cyclopentadiene(CAS#542-92-7)
| UN IDs | 1993 |
| Hazard Class | 3.2 |
| Packing Group | III |
| Toxicity | LD50 of dimer orally in rats: 0.82 g/kg (Smyth) |
Introduction
Cyclopentadiene (C5H8) is a colorless, pungent odor liquid. It is a highly unstable olefin that is highly polymerized and relatively flammable.
Cyclopentadiene has a wide range of applications in chemical research. It can also be used as a raw material for polymers and rubbers to improve their physical and chemical properties.
There are two main methods for the preparation of cyclopentadiene: one is produced from the cracking of paraffin oil, and the other is prepared by the isomerization reaction or hydrogenation reaction of olefins.
Cyclopentadiene is highly volatile and flammable, and is a flammable liquid. In the process of storage and transportation, fire and explosion prevention measures need to be taken to avoid contact with open flames and high temperatures. Wear appropriate protective equipment such as gloves, goggles, and blast clothing when using and handling cyclopentadiene. At the same time, care should be taken to avoid contact with the skin and inhalation of its vapors, so as not to cause irritation and poisoning. In the event of an accidental leak, cut off the source of the leak quickly and clean it up with appropriate absorbent materials. In industrial production, relevant safety operating procedures and measures need to be adhered to to ensure operational safety.
