Chemical Properties
| Melting point | -80 °C (lit.) |
| Boiling point | 127-128 °C (lit.) |
| Density | 0.747 g/mL at 25 °C (lit.) |
| vapor pressure | 37.7 mm Hg ( 37.7 °C) |
| refractive index | n |
| Flash point | 64 °F |
| storage temp. | Flammables area |
| solubility | 0.024g/l |
| form | Liquid |
| Specific Gravity | 0.746 |
| color | Clear colorless to yellow |
| explosive limit | 0.8%(V) |
| Water Solubility | Miscible with alcohol, ether and other organic solvents. Immiscible with water. |
| BRN | 1734494 |
| LogP | 3.717 (est) |
| CAS DataBase Reference | 629-05-0(CAS DataBase Reference) |
| NIST Chemistry Reference | 1-Octyne(629-05-0) |
| EPA Substance Registry System | 1-Octyne (629-05-0) |
Safety Information
| Hazard Codes | F,Xn,Xi |
| Risk Statements | 11-65-36/37/38 |
| Safety Statements | 16-62-33-26 |
| RIDADR | UN 3295 3/PG 2 |
| WGK Germany | 3 |
| RTECS | RI2655000 |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29012980 |
| Toxicity | dns-ham:lvr 100 mmol/L CRNGDP 6,1201,85 |
