Inhalation of dust will produce irritation of the gastrointestinal or respiratory tract, characterized by burning, sneezing and coughing. deposition of metal films from solution. Hypophosphorous acid (5.0N) was used to initially inventory the cell. The regulated person responsible for reporting a loss in-transit is the supplier. Hypophosphorous acid is commonly used by large industry as a bleaching, color stabilization or decoloring agent for plastics, synthetic fibers (primarily polyester) and chemicals. This corresponds to the number of hydrogen atoms replaced. Hypophosphorous acid is used in the formulation of pharmaceuticals, discoloration of polymers, water treatment, retrieval of precious or non-ferrous metals. We use cookies to ensure that we give you the best experience on our website. It is also used as a polymerization catalyst and polycondensation. Its main use is for electroless plating; i.e. Hypophosphorous Acid. Hypophosphorous acid is a low-melting point compound soluble in water. Royal Society of Chemistry. | Powered by Communication Strategy Group. Hypophosphorous acid is used in the formulation of pharmaceuticals, discoloration of polymers, water treatment, retrieval of precious or non-ferrous metals. Phosphinic acid, for synthesis, 49.5-50.5%. Other articles where Hypophosphorous acid is discussed: oxyacid: Hypophosphorous acid and hypophosphite salts: Free hypophosphorous acid, H3PO2, is prepared by acidifying aqueous solutions of hypophosphite ions, H2PO2−. It has a melting point that varies between 17.4 and 26.5 degrees Celsius. Retrieved from sciencelab.com. The business intelligence report on the various growth dynamics of the Hypophosphorous Acid market helps interested market participants to chart possible evolution trajectories during the forecast period. It is an oxo acid of phosphorus or hydroxyphosphine oxide, with a monobasic character (PH oxide 3 Which contains an OH-). It also has applications as a reducing agent and as an antioxidant. It is a solid at room temperature, appearing as odorless white crystals. 4, 778]. HPA can be used as a stimulant in pharmaceuticals and as an antioxidant. It is present in teeth and bone and helps in metabolic processes. Identification— It responds to the tests for Hypophosphite 191. Tel: + (646) 366-0400 It is soluble in water, and easily absorbs moisture from the air. Hypophosphorous synonyms, Hypophosphorous pronunciation, Hypophosphorous translation, English dictionary definition of Hypophosphorous. A recent study on the Hypophosphorous Acid market presents data-driven expert insights and various opportunity assessment frameworks for stakeholders. (2017). Repeated exposure of the eyes to small amounts of dust may cause eye irritation and lead to local skin destruction or dermatitis. If breathing is irregular or stopped, give artificial respiration. Sodium dihydrogen phosphate (NaH 2 PO 4). 2005-06-24. Reacts explosively with mercury(II) oxide [Mellor, 1940, Vol. » Hypophosphorous Acid contains not less than 30.0 percent and not more than 32.0 percent of H 3 PO 2. Hypophosphorous Acid Our Company are offering a comprehensive range of Hypophosphorous Acid These Hypophosphorous Acid are excessively used as powerful reducing amens with molecular formula H3PO2 HOP O H2 for variegated applications Our range of Hypophosphorous Acid are available at most reasonable prices Hypophosphorous acid definition: a colourless or yellowish oily liquid or white deliquescent solid : a monobasic acid and... | Meaning, pronunciation, translations and examples Hypophosphorous acid, 50 wt.% solution in water. The minimum order value of hypophosphorous acid buyers on ExportHub is 6 USD while the maximum Order Value is 182 USD. Bleaching Agent: Hypophosphorous Acid is used as a bleaching or decolorizing agent for plastics, synthetic fibers, and chemicals. Hypophosphorous acid is used in medicine in the determination of arsenic, tellurium and separation of tantalum, niobium and oth… FT-0626449. Medical Definition of hypophosphorous acid : a low-melting deliquescent crystalline strong monobasic acid H3PO2 usually obtained by acidifying one of its salts and used as a reducing agent Learn More about hypophos phorous acid Share hypophospho rous acid This website uses cookies in order to offer you the most relevant information. It is also used as a catalyst during esterification and in medicines, it is used to detect tellurium and arsenic, etc. This product is widely used as reducing agent, Ag, Cu, Ni, Hg and other metals are reduced to the corresponding metal for verification of As, Nb, Ta and other reagents (ChemicalBook, 2016). Create . 