Phosphorus pentoxide definition, a white, deliquescent, crystalline powder, P2O5, that, depending upon the amount of water it absorbs, forms orthophosphoric acid, metaphosphoric acid, or pyrophosphoric acid, produced by the burning of phosphorus in dry air: used in the preparation of phosphoric acids, as a drying and dehydrating agent, and in organic synthesis. This website uses cookies to improve your experience while you navigate through the website. Necessary cookies are absolutely essential for the website to function properly. Product Number: All applicable American Elements product codes, e.g. Application Phosphorus pentoxide may be used in the synthesis of dichlorine heptoxide (Cl 2 O 7). It is primarily used … In these polymorphs, the terminal oxygen atom shown to have a double bond with the phosphorus atom actually forms a single bond, and links with another oxygen atom associated with a different tetrahedron. Phosphorus pentoxide is used as a strong drying and dehydrating agent. This makes it risky to store and transport. Search results for phosphorus pentoxide at Sigma-Aldrich. New York, NY 10018 USA 2nd Floor Diphosphorus pentoxide Phosphoric anhydride Phosphorus pentaoxide: September 1997: CAS #: 1314-56-3: UN #: 1807 EC Number: 215-236-1 ACUTE HAZARDS PREVENTION FIRE FIGHTING; FIRE & EXPLOSION: Not combustible but enhances combustion of other substances. Structure Chemical Formula and Uses of Phosphorus Pentoxide. Compare Products: Select up to 4 products. Unsuitable Extinguishing MediaWater Flash Point No information available Method - No information available Autoignition Temperature No information available Relevant identified uses of the substance: Scientific research and development. We also use third-party cookies that help us analyze and understand how you use this website. It is an excellent absorber of moisture. It participates in Pictet-Gams synthesis. Many reactions that require the removal of a water molecule can utilize P2O5 such as the dehydration of amides to nitriles. Copyright © Science Struck & Buzzle.com, Inc. But opting out of some of these cookies may have an effect on your browsing experience. By definition, it doesn’t react with non-oxygen-containing acids, such as HCl, since there is no H2O molecule to extract. This information is general in nature and is not intended as a replacement for the material Product Name: Phosphorus Pentoxide. Our site includes quite a bit of content, so if you're having an issue finding what you're looking for, go on ahead and use that search feature there! Thus, the molecular formula of the compound is actually P4O10. This compound can also be used to convert certain mineral acids into their anhydrides. Fax: + (646) 366-0595, 44 North Main Street Many reactions that require the removal of a water molecule can utilize P2O5 such as the dehydration of amides to nitriles. When producers pay special attention to managing phosphorus (P), it can lead to profitable crop production. Chemical Name: Phosphorus PentoxideSynonyms: Diphosphorus Pentoxide, Phosphoric Anhydride, Phosphorus(V) OxideChemical Formula: P2O5Molecular Formula: P4O10CAS Number: 1314-56-3CAS Number (P4O10): 16752-60-6EC Number: 215-236-1. The reaction with water is very vigorous and proceeds with the evolution of … The best way to use fertilizers to meet P requirements changes with crop, soil properties and environmental conditions. Phosphorus pentoxide This document provides a brief description of phosphorus pentoxide, its uses, and the potential hazards associated with short and long term exposure. It can convert even the strongest acids to anhydrates, such as nitric acid (HNO3) to nitrogen pentoxide (N2O5) and sulfuric acid (H2SO4) to sulfur trioxide (SO3). (50% Silica) 304C: Notes-Phosphorus along with calcium is an essential element in plant and animal growth, thus its principal source is organic ash (i.e. 6789 Quail Hill Pkwy, Suite 211 Irvine CA 92603. 