Dicyclopentadiene (Dicyclopentadiene)

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Dicyclopentadiene

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4,7-Methano-1H-indene,3a,4,7,7a-tetrahydro-

77-73-6

C10H12

132.202

29021990

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Nature Description

Colorless crystal with camphor-like odor. Freezing point ℃, boiling point 170℃ (decomposition),88℃(4.67kPa), relative density 0.97(20/20 ℃), refractive index 1.5061, flash point ℃, autoignition point 680℃. Soluble in alcohol, ether and carbon tetrachloride, insoluble in water. This product has two isomer α and β, the freezing point of α isomer is 33℃, and the freezing point of β isomer is ℃. Dicyclopentadiene mainly contains α isomer with boiling point of 170℃. Because this product contains double bonds, it is easy to carry out addition reaction and self-polymerization reaction.

0.982

170oC

-1oC

26oC

1.51-1.512

Product Applications

It is used to make Ethylene Propylene Rubber, the third monomer ethylene fork norbornene, polycyclopentadiene pesticide, polyester, resin, plastic flame retardant, medicine, perfume, etc.

Production method

The light benzene fraction of coal tar is distilled, and the benzene head fraction <70℃ is cut, which contains about 30 cyclopentadienes. After heating and polymerization, the finished dicyclopentadiene is distilled. C5 fraction in hydrocarbon cracking industry is used as raw material, and is obtained by heating dimerization and then performing vacuum distillation separation. Secondly, cyclopentadiene can also be prepared by dimerization.

Security

Dangerous Goods Marking： F

Safety instructions： S61: avoid discharging to the environment. Refer to the specific instructions/safety data sheet. S36/37: Wear suitable protective clothing and gloves.

Hazardous material category code： R11: very flammable. R20/22: Harmful by inhalation and accidental swallowing. R36/37/38: it can irritate eyes, respiratory tract and skin. R51/53: toxic to aquatic organisms, which may lead to long-term adverse effects on aquatic environment.

Dangerous goods transportation number： UN2048

Symbols： GHS02,GHS06,GHS09

Storage conditions： Sealed and stored in a cool and ventilated warehouse at normal temperature. Keep away from fire and heat source. This product is packaged in small-mouth iron drums and stored in a cool and ventilated place. Storage and Transportation according to the provisions of toxic and flammable dangerous goods.

Cautionary Statement： P260;P273;P284;P305+P351+P338;P310

Packaging grade： III

Signal word： Danger

Hazard Statement： H226;H302;H315;H319;H330;H335;H411