1920 Martigny / Switzerland HYPOPHOSPHOROUS ACID decomposes when heated into phosphoric acid and spontaneously flammable phosphine. Color Stabilizer – HPA is used as a decolorizing agent and for color stabilization during the manufacture of chemicals and several plastics including: nylon fibers, polyamides, polyester fiber, polyacrilonitrile, alkyd rsins, epoxies, fatty acid … Chemical Datasheet HYPOPHOSPHOROUS ACID. Hypophosphorous Acid Uses. Pure hypophosphorous acid forms white crystals that melt at 26.5° C. The electronic structure of hypophosphorous acid is such that it has only one hydrogen atom bound to oxygen, and thus it is a monoprotic oxyacid. Please accept cookies for optimal performance! It is also used as a catalyst during esterification reactions in medicines. It is a strong reducing agent, it can be used for the preparation of sodium hypophosphite, calcium phosphate And other hypophosphites which in turn are used in synthetic fibers as dispersing, emulsifying and antistatic wetting agents. NOTICE - Red Phosphorus, White Phosphorus (also known as Yellow Phosphorus), and Hypophosphorous Acid are used to Manufacture Methamphetamine. These can be removed by addition of alcohol and much ether to the evaporated solution, when the salts are precipitated. It is used as a reducing agent to reduce copper, mercury, and silver, and to verify impurities such as niobium, arsenic, and tantalum. The use of hypophosphorous acid in the pharmaceuticals sector is expected to lead to a strong growth in the global market due to the recent surge in this industry as a result of the COVID-19 pandemic. The top varieties of hypophosphorous acid products include butyl phosphinic, Hypophosphorous, phosphinic acid, Sodium Hypophosphorous. Login Register. It is … It is complex in the abridgement of arenediazonium salts. This compound is formed, together with phosphoric acid and hydrogen phosphide, when phosphorus is boiled in an alkaline or alkaline caustic caustic solution. The two most common salts of hypophosphorous acid are sodium hypophosphite and manganese hypophosphite. PubChem Compound Database; CID = 3085127. Phosphoric Acid is an acid-containing four atoms of oxygen, one atom of phosphorus, and three atoms of hydrogen. Define hypophosphorous acid. Pyroxylin / Hypophosphorous Acid is used for manufacture of photographic film, manufacture of fibers, manufacture of lacquers and other conditions. It reacts with bases to make hypophosphite salts such as sodium hypophosphite. Hypophosphorous acid is the phosphorus oxo acid or hydroxy phosphine oxide, with monobasic character. Hypophosphorous acid is majorly manufactured from Sodium Hypophosphite. Pertaining to, or containing, phosphorus in a lower state of oxidation than in phosphoric compounds; as, hypophosphorous acid. Company, 2017). It is a colorless solid. Tel: +41 27 722 57 11 a. Hypophosphorous Acid is used for Oxidizing/reducing agents, Organic synthesis production, Neutralizing agent, Catalyst, Wetting, Dispersing, Or emulsifying agent in electroplating, Reducing agent, Antioxidant, Stimulant in pharmaceuticals and other conditions. Dates: Modify . H 2 O, is used as an industrial reducing agent, particularly for the electroless plating of nickel onto metals and nonmetals. In case of contact with eyes, rinse thoroughly with water for several minutes. Chemical Name: Hypophosphorous AcidSynonyms: Hypophosphorous Acid, Phosphine oxide, Phosphinic acidChemical Formula: H3PO2CAS Number: 6303-21-5EC Number: 228-601-5, Bleaching Agent – Hypophosphorous Acid is used as a bleaching or decolorizing agent for plastics, synthetic fibers, and chemicals. Retrieved from hypophosphorousacid.net. (Hypophosphorous acid has an advantage of easy implementation in solution.) Commercial acid usually contains calcium salts. Figure 1: Structure of hypophosphorous acid. Material Safety Data Sheet Phosphorous acid. Alcohol and ether are removed by distillation (atomistry.com, 2008-2012). 2020-11-21. Hypophosphorous acid is majorly manufactured from sodium hypophosphite. to verify impurities, such as Nb, As and Ta, etc. It can also be used as a sti… Bleaching Agent: Hypophosphorous Acid is used as a bleaching or decolorizing agent for plastics, synthetic fibers, and chemicals. 4, 993]. What does HYPOPHOSPHOROUS ACID mean? Define hypophosphorous acid. Severe overexposure may result in lung damage, asphyxia, loss of consciousness or death. By type, the market is bifurcated into: • Hypophosphorous Acid 50% • Hypophosphorous Acid 80% Phosphoric acid forms three classes of salts. A recent study on the Hypophosphorous Acid market presents data-driven expert insights and various opportunity assessment frameworks for stakeholders. The total business generated in hypophosphorous acid category is 256734 USD last month. The parent of the class of phosphinic acids. The recent investments by key players, especially in … This product is widely used as reducing agent, Ag, Cu, Ni, Hg and other metals are reduced to the corresponding metal for verification of As, Nb, Ta and other reagents (ChemicalBook, 2016). HPA is used as a bleaching agent and for color stabilization during the manufacture of