Propylene , ≥99% , 115-07-1
Synonym(s):
Propene
CAS NO.：115-07-1
Empirical Formula: C3H6
Molecular Weight: 42.08
MDL number: MFCD00009279
EINECS: 204-062-1
PRODUCT Properties
| Melting point: | −185 °C(lit.) |
| Boiling point: | −47.7 °C(lit.) |
| Density | 1.49 |
| vapor density | 1.48 (vs air) |
| vapor pressure | 15.4 atm ( 37.7 °C) |
| refractive index | 1.3567 |
| Flash point: | -108 °C |
| pka | 43(at 25℃) |
| form | Colorless gas |
| explosive limit | 11.1% |
| Odor Threshold | 13ppm |
| Water Solubility | 0.33g/L(25 ºC) |
| FreezingPoint | -185.25℃ |
| Merck | 13,7941 |
| BRN | 1696878 |
| Dielectric constant | 1.9（20℃） |
| Stability: | Stable. Highly flammable. Readily forms explosive mixtures with air. Incompatible with strong oxidizing agents, strong acids, halogens. |
| LogP | 1.77 at 20℃ |
Description and Uses
Propylene is a colorless, fl ammable gas that follows ethylene as the second simplest alkene hydrocarbon. It has an odor similar to garlic and has wide use in the chemical industry as an intermediate in the synthesis of other derivatives such as polypropylene, propylene oxide, isopropyl alcohol, acetone, and acrylonitrile. The production of propylene is similar to ethylene and is obtained through steam cracking of hydrocarbon feedstocks. Steam cracking is a process used to break molecules into smaller molecules by injecting the catalysts with steam.
Propylene is obtained from refining of gasolineand thermal or catalytic cracking ofhydrocarbons. It is used to produce polypropylene(plastic) and in the manufacture ofacetone, isopropanol, cumene, and propyleneoxide.
Safety
| Symbol(GHS) |   GHS02,GHS04 |
| Signal word | Danger |
| Hazard statements | H220-H280 |
| Precautionary statements | P210-P377-P381-P410+P403 |
| Hazard Codes | F+ |
| Risk Statements | 12 |
| Safety Statements | 9-16-33 |
| RIDADR | UN 1077 2.1 |
| WGK Germany | - |
| RTECS | UC6740000 |
| Autoignition Temperature | 860 °F |
| DOT Classification | 2.1 (Flammable gas) |
| HazardClass | 2.1 |
| HS Code | 29012200 |
