
927-80-0
| Name | Ethoxyethyne |
| CAS | 927-80-0 |
| EINECS(EC#) | 213-164-5 |
| Molecular Formula | C4H6O |
| MDL Number | MFCD00009247 |
| Molecular Weight | 70.09 |
| MOL File | 927-80-0.mol |
Chemical Properties
| Appearance | Clear orange to brown solution |
| Boiling point | 53°C |
| density | 0.732 g/mL at 25 °C |
| refractive index | n |
| Fp | −20 °F |
| storage temp. | −20°C |
| solubility | sol alcohol, ether, benzene, hexane |
| form | liquid |
| color | Clear Yellow |
| Water Solubility | Slightly miscible with water. |
| BRN | 741882 |
| Dielectric constant | 8.0500000000000007 |
| Exposure limits | ACGIH: TWA 50 ppm (Skin) OSHA: TWA 500 ppm(1800 mg/m3) NIOSH: IDLH 1100 ppm; TWA 50 ppm(180 mg/m3) |
| InChI | InChI=1S/C4H6O/c1-3-5-4-2/h1H,4H2,2H3 |
| InChIKey | WMYNMYVRWWCRPS-UHFFFAOYSA-N |
| SMILES | C#COCC |
| CAS DataBase Reference | 927-80-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Ethoxyacetylene(927-80-0) |
Safety Data
| Symbol(GHS) | ![]() ![]() ![]() ![]() GHS02,GHS07,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H225-H304-H315-H336-H361-H373-H411 |
| Precautionary statements | P202-P210-P273-P301+P310-P303+P361+P353-P331 |
| Hazard Codes | F,Xn,N |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 1993 3/PG 2 |
| WGK Germany | 3 |
| RTECS | KN9900000 |
| Hazard Note | Highly Flammable/Keep Cold |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29091990 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Aquatic Chronic 2 Asp. Tox. 1 Flam. Liq. 2 Repr. 2 Skin Irrit. 2 STOT RE 2 Inhalation STOT SE 3 |