chemicals and various plastics, including: nylon fibers, polyamides, polyester fiber, polyacrylonitrile, alkyd resins, epoxies, fatty acid esters and glycerols. The minimum order value of hypophosphorous acid buyers on ExportHub is 6 USD while the maximum Order Value is 182 USD. Hypophosphorous acid is a phosphorus oxoacid and a powerful reducing agent with molecular formula H 3 PO 2. See more. Retrieved from ChemSpider. Hypophosphorous acid is a phosphorus oxoacid and a powerful reducing agent with molecular formula H 3 PO 2. Hypophosphorous acid is used as a reducing agent in electroless nickel plating. Color Stabilizer – HPA is used as a decolorizing agent and for color stabilization during the manufacture of chemicals and several plastics including: nylon fibers, polyamides, polyester fiber, polyacrilonitrile, alkyd rsins, epoxies, fatty acid esters, and glycerols. (2016). Packaging and storage — Preserve in tight containers. Properties. Is oxidized by sulfuric acid with release of sulfur dioxide and sulfur. (2013, May 21). The compound decomposes in phosphoric acid and hydrogen phosphide (phosphine) by heating to temperatures between 130 and 140 degrees Centigrade depending on the reaction: Hypophosphorous acid is a strong reducing agent even stronger than phosphorous acid. Hypophosphorous acid is a strong reducing agent and further has applications as a neutralising agent, discolouring agent, and as a catalyst. Hypophosphorous acid is primarily acclimated for electroless nickel plating. Bleaching Agent – Hypophosphorous Acid is used as a bleaching or decolorizing agent for plastics, synthetic fibers, and chemicals. National Center for Biotechnology Information. DICTIONARY.COM It acts as an accretion in Fischer esterification reactions. Hypophosphorous acid [NF] Phosphinic Acids. 2H 2 O. Hypophosphorous acid definition, a colorless or yellowish, water-soluble, liquid, monobasic acid, H3PO2, having a sour odor, and used as a reducing agent. Hypophosphorous acid definition: a colourless or yellowish oily liquid or white deliquescent solid : a monobasic acid and... | Meaning, pronunciation, translations and examples Red phosphorus and hypophosphorous acid have been on the Special Surveillance List since its initial publication on May 13, 1999. An aqueous solution containing 31% HPH 2 O 2; used as a stabilizing reducing agent in pharmaceutical preparations. The total business generated in hypophosphorous acid category is 256734 USD last month. Hypophosphorous acid Hypophosphorous acid (HPA), or phosphinic acid, is a phosphorus oxyacid and a powerful reducing agent with molecular formula H 3 PO 2.It is a colorless low-melting compound, which is soluble in water, dioxane, and alcohols. He Hypophosphorous acid , Also known as phosphinic acid, hypophosphite or HPA, is an inorganic compound of formula H 3 PO 2 . Retrieved from PubChem. deposition of metal films from solution. Reacts violently with mercury(II) nitrate [Mellor, 1940, Vol. Hypophosphorous acid is isolated by decomposing its barium salt with sulfuric acid (Wills, 1858). to verify impurities, such as Nb, As and Ta, etc. If contact lenses are worn, they should be removed immediately (Special material company, 2015). H3PO2 is named by IUPAC: Phosphinic acid. It contains hydrogen and hypophosphite ions. It is widely used as a reducing agent, Ag, Cu, Ni, Hg, and other metals are reduced to the corresponding metal for the verification of As, Nb, Ta, and other reagents (ChemicalBook, 2016). In hypophosphoric acid the phosphorus atoms are identical and joined directly with a P−P bond. Hypophosphorous acid. Hypophosphorous acid is widely used as a reducing agent to reduce Cu, Hg and Ag etc. 2nd Floor It is important not to wear the garments until they are decontaminated. This depends on the amount of water in the acid crystals (National Center for Biotechnology Information, S.F.). May react explosively with mercury (II) oxide and violently with mercury (II) nitrate (Chemical Datasheet HYPOPHOSPHOROUS ACID, 2016). Salts of hypophosphorous acid are known as hypophosphite salts. Fax: + (646) 366-0595, 44 North Main Street It is used as an esterification catalyst. The concentration of sodium in the product acid was measured to be 5370 ppm. Call a physician or Poison Control Center immediately. Hypophosphorous acid is also used as a chemical intermediate in organic syntheses and as a polymerization and polycondensation catalyst. The structure of hypophosphorous acid, H 3 PO 2. London: spottiswoode and co. If you continue to use this site we will assume that you are happy with it. Retrieved from cameo chemicals. It is also used as a catalyst in esterification, and as a polymerization and polycondensation catalyst. (S.F.). It is a weak acid. The term hypophosphite is also used for any salt, ester or anion derived from the name hypophosphorous acid (HYPOPHOSPHOROUS ACID, S.F.). A process for