This information has not been reviewed or verified by the Agency or any other authority. 25g; Plastic bottle. 1. Determine the formula for potassium superoxide. MDL number MFCD00082411. Home » Science » Chemistry » Inorganic Chemistry » Difference Between Peroxide and Superoxide. CAS Number 12030-88-5. It is a rare example of a stable salt of the superoxide ion. “H2O2 gas structure” By SVG: Sassospicco; Raster: Walkerma – File:H2O2 structure.png (GFDL) via Commons Wikimedia 2. ChemIDplus - 12030-88-5 - CLSKHAYBTFRDOV-UHFFFAOYSA-N - Potassium superoxide - Similar structures search, synonyms, formulas, resource links, and other chemical information. ... potassium superoxide . Molecular weight calculation: 39.0983 + 15.9994*2 ›› Percent composition by element Potassium superoxide is the inorganic compound with the formula KO 2. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner. The superoxide anion is highly reactive because the -1/2 oxidation state is not stable. Some plant species use peroxide compounds as signaling chemicals. Potassium superoxide (K(O2)) Molecular Weight: 71.1 Molecular Formula: KO2 Additional Metadata. It is a yellow paramagnetic solid that decomposes in moist air. Superoxide: The chemical formula of superoxide anion is O2–. Peroxides can be found in biological systems and in nature. chemical properties. Please upgrade your Internet Explorer to a newer version. Superoxide: Only alkali metals can form superoxide compounds. Structure, properties, spectra, suppliers and links for: Potassium superoxide. (The superoxide of potassium is a yellow solid consisting of K + and O 2− ions. Superoxide: Examples for superoxide compounds include NaO2, KO2, RbO2 and CsO2. Peroxides are used in laboratory scale applications as well. Potassium peroxide is an inorganic compound with the molecular formula K 2 O 2.It is formed as potassium reacts with oxygen in the air, along with potassium oxide (K 2 O) and potassium superoxide … COVID-19 is an emerging, rapidly evolving situation. Then it is given in symbols as O2-2. Potassium superoxide is a yellow paramagnetic solid that is air and moisture sensitive. It is a rare example of a stable salt of the superoxide anion. Peroxide: Metals (such as alkali metals) and nonmetals (such as hydrogen) can form peroxide compounds. ›› Potassium Superoxide molecular weight. • KMnO4 + H2O2 = KO2 + H2MnO4 :: Chemistry Applications:: potassium; molecular oxygen . SDS. The SI base unit for amount of substance is the mole. CCRIS 3424. The reaction of 1.250 g K with O 2 forms 2.273 g of potassium superoxide, a substance used in self-contained breathing devices. “Superoxide” (Public Domain) via Commons Wikimedia. Information on Registered Substances comes from registration dossiers which have been assigned a registration number. Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice. Potassium superoxide. Its formula is KO 2 and because potassium is +1, the superoxide has a charge of -1. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Some examples are sodium peroxide (Na2O2), potassium peroxide (K2O2), Magnesium peroxide (MgO), etc. Molar mass of KO2 = 71.0971 g/mol. Potassium superoxide is used as a CO2 scrubber, H2O dehumidifier and O2 generator in rebreathers, spacecraft, submarines and spacesuit life support systems. Disproportionation is a redox reaction in which a compound of intermediate oxidation state converts to two different compounds. Potassium peroxide. Potassium superoxide is used as a CO 2 scrubber, H 2O dehumidifier and O 2 generator in rebreathers, spacecraft, submarines and spacesuit life support systems. Reacts readily with reducing agents, including most organic compounds, to generate heat and products that may be gaseous (causing pressurization of closed containers). Potassium superoxide is a deep blue-purple solid that forms on the surface of freshly cut potassium metal. The formation of potassium superoxide requires the burning of molten potassium at a temperature below ~500C. KO2 or KO2+. Only alkali metals tend to form superoxide compounds. Normally oxygen prefers to show the oxidation state 0 or -2. Potassium dioxide. Superoxide anion is considered as a free radical that exhibit paramagnetism. The molecular formula for Potassium Superoxide is KO2. Normally oxygen prefers to show the oxidation state 0 or -2. Either Toi made a mistake or assumed that potassium would form the "superoxide", KO2. C&L Inventory . An oxide is any chemical compound that contains one or more oxygen atoms. The main difference between peroxide and superoxide is that the oxidation state of oxygen in peroxide is -1 whereas the oxidation state of oxygen in superoxide is -1/2. The coefficients are simply numbers of each substance. Potassium Superoxide KO2 Molar Mass, Molecular Weight. POTASSIUM SUPEROXIDE. It is a rare example of a stable salt of the superoxide anion. Molecular formula. What is the Difference Between Peroxide and Superoxide      – Comparison of Key Differences, Key Terms: Alkali Metal, Alkaline Earth Metals, Anion, Bond Length, Metals, Nonmetals, Oxide, Peroxide, Peroxide Anion, Peroxo, Superoxide. Therefore, the main feature to identify a peroxide compound is the presence of this O-O covalent bond. Peroxide: A peroxide is any compound composed of an oxygen-oxygen single bond. A peroxide is any compound composed of an oxygen-oxygen single bond. Potassium superoxide EC Number: 234-746-5 EC Name: Potassium superoxide CAS Number: 12030-88-5 Molecular formula: KO2 IUPAC Name: potassium oxidanone It is a yellow paramagnetic solid that decomposes in moist air. Peroxide: The electrical charge of peroxide ion is -2. Peroxide and superoxide are oxides containing oxygen atoms. Her interest areas for writing and research include Biochemistry and Environmental Chemistry. Oxides can be oxides containing oxide anions (O 2-), peroxides containing peroxide anions (O –) or superoxides containing superoxide anion (O 2 –).A peroxide is any compound that is composed of an oxygen-oxygen single bond.This can be either in the form of an … Difference Between Peroxide and Superoxide, What is the Difference Between Peroxide and Superoxide, Difference Between Protonation and Deprotonation, Distinguish Between Binary Acids and Oxyacids, What is the Difference Between Assumption and Inference, What is the Difference Between Angles and Saxons, What is the Difference Between Cornflour and Cornstarch, What is the Difference Between Cheese and Paneer. Note that rounding errors may occur, so always check the results. In the superoxide group, the oxidation state of one oxygen atom is -1/2. 251. Empirical Formula (Hill Notation) KO2. Oxides can be oxides containing oxide anions (O2-), peroxides containing peroxide anions (O–) or superoxides containing superoxide anion (O2–). In the superoxide anion, one oxygen atom has -1/2 electrical charge since the overall charge of the anion is -1. …combustion in dry air to potassium superoxide, KO 2, which is used in respiratory equipment because it liberates oxygen and removes carbon dioxide and water vapour. Potassium peroxide is an inorganic compound with the molecular formula K2O2. EC number: 234-746-5 | CAS number: 12030-88-5. For example, some enzymes in our cells use peroxides to catalyze certain reactions. This website uses cookies to ensure you get the best experience on our websites. Molecular Formula. This anion is also composed of O-O single bond. Peroxide: Examples for peroxide compounds include Na2O2, K2O2, Rb2O2 and Cs2O2. When these superoxide compounds are dissolved in water, the system undergoes disproportionation rapidly. 1967]. This is called the peroxide anion. In the peroxide anion, one oxygen atom has -1 electrical charge since the overall charge of the anion is -2. What is Superoxide      – Definition, Structure, Examples 3. 2, 493]. 17014-71-0. Peroxide: The chemical formula of peroxide anion is O2-2. This reaction is why potassium superoxide is used as an oxygen source in chemical oxygen generators in space shuttles and submarines. Molecular Weight 71.10. The bond distance for O-O bond in superoxide anion is about 1.33oA. “Superoxide.” Wikipedia, Wikimedia Foundation, 15 Dec. 2017, Avialable here. Madhusha is a BSc (Hons) graduate in the field of Biological Sciences and is currently pursuing for her Masters in Industrial and Environmental Chemistry. Potassium superoxide has a number of remarkable physical and chemical properties that we present at this web page. 1. Superoxide: Superoxides are compounds containing the anion O2–. Potassium superoxide was considered the cause of the reaction [Health and Safety Inf. Superoxide: The O-O bond length in superoxide ion is 1.33°A. 2. Peroxide: The O-O bond length in peroxide ion is 1.49°A. They form the superoxide compound via direct reaction with O2. Superoxide is composed of highly reactive oxygen atoms. One way is as follows: 4 formula units of KO 2 reacts with 2 molecules of carbon dioxide to produce 2 formula units of potassium carbonate and 3 molecules of oxygen. “12.4: Peroxides and Superoxides.” Chemistry LibreTexts, Libretexts, 21 July 2016, Available here. Potassium superoxide is the inorganic compound with the formula KO 2. Potassium superoxide . Particle size distribution (Granulometry), Solubility in organic solvents / fat solubility, Stability in organic solvents and identity of relevant degradation products, Storage stability and reactivity towards container material, Biodegradation in water and sediment: simulation tests, Additional information on environmental fate and behaviour, Short-term toxicity to aquatic invertebrates, Long-term toxicity to aquatic invertebrates, Toxicity to aquatic algae and cyanobacteria, Toxicity to aquatic plants other than algae, Endocrine disrupter testing in aquatic vertebrates – in vivo, Toxicity to soil macroorganisms except arthropods, Endocrine disrupter mammalian screening – in vivo (level 3), Direct observations: clinical cases, poisoning incidents and other, Exposure related observations in humans: other data, Potassium superoxide (boundary composition), Additional physico-chemical properties of nanomaterials, Toxicokinetics, metabolism and distribution, DGSA info, Leszczyńskiej 10/12 lok. Potassium superoxide is an inorganic compound with the formula KO2. The main difference between peroxide and superoxide is that the oxidation state of oxygen in peroxide is -1 whereas the oxidation state of oxygen in superoxide is -1/2. This can be either in the form of an anion or in between other atoms of the molecule. Shop a large selection of products and learn more about Potassium superoxide, ACROS Organics. POTASSIUM PEROXIDE. What is Peroxide      – Definition, Structure, Examples 2. Synonyms. Dipotassium peroxide. Correspondingly, the anion should have -1 electrical charge in order to neutralize the compound. Formula: KO 2 Hill system formula: K 1 O 2 CAS registry number: [12030-88-5] Formula weight: 71.097 Class: oxide Colour: yellow to yellow-orange Appearance: crystalline solid Melting point: 380°C Boiling point: decomposes Density: 2160 kg m-3 Potassium superoxide should not be added to pure organic materials (hydrocarbons), as ignition and violent explosion may occur. Hydrogen peroxide is the simplest peroxide that can be found. An antioxidant flavonoid that scavenges superoxide (1.5 x 10⁵ M⁻¹ s⁻¹) and suppresses the cytotoxicity of superoxide and hydrogen peroxide in Chinese hamster V79 cells. 6. It is a yellow paramagnetic solid that decomposes in moist air. Sometimes, this bond can be observed as an anion in an ionic compound. The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. Figure 2: Chemical Structure of Superoxide Anion. It is a rare example of a stable salt of the superoxide anion. The superoxides of alkali metals include NaO2, KO2, RbO2 and CsO2. Oxidation of arsenic, antimony, copper, potassium, tin, or zinc proceeds with incandescence, [Mellor, 1941, Vol. The superoxide ion has a formula of O{eq}_2^- {/eq}. But since there are two oxygen atoms are bonded to each other, one oxygen atom gets a -1/2 oxidation state. EC Number 234-746-5. Covalent peroxide compounds are composed of O-O single bond directly bonded to other atoms in the molecule; for example, hydrogen peroxide (H2O2) and peroxymonosulfuric acid (H2SO5). 1 mole is equal to 1 moles Potassium Superoxide, or 71.0971 grams. 49, 93-347 , Lodz, Poland, FASER SA, Nakielska 42/44, 42-600 , Tarnowskie Góty, Poland. Sigma-Aldrich pricing It is very useful in organic chemistry in order to obtain the anti-Markovnikov product from an organic reaction. This site is not fully supported in Internet Explorer 7 (and earlier versions). It's a good idea to get the *correct* equation. 4KO 2 (s) + 2CO 2 (g) ---> 2K 2 CO 3 (s) + 3O 2 (g) To begin with we must be able to 'read' this chemical equation. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). Registration dossier . Ionic peroxides are composed of a peroxide anion bonded to alkali metal ions or alkaline earth metal ions as the cation. Here, superoxide anion and water react to form O2 and OH– ion. A peroxide is any compound that is composed of an oxygen-oxygen single bond. Superoxides are formed only by alkali metals (group 1 elements). It is a rare example of a stable salt of the superoxide anion. Welcome to the ECHA website. When the O-O bond is found in a covalent compound, it is called a peroxo group or peroxide group. a) … Potassium Superoxide (KO2) 5. Potassium superoxide is an inorganic compound with the formula KO2. The products may themselves be capable of further reactions (such as combustion in … Superoxide: The electrical charge of superoxide ion is -1. Close Find out more on how we use cookies. EINECS 234-746-5. In the peroxide group, the oxidation state of one oxygen atom is -1. Convert grams Potassium Superoxide to moles or moles Potassium Superoxide to grams. Main Difference – Peroxide vs Superoxide. Laboratory Chemical Safety Summary (LCSS) Datasheet. An oxide is any chemical compound that contains one or more oxygen atoms. Superoxides are compounds containing the anion O2–. It is a yellow paramagnetic solid that decomposes in moist air. That is due to the presence of an unpaired electron on one oxygen atom (as shown in the above image). It is formed as potassium reacts with oxygen in the air, along with potassium oxide (K2O) and potassium superoxide (KO2). Actually, what will form when solid potassium metal is exposed to oxygen is potassium peroxide, K2O2. 1. It is a yellow paramagnetic solid that decomposes in moist air. REACTIVITY Potassium superoxide is a strong oxidizing agent and reacts explosively with organic materials. CAS: 12030-88-5 EINECS: 234-746-5 Synonyms: Potassium dioxide Here, the metal has +1 electrical charge. POTASSIUM PEROXIDE is a strong oxidizing agent. 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