【Chemical properties】
Appearance and odor: colorless, irritating liquid with aromatic odor.
Solubility: soluble in ethanol, ether, benzene and petroleum ether, insoluble in water.
Physical properties:
Melting point: -135.076℃
Boiling point: 44.2℃
Relative density: 0.772
Refractive index: 1.4225
Flash point: -50℃
Liquid viscosity: 0.2 mPa·s (50℃)
Surface tension: 16 mN/m
Ignition point: 385℃
Explosion limit: 3.4%～8.5% (volume)
Critical temperature: 233℃
Critical volume: 0.276 mL/g
Critical pressure: 4.64 MPa
Reactivity: Cyclopentene is an unsaturated hydrocarbon with strong reactivity. The molecule is a five-membered ring structure with a bent conformation, which leads to higher stress in cyclopentene.
【Application】
Polymer production: It is widely used in the manufacture of polycyclopentene rubber.
Organic synthesis: As an important raw material for organic synthesis, it is often used to prepare compounds such as cyclopentane, cyclopentanol, and cyclopentanone.
Medicine and fragrance: It is used as a raw material for the production of high value-added pharmaceutical and fragrance intermediates.
Specialty chemicals: It is also a raw material for the production of special electronic chemicals.
Solvents and extractants: Cyclopentene is also used as a component of solvents and extractants.
【Safety Information】
Cyclopentene is a flammable liquid and is prone to explosion when exposed to open flames or high temperatures.
It is irritating to the eyes and skin, so protection is required.
When using cyclopentene, good ventilation should be maintained to avoid inhaling its vapor.
It should be stored in a cool, ventilated place away from fire and oxidants.