2-Ethyl-2-oxazoline
- CAS NO.：10431-98-8
- Empirical Formula: C5H9NO
- Molecular Weight: 99.13
- MDL number: MFCD00005302
- EINECS: 233-912-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:09:54
What is 2-Ethyl-2-oxazoline?
Chemical properties
clear liquid
The Uses of 2-Ethyl-2-oxazoline
2-ethyl-2-oxazoline is an organic intermediate and monomer that is used in water-soluble polymers, pharmaceuticals, cosmetics, specialty coatings and adhesives.
The Uses of 2-Ethyl-2-oxazoline
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.
General Description
2-Ethyl-2-oxazoline undergoes cationic ring opening graft polymerization using tosylated cellulose nanowhisker as macroinitiator.
Flammability and Explosibility
Not classified
Properties of 2-Ethyl-2-oxazoline
| Melting point: | -62 °C (lit.) |
| Boiling point: | 128.4 °C (lit.) |
| Density | 0.982 g/mL at 25 °C (lit.) |
| vapor pressure | 13.1hPa at 37.8℃ |
| refractive index | n |
| Flash point: | 85 °F |
| storage temp. | Flammables area |
| form | Liquid |
| pka | 5.65±0.50(Predicted) |
| color | Clear |
| PH | 10-12 (100g/l, H2O, 20℃) |
| Water Solubility | MISCIBLE |
| Sensitive | Air Sensitive |
| BRN | 105464 |
| CAS DataBase Reference | 10431-98-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Oxazole, 2-ethyl-4,5-dihydro-(10431-98-8) |
| EPA Substance Registry System | Oxazole, 2-ethyl-4,5-dihydro- (10431-98-8) |
Safety information for 2-Ethyl-2-oxazoline
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H226:Flammable liquids |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 2-Ethyl-2-oxazoline
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