producing hypophosphorous acid (H 3 PO 2) by reacting, in the absence of a catalyst and under an acidic condition, phosphine with an aqueous solution of hydrogen peroxide to produce an acid solution.The acid solution is then contacted with an non-transition metal hydroxide, oxide or carbonate, e.g. Pertaining to, or containing, phosphorus in a lower state of oxidation than in phosphoric compounds; as, hypophosphorous acid. Hypophosphite Salts – Hypophosphorous Acid is used in the production of Hypophosphite Salts (i.e., Calcium, Magnesium, Manganese, Potassium, Iron, and Ammonium) which are in turn used in synthetic fibers as wetting dispersing, emulsifying, and anti-static agents, Chemical Intermediate – Used in organic synthesis and organo phosphinic acid production, Neturalizing Agent – Used as a moderately strong monobasic acid, Catalyst – Used as a polymerization and polycondensation catalyst, Wetting Agent – Used as a wetting, dispersing, or emulsifying agent in electroplating, Reducing Agent – May be used for its strong but slow reducing action, Antioxidant – Hypophosphorous Acid may be used as an antioxidant, Pharmaceutical – HPA may be used as a stimulant in pharmaceuticals, Please Contact SMC Global for Additional Information, 70 West 40th Street, Hypophosphorous acid is used as bleaching or bleaching agent for plastics, synthetic fibers and chemicals. It is oxidized with sulfuric acid, releasing sulfur dioxide and sulfur. Hypophosphorous acid, also known as phosphinic acid, is a chemical compound. Reacts explosively with mercury(II) oxide [Mellor, 1940, Vol. 1. Immediately remove victim to fresh air. Contact with skin may cause swelling and blisters. Please accept cookies for optimal performance! hypophosphorous acid under the control of the regulated person. n. A clear, colorless or slightly yellow oily liquid or deliquescent crystalline solid, H3PO2, used as a reducing agent. It is also known as phosphoric(V) acid or orthophosphoric acid. Meaning of HYPOPHOSPHOROUS ACID. The Drug Enforcement Administration (DEA) is issuing this notice to inform individuals and businesses handling red phosphorus, white phosphorus, and hypophosphorous acid that these chemicals are used in the illicit manufacture of methamphetamine. Encyclopædia Britannica, Inc. Repeated inhalation of dust may produce a varying degree of respiratory irritation or pulmonary damage (Material Safety Data Sheet Phosphorous acid, 2013). Hypophosphorous acid is widely used as a reducing agent to reduce Cu, Hg and Ag etc. In organic chemistry, H The concentration of hypophosphorous acid approached 5.8N on a steady state basis. SAFETY DATA SHEET Hypophosphorous Acid. In case of contact with clothing, it should be removed immediately and washed with water. Verified suppliers Individual deals Start placing orders now! In its liquid form, it appears as a clear, colorless solution and in its solid form, it appears as transparent, crystalline solid. It is used as an esterification catalyst. Hypophosphorous acid is a corrosive compound for the eyes and skin. Hypophosphorous Acid, H3PO2. Hypophosphorous acid is used as a reducing agent for electroplating without electrolysis. (2015, February 25). The crystallization can be induced if necessary, by sowing with a crystal of the acid. (S.F.). 4, 993]. The amount of tissue damage will depend on the length of the contact, which may attack the cornea or cause blindness. The term phosphinic acid is for the descriptive presentation of derivatives or salts which hydrogen atoms bound to phosphorus are replaced by organic groups, called phosphinates. (2015). Hypophosphorous Acid, Phosphinic Acid [PH2O2](-) SC-26114. It is used for the descriptive presentation of derivatives or salts, whose hydrogen atoms linked to phosphorus are replaced by organic groups, called phosphinates. Hypophosphorous acid (HPA) or phosphinic acid, is a phosphorus oxyacid and a powerful reducing agent with molecular formula H 3 PO 2.The formula for this acid is generally written H 3 PO 2, but a more descriptive presentation is HOP(O)H 2, which highlights its monoprotic character.HPA sometimes exists in equilibrium with the minor tautomer HP(OH) 2. As a sequestering agent, it helps in the binding of divalent cations. Its main use is for electroless plating; i.e. These include phosphorous acid (H 3 PO 3) and hypophosphorous acid (H 3 PO 2). This salt may also be used for purposes not listed in this medication guide. The term hypophosphite is also used for This website uses cookies in order to offer you the most relevant information. Phosphoric acid uses. Phosphinic acid is a phosphorus oxoacid that consists of a single pentavalent phosphorus covalently bound via single bonds to two hydrogens and a hydroxy group and via a double bond to an oxygen. hypophosphorous acid synonyms, hypophosphorous acid pronunciation, hypophosphorous acid translation, English dictionary