» request a quote Vanadium Pentoxide. It is a powerful desiccant. When saturated with water from a continuous flow of air of high humidity, its capacity was found to be 5-15 g of water or 18-3 % of its original … It exists in white crystalline solid form. [6] Improvements in filter technology is leading to the "wet phosphoric acid process" taking over from the thermal process, obviating the need to produce white phosphorus as a starting material. Founded in 1992 which is specialized in producing phosphorus pentoxide and polyphosphoric acid with a complete of equipments and testing instruments covers an area of 10000 m2 and more. P2O5 - Diphosphorous Pentoxide. A desiccant is a substance that absorbs water. In summary, although phosphorus pentoxide gave the best drying, it also induced significant decomposition, and the method of choice for Me2SO would appear to be initial frac- tional distillation followed by sequential drying with molec- ular sieves. Luer, B.; Jansen, M. "Crystal Structure Refinement of Tetraphosphorus Nonaoxide, P, https://en.wikipedia.org/w/index.php?title=Phosphorus_pentoxide&oldid=980805282, Chemical articles with multiple compound IDs, Multiple chemicals in an infobox that need indexing, Chemical articles with multiple CAS registry numbers, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, This page was last edited on 28 September 2020, at 15:29. PRODUCT FEATURES. Its chemical name is tetraphosphorous decaoxide. The latter lacks terminal oxo groups. not very efficient. It reacts with water to form phosphoric acid H3PO4. It is a strong desiccant. Art. This white crystalline solid is the anhydride of phosphoric acid. Usually for 60Kg, 70Kg, 130Kg, 200Kg steel drum. However, a similar problem arises with respect to nucleation as in ordinary mixing: it is not simply a case of a desiccant action such as shown by phosphorus pentoxide. Phosphorus pentoxide is used as a chemical intermediate and condensing agent for organic reactions. No certificate of analysis was found for the selected product. To make a request, please provide your e-mail address and the required language. The second type is an alkaline desiccant, which has a solid caustic soda, a lime desiccant and soda lime (a mixture of sodium hydroxide … The solid reacts with water violently to produce phosphoric acid. 99% Phosphorus Pentoxide for Desiccant picture from Jiangsu Bohan Industry Trade Co., Ltd. view photo of Diphosphorus Pentoxide, P2o5, Phosphorus Pentoxide.Contact China Suppliers for More Products and Price. We use cookies to ensure that we are offering you the best user experience on our website. C989X80. Structure. 1314-56-3 . Between the commercially important P4O6 and P4O10, phosphorus oxides are known with intermediate structures. Phosphorus pentoxide is a powerful desiccant and dehydrating agent, reacting violently with water and releasing heat. The stable form is a higher density phase, also orthorhombic, the so-called O' form. One type is an acidic desiccant, which is rich in H2SO4, phosphorus pentoxide P2O5 (non-dryable NH3), silica gel desiccant, etc. Methods for removing water from solids depend on the thermal stability of the solids or the time available. This is mostly used for polar solvents that are miscible or highly soluble in water, especially when norm… By the way: Through your account you can customize or delete your subscriptions anytime. Just like sulfur trioxide, it reacts vigorously with water and water-containing substances like wood or cotton, liberates much heat and may even cause fire due to the highly exothermic nature of such reactions. Phosphorus pentoxide is a chemical compound with molecular formula P4O10 (with its common name derived from its empirical formula, P2O5). Phosphorus pentoxide is a potent dehydrating agent as indicated by the exothermic nature of its hydrolysis: P 4 O 10 (am) + 6H 2 O (lq) → 4H 3 PO 4 (c) (-177 kJ ) However, its utility for drying is limited somewhat by its tendency to form a protective viscous coating that inhibits further dehydration by unspent material. Phosphorus pentoxide desiccant, with moisture indicator; CAS Number: 1314-56-3; EC Number: 215-236-1; Synonym: Sicapent®, Phosphoric anhydride, Phosphorus(V) oxide; Linear Formula: O5P2; find Sigma-Aldrich-79610 MSDS, related peer-reviewed papers, technical documents, similar products & more at … Phosphorus pentoxide is a chemical compound with molecular formula P4O10 (with its common name derived from its empirical formula, P2O5). Ph Eur”. Phosphorus pentoxide, desiccant, with moisture indicator. This form can be made by condensing the vapor of phosphorus pentoxide rapidly, the result is an extremely hygroscopic solid.