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The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet for this chemical from a reliable source such as eChemPortal search query 94-36-0, and follow its directions.
Benzoyl peroxide is usually prepared by treating hydrogen peroxide with benzoyl chloride under alkaline conditions. 2 C 6 H 5 COCl + H 2 O 2 + 2 NaOH → (C 6 H 5 CO) 2 O 2 + 2 NaCl + 2 H 2 O. The oxygen–oxygen bond in peroxides is weak. Thus, benzoyl peroxide readily undergoes homolysis (symmetrical fission), forming free radicals: (C 6 H 5 ...
Benzoyl peroxide and hydrogen peroxide are used as bleaching and "maturing" agents for treating flour to make its grain release gluten more easily; the alternative is letting the flour slowly oxidize by air, which is too slow for the industrialized era. Benzoyl peroxide is an effective topical medication for treating most forms of acne.
It contains clindamycin, as the phosphate, a lincosamide antibacterial; adapalene, a synthetic retinoid; and benzoyl peroxide, an oxidizing agent. [2] It is applied to the skin . [ 2 ]
Concentration: The strength of your over-the-counter benzoyl peroxide will range from 2.5% to 10%. The strength you use will depend on your skin type and its tolerance. For example, if you have ...
Luckily, not all acne treatment products contain the harmful compound, so it’s a matter of finding benzoyl peroxide-free creams, gels and cleansers that work for you — that’s why we’re here!
Benzoyl peroxide ((PhC)OO) 2) generates benzoyloxyl radicals (PhCOO•), each of which loses carbon dioxide to be converted into a phenyl radical (Ph•). Methyl ethyl ketone peroxide is also common, and acetone peroxide is on rare occasions used as a radical initiator, too. Inorganic peroxides function analogously to organic peroxides.
The following chart shows the solubility of various ionic compounds in water at 1 atm pressure and room temperature (approx. 25 °C, 298.15 K). "Soluble" means the ionic compound doesn't precipitate, while "slightly soluble" and "insoluble" mean that a solid will precipitate; "slightly soluble" compounds like calcium sulfate may require heat to precipitate.