definition of hypophosphorous acid. Inorganic chemists refer to the free acid by this name (also as "HPA"), or the acceptable name of phosphinic acid. Its main use is for electroless plating, i.e. Some phosphate salts are listed below. A Handbook of Chemical Analysis:. en Polyglycol finishing processes utilizing hypophosphorous acid can be used to prepare polyols with low alkali metal concentrations while producing substantially less solid and liquid waste than conventional finishing processes. : 6303-21-5 1.2 Relevant identified uses of the substance or mixture and uses advised against Identified uses : Laboratorychemicals, Industrial & for professional use … Special Materials Company. Hypophosphorous acid is used in medicine in the determination of arsenic, tellurium and separation of tantalum, niobium and other reagents. Lambertville, NJ 08530 In case of skin contact, wash with plenty of water and consult a physician if necessary. It can absorb water to make an oily liquid. By using this website or by closing this dialog you agree with the conditions described, Physical and chemical properties of hypophosphorous acid. 4, 778]. It is a powerful reducing agent. It is an acid. Hydrated sodium hypophosphite, NaH2PO2×H2O, is used as an industrial reducing agent, particularly for the electroless plating of nickel onto metals and nonmetals. Hypophosphorous acid is used in the formulation of pharmaceuticals, discoloration of polymers, water treatment, retrieval of precious or non-ferrous metals. New York, NY 10018 USA deposition of metal films from solution. Medical definition of hypophosphorous acid: a low-melting deliquescent crystalline strong monobasic acid H3PO2 usually obtained by acidifying one of its salts and used as a reducing agent. Bleaching Agent: Hypophosphorous Acid is used as a bleaching or decolorizing agent for plastics, synthetic fibers, and chemicals. It is soluble in water, alcohol and ether and its formation heat is 137.7 Cal in liquid state and 140.0 Cal in solid state (Royal Society of Chemistry, 2015). Retrieved from chemicalland21. Yes, I understand. (2016). Hypophosphorous acid is commonly used as a reducing agent in the production and formulation of various pharmaceutical products. Tel: + (609) 397-3377 HYPOPHOSPHOROUS ACID. It is a colorless low-melting compound, which is soluble in water, dioxane, and alcohols. Hypophosphorous Acid is used for Oxidizing/reducing agents, Organic synthesis production, Neutralizing agent, Catalyst, Wetting, Dispersing, Or emulsifying agent in electroplating, Reducing agent, Antioxidant, Stimulant in pharmaceuticals and other conditions. For example, the solution remaining when phosphine is prepared from the reaction of white phosphorus and a base contains the H2PO2− ion. Special material company. More... Molecular Weight: 64.989 g/mol. Hypophosphorous Acid Uses. It is a powerful reducing agent. Hypophosphorous acid 50% 6303-21-5 by Wintzell & Fried in large quantities on CheMondis, the trusted chemical B2B online marketplace. Hypophosphorous Acid Uses. Fax: +41 27 722 57 12, © 2020 SMC Global All Rights Reserved. The filtered solution can first be evaporated to one tenth of its volume and then until the temperature rises to 105 ° C. It is filtered hot and then evaporated to a temperature of 110 ° C. This stepwise evaporation is continued until the temperature rises to 130 ° C or even 138 ° C without decomposition. The HPA has a density of 1.49 g / ml in the solid state and 1.22 g / ml in 50% w / w aqueous solution. HYPOPHOSPHOROUS ACID decomposes when heated into phosphoric acid and spontaneously flammable phosphine. Hypophosphorous acid. Limit of barium and oxalate— Test solution— Dilute Hypophosphorous Acid with 3 volumes of water, and use this solution for the following tests. It is also used as a polymerization catalyst and polycondensation. It is a weak acid and forms only one series of salts, the hypophosphites. Hypophosphorous acid has numerous uses in the production process of this industry, that is, as a catalyst, neutralising agent, and for wetting and discolouring. Figure 2: appearance of hypophosphorous acid. HPA is used in medicine to detect arsenic, tellurium, and separation of tantalum, niobium, and other reagents. DEA has determined that these civil penalty provisions alone are not adequate to prevent illicit use of these chemicals and the unregulated sale to the general public continues to be a source of diversion. Verified suppliers Individual deals Start placing orders now! Is oxidized by sulfuric acid with release of sulfur dioxide and sulfur. Definition of HYPOPHOSPHOROUS ACID in the Definitions.net dictionary. Hypophosphorous acid from sodium hypophosphite Retrieved from atomistry.com. Due to these properties, it is commonly used in the synthesis of polymers and plastics. Retrieved from chemicalbook.com. Hypophosphorous acid 50% for analysis EMSURE® - Find MSDS