A4223914
1-Pentene , 98% , 109-67-1
CAS NO.：109-67-1
Empirical Formula: C5H10
Molecular Weight: 70.13
MDL number: MFCD00003567
EINECS: 203-694-5
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -165 °C |
| Boiling point: | 29.9-30.1 °C (lit.) |
| Density | 0.641 g/mL at 25 °C (lit.) |
| vapor density | 2.4 (vs air) |
| vapor pressure | 10.27 psi ( 20 °C) |
| refractive index | n |
| Flash point: | −20 °F |
| storage temp. | 2-8°C |
| solubility | alcohol: miscible(lit.) |
| form | Liquid |
| pka | >14 (Schwarzenbach et al., 1993) |
| color | Clear colorless |
| Specific Gravity | 0.64 |
| Odor | Like gasoline. |
| Odor Threshold | 0.1ppm |
| explosive limit | 8.7% |
| Water Solubility | 0.15 g/L (20 ºC) |
| Merck | 14,7122 |
| BRN | 1731629 |
| Henry's Law Constant | 0.406 at 25 °C (Hine and Mookerjee, 1975) |
| Dielectric constant | 2.1（20℃） |
| Stability: | Stable. Incompatible with strong oxidizing agents. Highly flammable - readily forms explosive mixtures with air. |
| LogP | 2.4-2.66 at 25℃ |
| CAS DataBase Reference | 109-67-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 1-Pentene(109-67-1) |
| EPA Substance Registry System | 1-Pentene (109-67-1) |
Description and Uses
Blending agent for high octane motor fuel; organic synthesis.
Safety
| Symbol(GHS) |    GHS02,GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H224-H304-H315-H319 |
| Precautionary statements | P210-P301+P310+P331-P302+P352-P305+P351+P338-P403+P233 |
| Hazard Codes | F+,Xn,F,Xi |
| Risk Statements | 12-52/53-65 |
| Safety Statements | 61-62-16 |
| RIDADR | UN 1108 3/PG 1 |
| WGK Germany | 3 |
| RTECS | SB2179000 |
| Autoignition Temperature | 522 °F |
| Hazard Note | Irritant/Extremely Flammable/Keep Cold |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | I |
| HS Code | 29321900 |
| Hazardous Substances Data | 109-67-1(Hazardous Substances Data) |
