Ethoxyacetylene solution
ALDRICH/271365 - ~40 wt. % in hexanes
Synonym: 1-Ethoxyethyne; Ethoxyethyne; Ethyl ethynyl ether; Ethynyl ethyl ether
CAS Number: 927-80-0
Empirical Formula (Hill Notation): C4H6O
Molecular Weight: 70.09
MDL Number: MFCD00009247
Linear Formula: C2H5OC≡CH
Product Type: Chemical
| concentration | ~40 wt. % in hexanes |
| density | 0.732 g/mL at 25 °C |
| form | liquid |
| InChI | 1S/C4H6O/c1-3-5-4-2/h1H,4 |
| InChI key | WMYNMYVRWWCRPS-UHFFFAOYSA |
| Quality Level | 100 ![]() |
| refractive index | n |
| SMILES string | CCOC#C |
| storage temp. | 2-8°C |
| Application: | Used with N-vinylamides and triflic anhydride in a direct, three-component synthesis of pyridines. Also used to prepare α,β-unsaturated esters from ketones via a Meyer-Schuster rearrangement. |
| Packaging: | 1, 5 g in glass bottle |
| Symbol | ![]() ![]() GHS07,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H304 - H315 - H336 - H361 - H373 - H411 |
| Precautionary statements | P201 - P273 - P301 + P310 + P331 - P302 + P352 - P308 + P313 |
| Hazard Codes | Xn,N |
| Risk Statements | 38-48/20-51/53-62-65-67 |
| Safety Statements | 36/37-61-62 |
| RIDADR | UN 1993BF 3 / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Density | 0.732 g/mL at 25 °C |
| Refractive Index | n |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352100 |




