PRODUCT Properties
| Melting point: | -137.26°C |
| Boiling point: | 45 °C |
| Density | 0.70 |
| refractive index | 1.4170 to 1.4210 |
| form | clear liquid |
| color | Colorless to Almost colorless |
| NIST Chemistry Reference | 1,2-Pentadiene(591-95-7) |
| EPA Substance Registry System | 1,2-Pentadiene (591-95-7) |
Safety
| Symbol(GHS) |  GHS02 |
| Signal word | Danger |
| Hazard statements | H225 |
| Precautionary statements | P210-P233-P240-P241-P242-P243-P280-P303+P361+P353-P370+P378-P403+P235-P501 |
| RIDADR | UN 3295 3/PG II |
| HS Code | 2901.29.5000 |
| HazardClass | 3 |
| PackingGroup | II |
