2-Ethyl-2-oxazoline
ALDRICH/137456 - ≥99%
Synonym: 2-
CAS Number: 10431-98-8
Empirical Formula (Hill Notation): C5H9NO
Molecular Weight: 99.13
EC Number: 233-912-4
MDL Number: MFCD00005302
Linear Formula: C5H9NO
Product Type: Chemical
| assay | ≥99% |
| bp | 128.4 °C (lit.) |
| density | 0.982 g/mL at 25 °C (lit.) |
| form | liquid |
| InChI | 1S/C5H9NO/c1-2-5-6-3-4-7- |
| InChI key | NYEZZYQZRQDLEH-UHFFFAOYSA |
| mp | −62 °C (lit.) |
| Quality Level | 100 ![]() |
| refractive index | n |
| SMILES string | CCC1=NCCO1 |
| 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. |
| General description: | 2-Ethyl-2-oxazoline undergoes cationic ring opening graft polymerization using tosylated cellulose nanowhisker as macroinitiator. |
| Packaging: | 100, 500 mL in glass bottle |
| Symbol | ![]() GHS02,GHS07 |
| Signal word | Warning |
| Hazard statements | H226 - H302 + H312 + H332 |
| Precautionary statements | P210 - P280 - P301 + P312 + P330 - P302 + P352 + P312 - P304 + P340 + P312 |
| Hazard Codes | Xn |
| Risk Statements | 10-20/21/22 |
| Safety Statements | 16-26-28-36/37/39 |
| RIDADR | UN 1993C 3 / PGIII |
| WGK Germany | WGK 1 |
| Flash Point(F) | 84.2 °F - closed cup |
| Flash Point(C) | 29 °C - closed cup |
| Purity | ≥99% |
| bp | 128.4 °C (lit.) |
| mp | −62 °C (lit.) |
| Density | 0.982 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352100 |