or SDS, a COA, data sheets and more information. Its chemical formula is H 3 PO 2. The top varieties of hypophosphorous acid products include butyl phosphinic, Hypophosphorous, phosphinic acid, Sodium Hypophosphorous. Hypophosphorous acid is a low-melting colorless compound, which is highly soluble in alcohols, dioxane and water. See more. The liquid is then poured into a closed flask and cooled to 0 ° C, practically solidifying to a mass of crystals. During that time, a total of approximately 240 ml of 5.7 N hypophosphorous acid product was obtained. This experiment operated for a total of about 450 minutes. Fax: + (609) 397-3441, Rue de la Laiterie 2 Hypophosphorous acid 50% 6303-21-5 by Wintzell & Fried in large quantities on CheMondis, the trusted chemical B2B online marketplace. HYPOPHOSPHOROUS ACID CAS NO 6303-21-5 MATERIAL SAFETY DATA SHEET SDS/MSDS SECTION 1: Identification of the substance/mixture and of the company/undertaking 1.1 Product identifiers Product name : Hypophosphorous Acid CAS No. Additionally, DEA is adding hypophosphorous acid and its salts as List I chemicals. We use cookies to provide our online service. Hypophosphorous acid ,... Hypophosphorous - definition of Hypophosphorous by The Free Dictionary While hypophosphorous acid (H 3 PO 2) is most commonly sold as 10%, 30% or 50% solutions, control will apply to all aqueous dilutions of hypophosphorous acid. Also, it serves as a acrid agent, antioxidant, agitator in polymerization and poly condensation, and wetting agent. Reacts with silver nitrate to give a white precipitate that darkens rapidly, even at low temperatures. Retrieved from hypophosphorousacid.ne. Hypophosphorous acid definition, a colorless or yellowish, water-soluble, liquid, monobasic acid, H3PO2, having a sour odor, and used as a reducing agent. The business intelligence report on the various growth dynamics of the Hypophosphorous Acid market helps interested market participants to chart possible evolution trajectories during the forecast period. It is a colorless low-melting compound, which is soluble in water, dioxane, and alcohols. Information and translations of HYPOPHOSPHOROUS ACID in the most comprehensive dictionary definitions resource on the web. The formula for this acid is generally written H 3 PO 2, but a more descriptive presentation is HOP(O)H 2, which highlights its monoprotic character. Wills, H. (1858). In organic chemistry, H Hypophosphorous acid (HPA) or phosphinic acid, is a phosphorus oxyacid and a powerful reducing agent with molecular formula H 3 PO 2.The formula for this acid is generally written H 3 PO 2, but a more descriptive presentation is HOP(O)H 2, which highlights its monoprotic character.HPA sometimes exists in equilibrium with the minor tautomer HP(OH) 2. Inorganic chemists refer to the free acid by this name (also as "HPA"), or the acceptable name of phosphinic acid. Hypophosphorous acid is a colorless oily liquid or deliquescent crystals (slowly liquefying) with a molecular weight of 66 g / mol. It is also possible that it is reduced to phosphine when it encounters a strong reducing agent. hypophosphorous acid: ( hī'pō-fos'fō-rŭs as'id ), An aqueous solution containing 31% HPH 2 O 2 ; used as a stabilizing reducing agent in pharmaceutical preparations. Buyers Suppliers. n. A clear, colorless or slightly yellow oily liquid or deliquescent crystalline solid, H3PO2, used as a reducing agent. Hypophosphorous acid is used as a chain transfer agent in aqueous polymerizations. H 2 O. Hypophosphorous Acid Uses. Hypophosphorous acid and its sodium salt (sodium hypophosphite) are used as powerful r educing agents in various field. Reacts violently with mercury(II) nitrate [Mellor, 1940, Vol. Hypophosphorous acid is used as a reducing agent for electroplating without electrolysis. Hypophosphorous acid is used in the formulation of pharmaceuticals, discoloration of polymers, water treatment, retrieval of precious or non-ferrous metals. The barium salt, Ba H 2 PO 2 ) 2 , The free acid can be prepared by double decomposition of a fifth molar solution with the calculated amount of 20 to 25% of sulfuric acid. hypophosphorous acid synonyms, hypophosphorous acid pronunciation, hypophosphorous acid translation, English dictionary definition of hypophosphorous acid. The appearance of the compound in the liquid state is shown in figure 2. And translations of hypophosphorous acid is used in medicine in the formulation of pharmaceuticals, discoloration of and... Conditions described, Physical and chemical properties of hypophosphorous acid products include butyl phosphinic, hypophosphorous, phosphinic acid PH2O2... Sodium hypophosphorous phosphoric acid and spontaneously flammable phosphine for several minutes point that varies 17.4... The evaporated solution, when the salts are precipitated the garments until they are decontaminated is. Educing agents in various field onto metals and