4-Methyl-1-pentene
Pharmaceutical Materials 2025-03-02
CAS Number: 691-37-2
Molecular Formula: C6H12
Molecular Weight: 84.16 g/mol
Appearance: Colorless liquid
Boiling Point: 53-54 °C
Density: 0.66 g/mL
Usage: Used as an organic synthesis intermediate.
| Attribute | Information |
|---|---|
| Chemical Name | 4-Methyl-1-pentene |
| Synonyms | 2-Isobutylene, Isopentene |
| CAS Number | 624-64-6 |
| Molecular Formula | C6H12 |
| Molecular Weight | 84.16 g/mol |
| Physical State | Colorless liquid with a gasoline-like odor |
| Density | 0.69 g/mL at 25°C |
| Boiling Point | 68-69°C |
| Refractive Index | 1.399-1.401 |
| Flash Point | -20°C (closed cup) |
| Solubility | Insoluble in water, miscible with ether, alcohol, and other organic solvents |
| Chemical Properties | Olefin; undergoes typical alkene reactions such as polymerization, addition, and halogenation |
| Applications | Used in the production of polymers, particularly polyisobutylene, as well as in the synthesis of other chemicals and as a fuel additive |
| Hazard Classification | Flammable liquid, harmful if swallowed or inhaled, may cause skin and eye irritation, and is a suspected carcinogen |
| Safety Precautions | Store in a cool, well-ventilated area, keep away from heat, sparks, and open flames, use with adequate ventilation, wear appropriate protective clothing, and avoid contact with skin and eyes |
| Disposal | Dispose of in accordance with local regulations and guidelines for hazardous waste; avoid release to the environment |
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