A6911112
2-Pentene (<i>cis</i>- and <i>trans</i>- mixture) , >95.0%(GC) , 109-68-2
CAS NO.：109-68-2
Empirical Formula: C5H10
Molecular Weight: 70.13
MDL number: MFCD00009384
EINECS: 203-695-0
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -142.6°C |
| Boiling point: | 37 °C(lit.) |
| Density | 0.651 g/mL at 20 °C(lit.) |
| vapor pressure | 8.06 psi ( 20 °C) |
| refractive index | n |
| Flash point: | −50 °F |
| storage temp. | 2-8°C |
| solubility | Insoluble[in water] |
| form | clear liquid |
| color | Colorless to Almost colorless |
| Water Solubility | Not miscible or difficult to mix in water. |
| Merck | 14,7123 |
| BRN | 969151 |
| Stability: | Stable. Extremely flammable - note low boiling point and low flash point. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 109-68-2(CAS DataBase Reference) |
| EPA Substance Registry System | 2-Pentene (109-68-2) |
Description and Uses
2-Pentene (mixture of cis and trans) is used in the synthesis of polycyclopentene by ring-opening metathesis polymerization.
Safety
| Symbol(GHS) |   GHS02,GHS08 |
| Signal word | Danger |
| Hazard statements | H225-H304 |
| Precautionary statements | P210-P301+P310+P331 |
| Hazard Codes | F,Xn |
| Risk Statements | 11-36/37/38-65 |
| Safety Statements | 9-16-26-29-33-36-62 |
| RIDADR | UN 3295 3/PG 2 |
| WGK Germany | 3 |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 2901290000 |