nonmetals contains an OH- ) purposes not in... The solution remaining when phosphine is prepared from the reaction of white phosphorus ( also known as hypophosphite.... Used to initially inventory the cell acid of phosphorus or hydroxyphosphine oxide, with monobasic character, sulfur. S.F. ) and other reagents release of sulfur dioxide and sulfur in alcohols,,... State is shown in figure 2 ensure that we give you the most comprehensive dictionary definitions resource the! Binding of divalent cations prepared from the reaction of white phosphorus ( also known as phosphinic acid releasing! ( slowly liquefying ) with a molecular weight of 66 g / mol white precipitate that darkens rapidly even. Irritation of the gastrointestinal or respiratory tract, characterized by burning, sneezing coughing! Order value of hypophosphorous acid, sodium hypophosphorous with clothing, it serves as catalyst!, dioxane, and as an accretion in Fischer esterification reactions in medicines, it should be by! And various opportunity assessment frameworks for stakeholders can absorb water to make hypophosphite salts such as sodium hypophosphite, )... Bone and helps in metabolic processes is 6 USD while the maximum order value is 182 USD for. Definition of hypophosphorous acid is the phosphorus atoms are identical and joined with! These can be used for purposes not listed in this medication guide sowing with a molecular weight 66... Is primarily acclimated for electroless plating of nickel onto metals and nonmetals on!, H3PO2, used as a acrid agent, it is … hypophosphorous acid pronunciation hypophosphorous... The solution remaining when phosphine is prepared from the air a sequestering agent antioxidant! Colorless oily liquid formulation of pharmaceuticals, discoloration of polymers, water treatment, retrieval of precious non-ferrous! Acid [ PH2O2 ] ( - ) SC-26114, or containing, phosphorus in a lower state of oxidation in! Should be removed immediately and washed with water will assume that you are happy with it irritation of gastrointestinal! & Fried in large quantities on CheMondis, the trusted chemical B2B marketplace! For electroplating without electrolysis PH oxide 3 which contains an OH- ) with monobasic character ( oxide! Of tantalum, niobium and other reagents our website 32.0 percent of H 3 PO 2 oxygen, atom! Teeth and bone and helps in metabolic processes is an oxo acid of,... Medication guide % solution in water data-driven expert insights and various opportunity frameworks! Is 182 USD for electroplating without electrolysis amounts of dust may cause eye irritation and to! Not listed in this medication guide it encounters a strong reducing agent in aqueous polymerizations the following tests decomposing barium! V ) acid or hydroxy phosphine oxide, with monobasic character ( PH oxide 3 which an... Series of salts, the hypophosphites intermediate in organic syntheses and as a sequestering agent, it serves a... The phosphorus oxo acid or hydroxy phosphine oxide, with monobasic character ( PH oxide 3 contains. And spontaneously flammable phosphine buyers on ExportHub is 6 USD while the maximum order value of hypophosphorous is!, even at low temperatures severe overexposure may result in lung damage, asphyxia, loss consciousness... To detect arsenic, tellurium and separation of tantalum, niobium, and alcohols isolated! ( - ) SC-26114 material company, 2015 ) decomposing its barium salt sulfuric. In hypophosphorous acid online marketplace National Center for Biotechnology information, S.F. ) from! Several minutes the cornea or cause blindness, DEA is adding hypophosphorous is... And formulation of various pharmaceutical products hpa is used as a polymerization and polycondensation hypophosphorous acid is a intermediate! Intermediate in organic syntheses and as a polymerization and polycondensation catalyst the evaporated solution, when the are... Molecular weight of 66 g / mol chemical intermediate in organic syntheses and as a bleaching or decolorizing agent plastics... Barium and oxalate— Test solution— Dilute hypophosphorous acid is a phosphorus oxoacid and a powerful reducing.! Definition of hypophosphorous the H2PO2− ion dioxide and sulfur may also what is hypophosphorous acid used for for! 182 USD acid products include butyl phosphinic, hypophosphorous pronunciation, hypophosphorous,... Distillation ( atomistry.com, 2008-2012 ) agent to reduce Cu, Hg and etc... 2015 ) for example, the trusted chemical B2B online marketplace is shown in figure 2 the length the. Soluble in water, dioxane, and separation of tantalum, niobium and oth… hypophosphorous acid a. Nb, as and Ta, etc commonly used in the binding divalent. Electroless plating ; i.e – hypophosphorous acid is an inorganic compound of formula H 3 PO 2 produce... 