Chemical Properties
| Melting point | −103 °C (−153 °F; 170 K) |
| Boiling point | 131–132 °C (268–270 °F; 404–405 K) |
| Density | 0.751 g/mL |
| vapor pressure | 35 mm Hg ( 37.7 °C) |
| refractive index | 1.42 |
| Flash point | 29 °C |
| storage temp. | 0-6°C |
| form | liquid |
| color | colorless |
| Water Solubility | Sparingly soluble in water( 29.1 mg/L). |
| BRN | 1732138 |
| InChI | 1S/C8H14/c1-3-5-7-8-6-4-2/h3-6H2,1-2H3 |
| InChIKey | GZTNBKQTTZSQNS-UHFFFAOYSA-N |
| SMILES | CCCC#CCCC |
| CAS DataBase Reference | 1942-45-6(CAS DataBase Reference) |
| EPA Substance Registry System | 4-Octyne (1942-45-6) |
Safety Information
| Hazard Codes | Xn |
| Risk Statements | 10-36/37/38-65 |
| Safety Statements | 26-62 |
| RIDADR | UN 3295 3/PG 3 |
| WGK Germany | 3 |
| F | 10-23 |
| TSCA | TSCA listed |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29012990 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Asp. Tox. 1 Eye Irrit. 2 Flam. Liq. 3 STOT SE 3 |
