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Dicyclopentadiene (DCPD) is an organic compound with chemical formula C10H12. It is a dimer generated by the Diels-Alder reaction of cyclopentadiene. It has two isomers, inner type and outer type, and is colorless crystal, insoluble in water, soluble in alcohol, ether and carbon tetrachloride.

Dicyclopentadiene physical and chemical properties

Density: 0.982g/cm3

Melting point: 33.6℃

Boiling point: 170℃

Flash point: 26℃

Refractive index: 1.512

Appearance: Colorless crystal

Solubility: soluble in alcohol, ether and carbon tetrachloride, insoluble in water

Dicyclopentadiene molecular structure data

Molar refractive index: 41.42

Molar volume (cm3/mol) : 126.0

Isotonic specific volume (90.2K) : 320.6

Surface tension (dyne/cm) : 41.8

Dielectric constant (F/m) : 2.29

Polarization (10-24cm3) : 16.42

Dicyclopentadiene use

1,used as the third component of ethylene propylene copolymer (EPDM);

2,Used as raw material for synthesis of ethylennorbornene (ENB);

3,reaction with maleic anhydride to obtain norbornyl anhydride, used as epoxy resin curing agent, polyester resin, alkyd resin, pesticide raw materials;

4,Hexachlorocyclopentadiene, the hydrogenated phthalic anhydride of methylene hexachloride obtained by reaction with maleic anhydride, is used as a flame retardant of synthetic resin;

5,used for tung oil, linseed oil, soybean oil, fish oil, such as modification, can accelerate drying, improve water resistance, alkali resistance;

6,dipolymer cyclopentadiene resin can be used as rubber adhesive, pressure sensitive adhesive, hot soluble adhesive, ink, paint, etc.

7,dipoly cyclopentadiene oxide can be used as injection molding and laminating resin;

8,Cyclopentene obtained by partial hydrogenation of cyclopentadiene was repolymerized to obtain 1, 5-trans polycyclopentene;

9,Cyclopentadiene is the raw material for the production of Aldrin and Didrin insecticides;

10,Cyclopentadiene is also used in the synthesis of drugs, such as alpha-cyclopentadienylmandelate, an intermediate in gastrochangle.

Dicyclopentadiene emergency treatment

Leakage emergency treatment

Cut off the fire. Emergency personnel should wear gas masks and general fire protective clothing. Sweep carefully, place in a bag and transfer to a safe place. Such as a large amount of leakage, collection and recycling or harmless disposal after waste.

Protective measures

Respiratory protection: Wear a mask when possible contact with toxins.

Eye protection: Generally no special protection is required.

Body protection: Wear antistatic work clothes.

Hand protection: Wear protective gloves if necessary.

Others: Smoking is strictly prohibited on site. Shower and change after work. Maintain good hygiene.

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