627-20-3
| Name | CIS-2-PENTENE |
| CAS | 627-20-3 |
| EINECS(EC#) | 210-988-7 |
| Molecular Formula | C5H10 |
| MDL Number | MFCD00063978 |
| Molecular Weight | 70.13 |
| MOL File | 627-20-3.mol |
Chemical Properties
| Appearance | colourless liquid |
| Melting point | -180 °C (lit.) |
| Boiling point | 37-38 °C (lit.) |
| density | 0.657 g/mL at 20 °C |
| vapor pressure | 8.17 psi ( 20 °C) |
| refractive index | n |
| Fp | −1 °F |
| storage temp. | Flammables area |
| solubility | Soluble in alcohol, benzene, and ether (Weast, 1986) |
| form | Liquid |
| pka | >14 (Schwarzenbach et al., 1993) |
| color | Clear colorless |
| Specific Gravity | 0.650 |
| Stability: | Stable. Highly flammable-note low flash point. Incompatible with oxidizing agents. |
| Water Solubility | 203 mg/kg at 25 °C (shake flask-GC, McAuliffe, 1966) |
| Specific Heat Capacity | Cp(liquid):151.7J/(g·K),at 25℃ |
| BRN | 1718794 |
| Henry's Law Constant | 0.225 at 25 °C (approximate - calculated from experimentally determined water solubility and vapor pressure values) |
| InChI | 1S/C5H10/c1-3-5-4-2/h3,5H,4H2,1-2H3/b5-3- |
Safety Data
| Hazard Codes | F,Xn |
| Risk Statements | |
| Safety Statements | |
| RIDADR | UN 3295 3/PG 1 |
| WGK Germany | 3 |
| TSCA | TSCA listed |
| HazardClass | 3.1 |
| PackingGroup | I |
| HS Code | 29012990 |
| Storage Class | 3 - Flammable liquids |
| Hazard Classifications | Asp. Tox. 1 Eye Irrit. 2 Flam. Liq. 2 Skin Irrit. 2 STOT SE 3 |
| Hazardous Substances Data | 627-20-3(Hazardous Substances Data) |