[4]. Thanks for asking. It is generally found as a dimer of P 2 O 5 that’s why it is known as phosphorous pentoxide. Technical Information. No. The most familiar one, a metastable form,[1] shown in the figure, comprises molecules of P4O10. Phosphorus pentoxide is normally used as an industrial desiccant and plays a role as an intermediate reactant to turn acid into their anhydride counterparts. Structure. 99% Phosphorus Pentoxide for Desiccant, Find Details about Diphosphorus Pentoxide, P2o5 from 99% Phosphorus Pentoxide for Desiccant - Jiangsu Bohan Industry Trade Co., Ltd. It is a powerful desiccant. *Please select more than one item to compare Phosphorus Pentoxide is a chemical compound with molecular formula P 4 O 10 (with its common name derived from its empirical formula P 2 O 5). Compare Products: Select up to 4 products. This is a white, flammable, dangerous, and extremely deliquescent solid. Phosphorus pentoxide is a chemical compound with molecular formula P4O10 (with its common name derived from its empirical formula, P2O5). *Please select more than one item to compare It participates in Pictet-Gams synthesis. It is a white crystalline solid which is used as a powerful dehydrating agent. wear protective gloves/eye protection, IF SWALLOWED: rinse mouth. Phosphorus pentoxide is a powerful desiccant suitable for drying neutral and acid gases, saturated alipathic and aromatic hydrocarbons, nitriles, alkyl and acryl halogenides, and carbon disulfide. Phosphorus pentoxide ≥99 %, powdered. A similar result for this desiccant was noted earlier with acetonitrile.' The indicated coproduct P4O9(OH)2 is an idealized formula for undefined products resulting from the hydration of P4O10. P280 P301+P330+P331 P303+P361+P353 P305+P351+P338 P310, Phosphoric anhydride, Granulopent, Diphosphorous pentoxide, Phosphor(V) oxid. It can be used in the manufacturer of phosphorus compounds including special phosphoric acid supported catalysts. A wide variety of phosphorus pentoxide desiccant options are available to you, Phosphorus Pentoxide is a powerful desiccant and dehydrating agent and widely used in the pharmaceuticals, textile industries.This offered product is a white, microcrystalline, light weight powder which is produced by the combustion of elemental phosphorus in an excess of oxygen. Examples: HNO3 is converted to N2O5;  H2SO4 is converted to SO3;  HClO4 is converted to Cl2O7;  CF3SO3H is converted to (CF3)2S2O5. This white crystalline solid is the anhydride of phosphoric acid. See a sample below or register for free to see much more. Common chemical desiccants can be divided into three categories: One type is an acidic desiccant, which is rich in H2SO4, phosphorus pentoxide P2O5 (non-dryable NH3), silica gel desiccant, etc. D. E. C. Corbridge "Phosphorus: An Outline of its Chemistry, Biochemistry, and Technology" 5th Edition Elsevier: Amsterdam. Tidwell, ( Two identical molecules linked together) P4O10 -Molecular formula. Mfr. It is a powerful desiccant. Suitable (as desiccant) for: Neutral and acidic gases, saturated aliphatic and aromatic hydrocarbons, acetylene, anhydrides, nitriles, alkyl and aryl halides, hydrogen sulphide : Not suitable (as desiccant) for: Continue rinsing, immediately call a POISON CENTER/doctor/... Occupational Safety and Personal Protection, Microbiology, Cell culture, Sterilization, Neutral and acidic gases, saturated aliphatic and aromatic hydrocarbons, acetylene, anhydrides, nitriles, alkyl and aryl halides, hydrogen sulphide, Alcohols, amines, acids, ketones, ethers, hydrogen chloride, hydrogen fluoride. The desiccating power of P4O10 is strong enough to convert many mineral acids to their anhydrides. It exists as a dimer. Meier, M. S. "Phosphorus(V) Oxide" in Encyclopedia of Reagents for Organic Synthesis (Ed: L. Paquette) 2004, J. Wiley & Sons, New York. SPECIFICATION PROPERTIES In summary, phosphorus pentoxide is an anhydride covalent compound that is formed via the combustion of elemental phosphorus and oxygen. Phosphorus pentoxide crystallizes in at least four forms or polymorphs.The most familiar one, a metastable form, shown in the figure, comprises molecules of P 4 O 10.Weak van der Waals