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Hydrogen peroxide is a chemical compound with the formula H 2 O 2.In its pure form, it is a very pale blue [5] liquid that is slightly more viscous than water.It is used as an oxidizer, bleaching agent, and antiseptic, usually as a dilute solution (3%–6% by weight) in water for consumer use and in higher concentrations for industrial use.
The most common peroxide is hydrogen peroxide (H 2 O 2), colloquially known simply as "peroxide". It is marketed as solutions in water at various concentrations. Many organic peroxides are known as well. In addition to hydrogen peroxide, some other major classes of peroxides are:
Hydrogen peroxide (H 2 O 2) is a common disinfectant and readily decomposes to form water and oxygen. Trioxidane (H 2 O 3 ) is rare and readily decomposes into water and singlet oxygen . Tetraoxidane (H 2 O 4 ) has been synthesized by reaction among peroxy radicals at low temperature.
Solutions made using hydrogen peroxide at concentrations greater than 50 wt % may cause an explosion. [7] The 1:1 acid–peroxide mixtures will also create an explosion risk even when using common 30 wt. % hydrogen peroxide. [8] Once the mixture has stabilized, it can be further heated to sustain its reactivity. [7]
For example, the loss of blue color in leuco-methylene blue is selective for hydrogen peroxide. [21] Quantitative analysis of hydroperoxides can be performed using potentiometric titration with lithium aluminium hydride. [22] Another way to evaluate the content of peracids and peroxides is the volumetric titration with alkoxides such as sodium ...
Hydrogen peroxide is not nearly as reactive as these species, but is readily activated and is thus included. [3] Peroxynitrite and nitric oxide are reactive oxygen-containing species as well. Hydroxyl radical (HO·) is generated by Fenton reaction of hydrogen peroxide with ferrous compounds and related reducing agents:
This is a list of common chemical compounds with chemical formulae and CAS numbers, indexed by formula. This complements alternative listing at list of inorganic compounds . There is no complete list of chemical compounds since by nature the list would be infinite.
This hydrogen peroxide then releases hydrogen peroxide: [(HO) 3 B(OOH)] − + H 2 O ⇌ B(OH) − 4 + H 2 O 2. Several metal hydroperoxide complexes have been characterized by X-ray crystallography. Some form by the reaction of metal hydrides with oxygen gas: [17] L n M−H + O 2 → L n M−O−O−H (L n refers to other ligands bound to the ...