2-Ethyl-2-oxazoline - ≥98%(GC) , CAS No.10431-98-8

CAS: 10431-98-8 Cat. No.: E137961 Formula: C5H9NO Molecular Weight: 99.13 EC Number: 233-912-4
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(GC)
Synonyms
2-Ethyloxazoline|starbld0019600|Oxazole, 2-ethyl-4,5-dihydro-|2-Ethyl-4,5-dihydro-1,3-oxazole #|2-Oxazoline, 2-ethyl-|Oxazole,5-dihydro-|ethyl oxazoline|2-Ethyl-2-oxazoline|2-ethyl-4,5-dihydrooxazole|2-Ethyl-4,5-dihydro-oxazole
Storage
Argon charged,Room temperature
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
5g
E137961-5g
6 In stock
4 In stock
$12.90
25g
E137961-25g
3 In stock
—
$41.90
100g
E137961-100g
5 In stock
—
$119.90
Enter a quantity for the sizes you want to add.

Overview

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

Specifications

Synonyms
2-Ethyloxazoline | starbld0019600 | Oxazole, 2-ethyl-4,5-dihydro- | 2-Ethyl-4,5-dihydro-1,3-oxazole # | 2-Oxazoline, 2-ethyl- | Oxazole,5-dihydro- | ethyl oxazoline | 2-Ethyl-2-oxazoline | 2-ethyl-4,5-dihydrooxazole | 2-Ethyl-4,5-dihydro-oxazole
Specifications & Purity
≥98%(GC)
Storage
Argon charged,Room temperature
Shipped In
Normal
Purity
≥98%(GC)
Names and Identifiers
Pubchem Sid
Canonical Smiles
CCC1=NCCO1
IUPAC Name
2-ethyl-4,5-dihydro-1,3-oxazole
InChIKey
NYEZZYQZRQDLEH-UHFFFAOYSA-N
INCHI
1S/C5H9NO/c1-2-5-6-3-4-7-5/h2-4H2,1H3
Isomeric SMILES
CCC1=NCCO1
WGK Germany
1
UN Number
1993
Packing Group
III
Molecular Weight
99.13
Reaxy-Rn
105464
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=105464&ln=

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassAzolines
SubclassOxazolines
Intermediate Tree Nodes Not available
Direct ParentOxazolines
Alternative Parents Imidoesters  Propargyl-type 1,3-dipolar organic compounds  Oxacyclic compounds  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents Oxazoline - Imido ester - Oxacycle - Azacycle - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as oxazolines. These are organic compounds containing 1,3-oxazoline, a five-membered ring with a nitrogen and an oxygen atoms at the 1- and 3-position, respectively. Additionally, it contains two double bonds.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates (CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

21 results found

Lot NumberCertificate TypeDateItem
E2613609E2613609Certificate of AnalysisJan 31, 2026 E137961
B2606108B2606108Certificate of AnalysisJan 24, 2026 E137961
B2606121B2606121Certificate of AnalysisJan 24, 2026 E137961
C2404297C2404297Certificate of AnalysisDec 12, 2025 E137961
F2204721F2204721Certificate of AnalysisDec 12, 2025 E137961
L1910058L1910058Certificate of AnalysisApr 09, 2025 E137961
L2411423L2411423Certificate of AnalysisNov 22, 2024 E137961
K2229614K2229614Certificate of AnalysisSep 12, 2024 E137961
K2229626K2229626Certificate of AnalysisSep 12, 2024 E137961
I2206779I2206779Certificate of AnalysisJun 15, 2024 E137961
A1909035A1909035Certificate of AnalysisJun 13, 2024 E137961
G2225007G2225007Certificate of AnalysisMay 21, 2024 E137961
E2423469E2423469Certificate of AnalysisMar 01, 2024 E137961
E2423468E2423468Certificate of AnalysisMar 01, 2024 E137961
L2125150L2125150Certificate of AnalysisOct 10, 2023 E137961
K2229613K2229613Certificate of AnalysisOct 26, 2022 E137961
I2016422I2016422Certificate of AnalysisJul 20, 2022 E137961
G2225006G2225006Certificate of AnalysisJun 24, 2022 E137961
F2204722F2204722Certificate of AnalysisMay 20, 2022 E137961
E2203246E2203246Certificate of AnalysisMar 08, 2022 E137961
E2203245E2203245Certificate of AnalysisMar 08, 2022 E137961
Chemical and Physical Properties
SolubilityFully miscible in water.
Sensitivityair sensitive
Refractive Indexn20/D 1.437 (lit.)
Flash Point(°F)84.2 °F
Flash Point(°C)29 °C
Boil Point(°C)128.4 °C (lit.)
Melt Point(°C)−62 °C (lit.)
Molecular Weight99.130 g/mol
XLogP30.300
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count1
Exact Mass99.0684 Da
Monoisotopic Mass99.0684 Da
Topological Polar Surface Area21.600 Ų
Heavy Atom Count7
Formal Charge0
Complexity88.100
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
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