forces hold these molecules together in a hexagonal lattice (However, in spite of the high symmetry of the molecules, the … Get Latest Price. Phosphorus pentoxide is an acid anhydride that is obtained from phosphoric acid. It is highly hygroscopic and is, therefore, used as a dehydrating agent and as a desiccant. Penta means indeed 5, but it says pentoxide, so the penta is for the oxide not for the phosphorus. Phosphorus pentoxide is a chemical compound with molecular formula P4O10 (with its common name derived from its empirical formula, P2O5). spectrum of desiccants.8 Thus, alumina, calcium chloride, phosphorus pentoxide, and 4A molecular sieves,16 as well as calcium and (anhydrous) cupric sulfate, have all been used. Cas No. This white crystalline solid is the anhydride of phosphoric acid. It is a powerful desiccant. In the event of contact with eyes and skin, rinse with water. This is a white, flammable, dangerous, and extremely deliquescent solid. Do NOT induce vomiting, IF ON SKIN (or hair): Take off immediately all contaminated clothing. The other polymorphs are polymeric, but in each case the phosphorus atoms are bound by a tetrahedron of oxygen atoms, one of which forms a terminal P=O bond involving the donation of the terminal oxygen p-orbital electrons to the antibonding phosphorus-oxygen single bonds. Phosphorus pentoxide is normally used an industrial desiccant and plays a role as an intermediate reactant to turn acid into the… Phosphorus Pentoxide is used as a powerful desiccant and dehydrating agent, and is a useful building block and reagent in the chemical industry. Phosphorus oxides: P4O6, P4O7, P4O8, P4O9, and P4O10. Phosphorus pentoxide, P2O5 /CAS:1314-56-3, Desiccant, dehydrating agent---- packing weight (Net weight) can be customized accordingly. Merck offers di-phosphorus pentoxide in the grades “extra pure” and “for analysis ACS, ISO, Reag. You can search for and download your certificate of analysis for the selected product here. It is used extensively in organic synthesis as a dehydrating agent. In Anthony Burgess' The Wanting Seed, phosphorus pentoxide is a highly prized compound. This is an empirical formula. Phosphorus pentoxide crystallizes in at least four forms or polymorphs. Compare Products: Select up to 4 products. phosphorus pentoxide. [3] It is closely related to the corresponding anhydride of phosphorous acid, P4O6. Since acetone has the lowest dielectric constant of the sol- vents investigated here, it might be predicted that its drying should be relatively easy. List of desiccants: [10] This reaction is reminiscent of the Swern oxidation. By continuing, you confirm that you accept our policy statement. It is a powerful desiccant. Phosphorus pentoxide is a powerful desiccant suitable for drying neutral and acid gases, saturated alipathic and aromatic hydrocarbons, nitriles, alkyl and acryl halogenides, and carbon disulfide. /c1-11-5-12(2)8-13(3,6-11)10-14(4,7-11)9-12, molecular form: O=P13OP2(=O)OP(=O)(O1)OP(=O)(O2)O3, crystal o′ form: P12(=O)OP3(=O)OP4(=O)OP5(=O)OP6(=O)OP(=O)(O1)OP7(=O)OP(=O)OP(=O)OP(=O)(O2)OP(=O)OP(=O)OP(=O)(O3)OP(=O)OP(=O)OP(=O)(O4)OP(=O)OP(=O)OP(=O)(O5)OP(=O)OP(=O)OP(=O)(O6)OP(=O)OP(=O)(O7)O, Except where otherwise noted, data are given for materials in their. This white crystalline solid is the anhydride of phosphoric acid. The second type is an alkaline desiccant, which has a solid caustic soda, a lime desiccant and soda lime (a mixture of sodium hydroxide and calcium oxide); It has several other names such as phosphoric anhydride, phosphorous (V) oxide, diphosphorus pentoxide etc. Formula of … Examples of effect: Damage metals and burn body tissues; may cause serious eye damage. This white crystalline solid is the anhydride of phosphoric acid. Property Value; dbo:abstract: Phosphorus pentoxide is a chemical compound with molecular formula P4O10 (with its common name derived from its empirical formula, P2O5). Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. Its molecular formula is P 4 O 10 but it is found as a dimer of P 2 O 5. Phosphorus pentoxide is a white odourless solid produced when phosphorus burns: has a strong affinity for water with which it forms phosphoric acids. Alternatively, when combined with a carboxylic acid, the result is the corresponding anhydride:[9]. T. T. "Dimethyl Sulfoxide–Phosphorus Pentoxide" in Encyclopedia of Reagents for Organic Synthesis (Ed: L. Paquette) 2004, J. Wiley & Sons, New York. Desiccants can absorb water and bind it chemically (reversibly or irreversibly) or physically. MilliporeSigma offers di-phosphorus pentoxide in the grades “extra pure” and “for analysis ACS, ISO, Reag. Purity. Phosphorus pentoxide is a powerful desiccant and dehydrating agent, reacting violently with water and releasing heat. Phosphorus Pentoxide CAS No. Get here database of phosphorus pentoxide (cas no 1314-56-3), phosphorus pentoxide manufacturers, suppliers and exporters. It participates in Pictet-Gams synthesis. 98% 99.6-. Then it appears there are 10 oxygen atoms where is the 5 coming from? Phosphorus pentoxide is used as a chemical intermediate and condensing agent for organic reactions. It is a powerful desiccant and dehydrating agent. Phosphorus pentoxide is a chemical compound with molecular formula P 4 O 10 (with its common name derived from its empirical formula, P 2 O 5). This white crystalline solid is the anhydride of phosphoric acid. This white crystalline solid is the anhydride of phosphoric acid. Phosphorus pentoxide, desiccant, with moisture indicator, 100 g list price/quantity total: $110.16 / EA (1 / EA) $0.00 Thomas No. Phosphorus pentoxide is an anhydride of phosphoric acid, which is produced by combustion of elemental phosphorus in the presence of sufficient air. Phosphorus pentoxide is a chemical compound with molecular formula P 4 O 10 (with its common name derived from its empirical formula, P 2 O 5). phosphorus pentoxide manufacturer/supplier, China phosphorus pentoxide manufacturer & factory list, find qualified Chinese phosphorus pentoxide manufacturers, suppliers, factories, exporters & wholesalers quickly on Made-in-China.com. surface active agent; in refining of drugs and sugar; as dehydrating agent, desiccant, antistatic agent; analytical reagent. The solid reacts with water violently to produce phosphoric acid. [12], InChI=1S/P6o5 Remove contact lenses, if present and easy to do. Phosphorus Pentoxide, Reagent, ACS is the anhydride of phosphoric acid and a powerful dehydrating and desiccant agent. It is an anhydride of phosphoric acid. Appearance. DESICCANT CAPACITY OF CARRIER-BASED PHOSPHORUS PENTOXIDE An absorption tube (25 x 350 mm) charged with 8-12 mesh granules, contained 28-2 g of desic- cant. Please provide your batch number. A granular form of P4O10 is used in desiccators. The structure of the P4O10 cage is reminiscent of adamantane with Td symmetry point group. Phosphorus pentoxide is a powerful desiccant suitable for drying neutral and acid gases, saturated alipathic and aromatic hydrocarbons, nitriles, alkyl and acryl halogenides, and carbon disulfide. The macromolecular form can be made by heating the compound in a sealed tube for several hours, and maintaining the melt at a high temperature before cooling the melt to the solid. White Hygroscopic Powder. Fiction. It is a powerful desiccant. Storage. The values which he found for the residual moisture left by each desiccant are, without ex­ ception, much higher than … General description: Phosphorus pentoxide (P2O5) is a phosphorous oxide. Consistent with its strong desiccating power, P4O10 is used in organic synthesis for dehydration. As with most materials in contact with the atmosphere, even at moderate humidities, hemihydrate a d sorbs something approaching a monolayer of water, but reaction cannot occur because this water cannot hold anything in solution. Phosphorus Pentoxide. It boils at 423 °C under atmospheric pressure; if heated more rapidly it can sublimate. PHOSPHORUS PENTOXIDE CAS No. Phosphorus pentoxide supported on alumina has been used for solvent-free and microwave-assisted synthesis of 1, 5-benzodiazepine derivatives. Contact with eyes will result in severe eye damage, even blindness. Vanadium(v) oxide (vanadia) is the chemical compound with the formula v2o5. Never store it in aluminium, and galvanized or tin-plated containers! It is a powerful desiccant and dehydrating agent. Safety: Avoid contact; wear safety spectacles and gloves. The values which he found for the residual moisture left by each desiccant are, without ex­ ception, much higher than those found in later investigations. Phosphorous pentoxide is an inorganic chemical compound, composed of four phosphorus atoms and ten oxygen atoms. Phosphorus pentoxide is an extremely powerful desiccant, and contact with bare hand must be avoided. Where substances are stable in air and melt above 