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Benzoyl peroxide, tekhn. grade 2 – Reaktivsnab, TOO | all.biz
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Benzoyl peroxide, tekhn. grade 2

Benzoyl peroxide, tekhn. grade 2

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Kazakhstan, Shymkent
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Description
Benzoilperoksid (dibenzoilperoksid, benzoyl peroxide) — the organic compound of aromatic series containing the peroxide group O-O connected with two benzoilny groups C6H5-C (O)-.
Benzoilperoksid represents colourless crystals with orthorhombic lattice (nanometer a=0,891; b = 1,424 nanometers; c = 0,940 nanometers; z =;; space group P212121).
It is dissolved in simple and esters, it is worse dissolved in kerosene and petroleum ether, not dissolved in diethylene glycol and organosilicon liquids. It is moderately dissolved in acetone (15,7%), methylethylketone (16,0%), benzene (15,8%), styrene (12,5%), methylmethacrylate (12,7%).
The formed radicals are capable to cause the induced disintegration of mother substance. Disintegration accelerates in the presence of ions of transition metals. Pure benzoyl peroxide is capable to ignite and burn quickly with big intensity; burning of its large numbers turns into explosion. He also explodes during the heating, blow and friction. However mix of benzoilperoksid with water with the maintenance of the last higher than 20% is steady. Organic substances are capable to ignite at contact with benzoilperoksidy. Benzoilperoksid ignites at effect of mineral acids.
Synthesis of benzoilperoksid consists in reaction of benzoyl chloride with hydrogen peroxide in caustic solution. Its content is determined by method of iodometric titration in the environment of acetone in the cold. Benzoyl peroxide is used as the initiator of radical polymerization, in organic chemistry — as source of phenylic radicals, as hardener of polyester resinss, and also as curing agent. Also it is used at cinema for the image of explosions of large volumes of fuels and lubricants (barrel, the tank) since is cheaper.
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