4 H N O 3 + P 4 O 1 0 2 N 2 O 5 Most practical applications and uses of phosphorus pentoxide are centered around its extreme affinity to water, which makes it an excellent dehydrating agent. : A registration number is not available for this substance as the substance or its uses are exempted from registration, the annual tonnage does not require a registration or the registration is envisaged for a later ► It is extremely hygroscopic, and its reaction with water is violently exothermic. Phosphorus pentoxide supported on alumina has been used for solvent-free and microwave-assisted synthesis of 1, 5-benzodiazepine derivatives. However, it doesn’t catch fire like most other compounds, i.e., it doesn’t react with atmospheric oxygen even if heated. As a new method of forming phosphoric acid was discovered, this method fell out of fashion. It is a white crystalline solid, and is extremely hygroscopic, i.e., it has a very strong attraction to water. The principle of operation applies Faraday’s Law … OSHA Vacated PELs: Phosphorus pentoxide: No OSHA Vacated PELs are listed for this chemical. P 4 + 5 O 2 → P 4 O 10. ► It is also used to form anhydrides of oxygen-containing acids. If you continue to use this site we will assume that you are happy with it. Phosphorus pentoxide is a phosphorous oxide. Phosphorus pentoxide is used with 85 % phosphoric acid to make >100% phosphoric acid for carbonate digestion and subsequent isotope analysis. It is mandatory to procure user consent prior to running these cookies on your website. Find out its various uses through this ScienceStruck article. Niobium pentoxide, is the chemical compound with the formula Nb2O5. Bitumens are colloidal systems with highly aromatic material, asphaltenes, dispersed in a lower molecular weight medium, maltenes. We use cookies to ensure that we give you the best experience on our website. Phosphorus pentoxide is used as a strong drying and dehydrating agent. Fire-fighting measures Suitable Extinguishing MediaSubstance is nonflammable; use agent most appropriate to extinguish surrounding fire. This is most important for converting amides into nitriles: R-C(O)NH2 ➙ RCN, by taking away the two H atoms and one O atom in amides. White phosphorus munitions are weapons which use one of the common allotropes of the chemical element phosphorus.White phosphorus is used in smoke, illumination and incendiary munitions, and is commonly the burning element of tracer ammunition. 1920 Martigny / Switzerland It is a vital component of the Onodera reagent, which is widely used in the oxidation of alcohols. Phosphorus pentoxide has a very interesting molecular structure, and it is also used for various purposes. Get in touch with us and we'll talk... Phosphorus pentoxide, which is the anhydride form of phosphoric acid (H3PO4), has the empirical chemical formula P2O5. Phosphorus pentoxide is also used in some organic synthesis reactions. We'll assume you're ok with this, but you can opt-out if you wish. These cookies do not store any personal information. Phosphorus pentoxide (P 2 O 5) is a phosphorous oxide. Tel: + (646) 366-0400 Hazards: Phosphorus pentoxide (P 2 O 5) reacts violently with water, causes severe skin burns and eye damage, and may cause respiratory irritation. Starting Material – Phosphorus Pentoxide is the starting material for phosphate esters used as surfactants and extraction agents. The majority of phosphorus pentoxide that is not used as a desiccant is used as an intermediary reactant to create other compounds. Other common names include WP and the slang term "Willie Pete" or "Willie Peter" derived from William Peter, the World War II phonetic alphabet for … For those of you who may have difficulty grasping the 3D form, here’s a simpler 2D form. Many reactions may cause fire or explosion. *Please select more than one item to compare It is very hygroscopic and is converted by water to H3PO4 via intermediates. Product name : Phosphorus pentoxide Product Number : 79610 Brand : Sigma-Aldrich Index-No. Red Phosphorus, Potassium Pyrophosphate, Phosphorus Pentoxide manufacturer / supplier in China, offering Food Grade SHMP Used as Food Additive, Food Grade 99% DAP Diammonium Phosphate, Industry Grade STPP Without H2O Sodium Tripoly Phosphate 96% and so on. Tel: +41 27 722 57 11 Applications of Phosphorous Pentoxide Due to its unique properties, it is used in many fields. It is widely used in chemical analysis as a dehydrating agent and in organic synthesis as a condensing… Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Phosphorus pentoxide was used in the early and mid-20th century to procure phosphoric acid, by dissolving the former in water. By using the website you agree to our cookie policy. Provided in this article is some information about various aspects of baking soda, which is a popular household ingredient used for various purposes. Phosphorus pentoxide is a chemical compound with molecular formula P4O10. It produces various forms of phosphoric acid depending upon the amount of water available. Acids into their anhydrides predictable product require the removal phosphorus pentoxide uses a water can. 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