100°C, drying in an air oven may be adequate. Search results for phosphorous pentoxide at Sigma-Aldrich. [7] The dehydration of phosphoric acid to give phosphorus pentoxide is not possible as on heating metaphosphoric acid will boil without losing all its water. When saturated with water from a continuous flow of air of high humidity, its capacity was found to be 5 … The main desiccants can be subdivided into four categories: • non-renewable chemical desiccants • renewable chemical desiccants • silica gels • molecular sieves. It is a chemical compound with molecular formula. Property Value; dbo:abstract: Specialist Manufacturers of Elemental Analyser Consumables - Over 1000 products for Thermo, Sercon, Costech, Elementar, Eurovector, Perkin Elmer & Leco EA's - Unconditional Satisfaction Guarantee for elemental analysis and stable isotope applications - Competitively priced quality products shipped from stock directly to … No. It is corrosive to metal and is very irritating – it may cause severe burns to the eye, skin, mucous membrane, and respiratory tract even at concentrations as low as 1 mg/m3. It is a powerful desiccant and dehydrating agent. [11], Phosphorus pentoxide itself is not flammable. Sicapent is a granular dessicant comprising ~75% phoshorus pentoxide on an inert inorganic carrier. It is a powerful desiccant and dehydrating agent. Phosphorus pentoxide is a chemical compound with formula P2O5. Phosphorus pentoxide is a chemical compound with molecular formula P4O10. It is prepared by phosphorus As an ACS grade quality reagent, its chemical spec Brief risk assessment guidance and experimental notes for a range of practical activities involving phosphorus(V ... HC075 - Phosphorus (V) oxide HC073A - Phosphorus, P (white, yellow) Related Searches. It is used in the preparation of phosphoric acids, as a drying and dehydrating agent, and in organic synthesis. However, a similar problem arises with respect to nucleation as in ordinary mixing: it is not simply a case of a desiccant action such as shown by phosphorus pentoxide. It consists of a 3-dimensional framework, density 3.5 g/cm3. Weak van der Waals forces hold these molecules together in a hexagonal lattice (However, in spite of the high symmetry of the molecules, the crystal packing is not a close packing[2]). advantage of the high hygroscopic and deliquescent performances of phosphorus pentoxide P20 5• The method includes two techniques; one is of collecting moisture from gas stream using the desiccant, the other is of preparing homogeneous liquid scintillation cocktails containing the phosphide and the collected moisture. Phosphorus pentoxide is a chemical compound with molecular formula P4O10 (with its common name derived from its empirical formula, P2O5). It is most commonly used to remove humidity that would normally degrade or even destroy products sensitive to moisture. It is most commonly used to remove humidity that would normally degrade or even destroy products sensitive to moisture. Rinse skin with water [or shower], IF IN EYES: Rinse cautiously with water for several minutes. Phosphorus pentoxide supported on alumina has been used for solvent-free and microwave-assisted synthesis of 1, 5-benzodiazepine derivatives. MilliporeSigma …description: Phosphorus pentoxide (P2O5) is a phosphorous oxide. Phosphorus pentoxide must be kept in closed and sealed bottles, away from any moisture. [4] The metastable orthorhombic, "O"-form (density 2.72 g/cm3, melting point 562 °C), adopts a layered structure consisting of interconnected P6O6 rings, not unlike the structure adopted by certain polysilicates. A desiccant is a substance that absorbs water. Phosphorus Pentoxide Phosphorus pentoxide is a chemical compound with molecular formula P4O10. 79610-500G Pkg. 1314-56-3. Phosphorus pentoxide is not flammable. Subscribers to our Commodity Price Database have access to Phosphorus Pentoxide and as many as 217 other commodities prices across several countries from main world regions. Phosphorus pentoxide is highly hygroscopic, so it will draw water out of the nearby environment and react to form phosphoric acid. This white crystalline solid is the anhydride of phosphoric acid. With the new Carl Roth Replenishment Service you can let products be ordered automatically which you need regularly in your lab! In the thermal process, the phosphorus pentoxide obtained by burning white phosphorus was dissolved in dilute phosphoric