Chemical Properties
| Melting point | −132 °C (−206 °F; 141 K) |
| Boiling point | 71 to 72 °C (160 to 162 °F; 344 to 345 K) |
| Density | 0.72 g/cm3 |
| vapor pressure | 253 mm Hg ( 37.7 °C) |
| refractive index | 1.40 |
| Flash point | −20 °C (−4 °F; 253 K) |
| storage temp. | Store at +2°C to +8°C. |
| solubility | 0.36g/l (experimental) |
| form | liquid |
| Specific Gravity | 0.715 |
| color | colorless; yellowish |
| Water Solubility | Miscible with organic solvents. Immiscible with water. |
| BRN | 635687 |
| Henry's Law Constant | 2.6×10-4 mol/(m3Pa) at 25℃, Brockbank (2013) |
| Stability | Stable. Incompatible with strong oxidizing agents. Highly flammable - readily forms explosive mixtures with air. |
| InChI | 1S/C6H10/c1-3-5-6-4-2/h1H,4-6H2,2H3 |
| InChIKey | CGHIBGNXEGJPQZ-UHFFFAOYSA-N |
| SMILES | CCCCC#C |
Safety Information
| Hazard Codes | F,Xn,Xi |
| Risk Statements | 11-36/37/38-65 |
| Safety Statements | 16-26-36-62-9-33-7/9 |
| RIDADR | UN 3295 3/PG 2 |
| WGK Germany | 3 |
| RTECS | MQ9691000 |
| F | 10-23 |
| Autoignition Temperature | 263 °C |
| Hazard Note | Irritant |
| TSCA | TSCA listed |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29012980 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Asp. Tox. 1 Eye Irrit. 2 Flam. Liq. 2 Skin Irrit. 2 STOT SE 3 |
