl-2-oxazoline

98%

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Synonym(s):
2-Methyloxazoline
Empirical Formula (Hill Notation):
C4H7NO
CAS Number:
Molecular Weight:
85.10
Beilstein/REAXYS Number:
104227
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

98%

form

liquid

refractive index

n20/D 1.434 (lit.)

bp

109.5-110.5 °C (lit.)

density

1.005 g/mL at 25 °C (lit.)

SMILES string

CC1=NCCO1

InChI

1S/C4H7NO/c1-4-5-2-3-6-4/h2-3H2,1H3

InChI key

GUXJXWKCUUWCLX-UHFFFAOYSA-N

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1 of 4

This Item
137456139440638617
vibrant-m

137448

2-Methyl-2-oxazoline

vibrant-m

137456

2-Ethyl-2-oxazoline

vibrant-m

139440

Diethyl 2-bromo-2-methylmalonate

vibrant-m

638617

2-(Tri-n-butylstannyl)oxazole

assay

98%

assay

≥99%

assay

98%

assay

-

bp

109.5-110.5 °C (lit.)

bp

128.4 °C (lit.)

bp

-

bp

108-110 °C/0.2 mmHg (lit.)

form

liquid

form

liquid

form

liquid

form

-

density

1.005 g/mL at 25 °C (lit.)

density

0.982 g/mL at 25 °C (lit.)

density

1.325 g/mL at 25 °C (lit.)

density

1.170 g/mL at 25 °C, 1.71 g/mL at 25 °C (lit.)

refractive index

n20/D 1.434 (lit.)

refractive index

n20/D 1.437 (lit.)

refractive index

n20/D 1.449 (lit.)

refractive index

n20/D 1.4930 (lit.)

General description

2-Methyl-2-oxazoline undergoes polymerization with 2-butyl-2-oxazoline to form poly(2-oxazoline) block copolymer. It undergoes cationic ring-opening polymerization with 2-(dec-9-enyl)-2-oxazoline to yield copoly(2-oxazoline)s.

Application

2-Methyl-2-oxazoline was used in cationic polymerization of a series of linear 2-alkyl-2-oxazolines under microwave irradiation.

pictograms

Flame

signalword

Danger

hcodes

pcodes

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

68.0 °F - closed cup

flash_point_c

20 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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Poly(2-oxazoline)s represent an emerging class of polymers with increasing potential in biomedical sciences. To date, most of the work on poly(2-oxazoline)-drug conjugates focused on poly(2-ethyl-2-oxazoline) (PEtOx), a biocompatible water-soluble polymer with biological properties similar to polyethylene glycol. However, the more

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