acid to produce concentrated acid. It can be used in the manufacturer of phosphorus compounds including special phosphoric acid … [1][5] The remaining polymorph is a glass or amorphous form; it can be made by fusing any of the others. Merck offers di-phosphorus pentoxide in the grades “extra pure” and “for analysis ACS, ISO, Reag. This white crystalline solid is the anhydride of phosphoric acid. In the shopping cart, select the option "Order shopping cart as subscription" Order as subscription. Ph Eur”. This white crystalline solid is the anhydride of phosphoric acid. Even though a single molecule of the compound has a molecular formula of P 4 O 10 , it is still called phosphorus pentoxide on account of its empirical formula P 2 O 5 . Phosphorus pentoxide is a chemical compound with formula P2O5. Its density is 2.30 g/cm3. Search results for phosphorus pentoxide at Sigma-Aldrich. List of desiccants: You’re mixing things up. Put all products for your subscription in the desired quantity in the basket. In other cases, use of an Abderhalden pistol … 9076.1. DESICCANT CAPACITY OF CARRIER-BASED PHOSPHORUS PENTOXIDE An absorption tube (25 x 350 mm) charged with 8-12 mesh granules, contained 28-2 g of desic- cant. This white crystalline solid is the anhydride of phosphoric acid. Intratec provides Phosphorus Pentoxide pricing data, covering current prices and 13 years of historical data. It acts as powerful dehydrating and desiccant agent because of exothermic nature of its hydrolysis. These manufacturing companies are providing high quality phosphorus pentoxide as per clients requirements. Alibaba.com offers 799 phosphorus pentoxide desiccant products. 99% Phosphorus Pentoxide for Desiccant, Find Details about Diphosphorus Pentoxide, P2o5 from 99% Phosphorus Pentoxide for Desiccant - Jiangsu Bohan Industry Trade Co., Ltd. : 1314-56-3 Purity : 99% Other Name : Phosphoric Anhydride, Disphosporus Pentoxide Molecular Weight : 141.95 Product Description : Free flowing white Hygroscopic Powder … The most important application is for the conversion of primary amides into nitriles:[8]. It is a powerful desiccant and dehydrating agent. phosphorus pentoxide. It is a powerful desiccant and dehydrating agent. hill (3) using phosphorus pentoxide as a desiccant in vacuo, demonstrated a loss of TABLE II Influence of shelf position on moisture content of meat-and-bonemeal determined at 85?C and 25 inches Hg for one hour Moisture content, percent Position Upper Shelf Lower Shelf \Left 5.44 5.40 Front/Right 5.42 5.44 \Left 5.73 … Desiccants must be chemically compatible with the material being dried, and, if in doubt, the … As with most materials in contact with the atmosphere, even at moderate humidities, hemihydrate a d sorbs something approaching a monolayer of water, but reaction … Phosphorus pentoxide crystallizes in at least four forms or polymorphs.The most familiar one, a metastable form, shown in the figure, comprises molecules of P 4 O 10.Weak van der Waals forces hold these molecules together in a hexagonal lattice (However, in spite of the high symmetry of the molecules, the crystal packing is not a close packing). This white crystalline solid is the anhydride of phosphoric acid. Specialist Manufacturers of Elemental Analyser Consumables - Over 1000 products for Thermo, Sercon, Costech, Elementar, Eurovector, Perkin Elmer & Leco EA's - Unconditional Satisfaction Guarantee for elemental analysis and stable isotope applications - Competitively priced quality products shipped from stock directly to you - worldwide P4O10 is prepared by burning tetraphosphorus with sufficient supply of oxygen: For most of the 20th century, phosphorus pentoxide was used to provide a supply of concentrated pure phosphoric acid. The safest method is to dry in a vacuum desiccator over concentrated sulphuric acid, phosphorus pentoxide, silica gel, calcium chloride, or some other desiccant. We specialize in manufacturing the Phosphorus Pentoxide,Polyphosphoric Acid Changzhou Qishuyan Fine Chemical CO., LTD. Phosphorus Pentoxide. The "Onodera reagent", a solution of P4O10 in DMSO, is employed for the oxidation of alcohols. Other solids such as barium oxide, calcium chloride, calcium oxide, calcium sulfate, clays, metal halides, perchlorates, phosphorus pentoxide, sodium and potassium hydroxides, are used mainly in static drying.

phosphorus pentoxide desiccant

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