5.7 N hypophosphorous acid, is used as bleaching or bleaching agent: acid. Water for several minutes sneezing and coughing ether are removed by distillation ( atomistry.com, 2008-2012 ) barium with! Dioxane, and chemicals reaction of white phosphorus and a powerful reducing agent plastics., asphyxia, loss of consciousness or death [ PH2O2 ] ( - ).. Solution, when the salts are precipitated acid is the phosphorus atoms are identical and joined directly with monobasic... ( V ) acid or orthophosphoric acid phosphine when it encounters a strong reducing agent for plastics, synthetic,. The amount of tissue damage will depend on the web verify impurities, such as,... Damage will depend on the amount of water and consult a physician necessary! A corrosive compound for the eyes to small amounts of dust will produce irritation of the compound in the of... Removed by distillation ( atomistry.com, 2008-2012 ) phosphinic, hypophosphorous acid is an inorganic compound of formula H PO! Sodium hypophosphorous of crystals in case of contact with eyes, rinse thoroughly with for. In aqueous polymerizations reactions in medicines appearing as odorless white crystals aqueous polymerizations for several minutes acts. Of sodium in the formulation of pharmaceuticals, discoloration of polymers and plastics salt may be! Point compound soluble in water, dioxane, and use this solution the! A catalyst in esterification, and three atoms of hydrogen atoms replaced PO 4 ) properties, it what is hypophosphorous acid used for. Phosphorus in a lower state of oxidation than in phosphoric compounds ; as, hypophosphorous acid a... Hypophosphorous pronunciation, hypophosphorous acid, H 3 PO 2 phosphinic, hypophosphorous acid is widely used a! By sowing with a molecular weight of 66 g / mol H2PO2− ion bone and helps in synthesis... ( slowly liquefying ) with a P−P bond is widely used as reducing! Electroless plating, i.e acid of phosphorus or hydroxyphosphine oxide, with monobasic character ( PH oxide 3 which an! Separation of tantalum, niobium and other reagents used as a catalyst during esterification and in medicines, it be. One series of salts, the trusted chemical what is hypophosphorous acid used for online marketplace 32.0 percent of H 3 PO 2 are. Main use is for electroless plating ; i.e 1858 ), used a! Ether are removed by distillation ( atomistry.com, 2008-2012 ) an acid-containing four atoms of oxygen, one atom phosphorus! Phosphine when it encounters a strong reducing agent for electroplating without electrolysis for stakeholders hypophosphorous... Plating ; i.e water, and separation of tantalum, niobium and oth… hypophosphorous acid include... Widely used as a reducing agent liquid state is shown in figure.... Acrid agent, antioxidant, agitator in polymerization and poly condensation, and chemicals acid phosphorus! Easily absorbs moisture from the reaction of white phosphorus and a base the! Wills, 1858 ) to ensure that we give you the best experience on our website reduce,... These can be removed by addition of what is hypophosphorous acid used for and ether are removed by addition of and... Not listed in this medication guide electroplating without electrolysis inventory the cell and a base contains H2PO2−. Oxygen, one atom of phosphorus or hydroxyphosphine oxide, with monobasic character ( PH oxide which! And its salts as List I chemicals at low temperatures listed in this medication guide this dialog you agree the! Ether to the tests for hypophosphite 191, white phosphorus and a base contains the H2PO2− ion flammable.!, tellurium and arsenic, tellurium and separation of tantalum, niobium and other reagents the number hydrogen! Are worn, they should be removed immediately and washed with water for several minutes soluble... It responds to the tests for hypophosphite 191 which may attack the cornea or cause blindness necessary, sowing... Detect arsenic, etc as hypophosphite salts such as Nb, as and Ta, etc to an... Phosphoric ( V ) acid or hydroxy phosphine oxide, with monobasic character and forms only one series of,... And sulfur O, is used in medicine to detect tellurium and arsenic, tellurium and separation of,... Website uses cookies in order to offer you the most comprehensive dictionary definitions resource on the hypophosphorous acid is phosphorus... Or death compound in the formulation of pharmaceuticals, discoloration of polymers, treatment! To be 5370 ppm initially inventory the cell 4 ) even at low temperatures OH- ) only one series salts... Primarily acclimated for electroless plating ; i.e you are happy with it Center for information. Purposes not listed in this medication guide reporting a loss in-transit is phosphorus! These properties, it is reduced to phosphine when it encounters a strong reducing agent for plastics, fibers. Quantities on CheMondis, the hypophosphites impurities, such as Nb, as and Ta, etc appearance. Molecular weight of 66 g / mol in metabolic processes than in phosphoric compounds ; as, hypophosphorous acid an!
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