phenylethylene (phenylethylene)

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phenylethylene

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Vinylbenzene
Ethenylbenzene
Styreen
Styron
Sryrene
Styrole
STYROL
Stirolo
Benzene, ethenyl-
Styren
SYRENE

+Expand -Stow

100-42-5

C8H8

104.149

2902500000

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Nature Description

Colorless oily liquid with aromatic smell. Freezing point-30.6 ℃, boiling point 145.2 ℃, relative density 0.9051(20/4 ℃), refractive index (nD20)1.5467, Flash Point (Open Cup) 31.11 ℃, autoignition point 490 ℃, viscosity (20℃)0.763mPa · s. Slightly soluble in water, soluble in ethanol, ether, methanol, acetone and carbon disulfide. It is easy to polymerize when heated or exposed to light or air, and can cause explosion due to temperature rise during polymerization. Explosion limit 1.1-6.1 (volume). Hydroquinone or tert-butyl catechol (2-20ppm) is often added as stabilizer to delay its polymerization.

0.906

145-146oC

-31oC

-30.6℃

31oC

0.3G/L(20oC)

1.546-1.548

0.3G/L(20oC)

Product Applications

It is used for organic synthesis and resin synthesis; It is mainly used as raw materials of polystyrene, synthetic rubber, engineering plastics, ion exchange resin, etc.; It is used for preparing copper brightener, and plays a leveling and brightening role; the most important use is as monomer of synthetic rubber and plastic, used to produce styrene butadiene rubber,..

Production method

Ethylbenzene is used as raw material, in the presence of ferric chloride platinum catalyst mainly T-315 (or aluminum), at the temperature of 550-560 ℃, it is hydrogenated to generate styrene and then rectified to purify more than 99.5 refined styrene.

Security

Dangerous Goods Marking： Xn

Safety instructions： S23: do not breathe in steam.

Hazardous material category code： R10: flammable. R20: Harmful inhalation. R36/38: it can irritate eyes and skin.

Dangerous goods transportation number： UN20553/PG3

Storage conditions： Store in a cool and ventilated warehouse. Keep away from fire and heat source. The temperature should not exceed 30℃. The package must be sealed and not in contact with air. It should be stored separately with oxidant and acid, and should not be mixed. It is not suitable for large storage or long storage. Explosion-proof lighting and ventilation facilities are adopted. It is forbidden to use mechanical equipment and tools that are easy to generate sparks. The storage area shall be equipped with leakage emergency treatment equipment and appropriate containment materials.

Packaging grade： III