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Buy Wholesale and maintain an Active status for 2 months and we will refund your $39 Distributor Fee
14-September-2008 18:38:40 - Benzenediol Benzenediols or dihydroxybenzenes are aromatic chemical compounds and polyphenols in which two hydroxyl groups are substituted onto a benzene ring. Because they have at least one hydroxyl group covalently bonded directly to a carbon atom in a benzene ring, they are in a class of organic compounds called phenols. There are three isomers of benzenediol, each of which has its particular name as shown in the mini-table below. Various other ways of naming these three chemical compounds are also shown: ortho isomer meta isomer para isomer Pyrocatechol 1,2-benzenediol o-benzenediol 1,2-dihydroxybenzene o-dihydroxybenzene catechol Resorcinol 1,3-benzenediol m-benzenediol 1,3-dihydroxybenzene m-dihydroxybenzene resorcin Hydroquinone 1,4-benzenediol p-benzenediol 1,4-dihydroxybenzene p-dihydroxybenzene All three of these compounds are colorless to white granular solids at room temperature and pressure, but upon exposure to oxygen they may darken. All three isomers have the chemical formula C6H6O2. The chemical structures are shown here: Image:Catechol, Resorcinol, and Hydroquinone.PNG Similar to other phenols, the hydroxyl groups on the aromatic ring of a benzenediol are weakly acidic. Each benzenediol can lose an H+ from one of the hydroxyls to form a type of phenolate ion. Hydroquinone can lose an H+ from both to form a diphenolate ion. The disodium diphenolate salt of hydroquinone is used as an alternating comonomer unit in the production of the polymer PEEK. Occurrence and uses Urushiols are naturally existing organic compounds which have the catechol skeleton structure and diphenol functionality but with alkyl groups substituted onto the aromatic ring. Urushiols are the skin-irritating poisons found in plants like poison ivy, etc. Catecholamines are biochemically significant hormones/neurotransmitters which are phenethylamines where the phenyl group has a catechol skeleton structure. Part of a molecule of catechin, another natural compound which is present in tea, has the catechol skeleton structure in it. Both hydroquinone and catechol have been used as film developing chemicals. The use of hydroquinone for film developing is common. Hydroquinone can undergo mild oxidation to convert to the compound parabenzoquinone, C6H4O2, often called p-quinone or simply quinone. Reduction of quinone reverses this reaction back to hydroquinone. Some biochemical compounds in nature have this sort of hydroquinone or quinone section in their structures, such as Coenzyme Q, and can undergo similar redox interconversions. Hydroquinone has a variety of uses principally associated with its action as a reducing agent which is soluble in water. It is a major component in most photographic developers where, with the compound Metol, it reduces silver halides to elemental silver. In human medicine, hydroquinone also used as a topical application to reduce the color of skin. It does not have the same predisposition to cause dermatitis as Metol does. See also Pyrogallol Urushiol Retrieved from http://en..org/wiki/Benzenediol Categories: Benzenediols Views Article Discussion this page History Personal tools Log in / create account Navigation Main page Contents Featured content Current events Random article Search Go Search Interaction Community portal Recent changes Contact Donate to Help Toolbox What links here Related changes Upload file Special pages Printable version Permanent link Cite this page Languages Français 日本語 Piemontèis This page was last modified on 29 August 2008, at 22:40
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So many of us do not eat a balanced diet, get enough sleep, have too much stress, or are impacted with toxins and pollutants. Drinking 2 ounces of MonaVie twice a day will help your body detoxify as well as build your immune system. Its the smartest thing you can do for yourself, so start today. Buying MonaVie through our company guarantees you support 7 days a week and, if you would like to share MonaVie with your family and friends we will guide you from start to finish.
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