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Sigma-Aldrich

2-Ethyl-2-oxazoline

≥99%

Synonym(s):

2-Ethyl-4,5-dihydrooxazole, 2-Ethyloxazoline

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About This Item

Empirical Formula (Hill Notation):
C5H9NO
CAS Number:
Molecular Weight:
99.13
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥99%

form

liquid

refractive index

n20/D 1.437 (lit.)

bp

128.4 °C (lit.)

mp

−62 °C (lit.)

density

0.982 g/mL at 25 °C (lit.)

SMILES string

CCC1=NCCO1

InChI

1S/C5H9NO/c1-2-5-6-3-4-7-5/h2-4H2,1H3

InChI key

NYEZZYQZRQDLEH-UHFFFAOYSA-N

General description

2-Ethyl-2-oxazoline undergoes cationic ring opening graft polymerization using tosylated cellulose nanowhisker as macroinitiator.

Application

2-Ethyl-2-oxazoline (EtOx) was used in synthesis of block copolymers of EtOx and styrene by cationic ring-opening polymerization and atom transfer radical polymerization.

Pictograms

FlameExclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

84.2 °F - closed cup

Flash Point(C)

29 °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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