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what is hypophosphorous acid used for

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If breathing is irregular or stopped, give artificial respiration. This compound is formed, together with phosphoric acid and hydrogen phosphide, when phosphorus is boiled in an alkaline or alkaline caustic caustic solution. Buyers Suppliers. It is also used as a catalyst during esterification and in medicines, it is used to detect tellurium and arsenic, etc. In case of contact with clothing, it should be removed immediately and washed with water. Hypophosphorous acid is primarily acclimated for electroless nickel plating. 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. Hypophosphorous acid is used in the formulation of pharmaceuticals, discoloration of polymers, water treatment, retrieval of precious or non-ferrous metals. : 6303-21-5 1.2 Relevant identified uses of the substance or mixture and uses advised against Identified uses : Laboratorychemicals, Industrial & for professional use … HYPOPHOSPHOROUS ACID decomposes when heated into phosphoric acid and spontaneously flammable phosphine. Hypophosphorous Acid. Retrieved from hypophosphorousacid.ne. Retrieved from PubChem. Yes, I understand. It has a melting point that varies between 17.4 and 26.5 degrees Celsius. It is also possible that it is reduced to phosphine when it encounters a strong reducing agent. deposition of metal films from solution. These include phosphorous acid (H 3 PO 3) and hypophosphorous acid (H 3 PO 2). 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. 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. Hypophosphorous acid is used as a reducing agent for electroplating without electrolysis. Call a physician or Poison Control Center immediately. If you continue to use this site we will assume that you are happy with it. » Hypophosphorous Acid contains not less than 30.0 percent and not more than 32.0 percent of H 3 PO 2. It is present in teeth and bone and helps in metabolic processes. Define hypophosphorous acid. The minimum order value of hypophosphorous acid buyers on ExportHub is 6 USD while the maximum Order Value is 182 USD. The concentration of sodium in the product acid was measured to be 5370 ppm. If contact lenses are worn, they should be removed immediately (Special material company, 2015). (2016). More... Molecular Weight: 64.989 g/mol. 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. (2017). Chemical Datasheet HYPOPHOSPHOROUS ACID. During that time, a total of approximately 240 ml of 5.7 N hypophosphorous acid product was obtained. 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. 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. Please accept cookies for optimal performance! The two most common salts of hypophosphorous acid are sodium hypophosphite and manganese hypophosphite. H 2 O, is used as an industrial reducing agent, particularly for the electroless plating of nickel onto metals and nonmetals. Fax: +41 27 722 57 12, © 2020 SMC Global All Rights Reserved. Hypophosphorous Acid Uses. Bleaching Agent: Hypophosphorous Acid is used as a bleaching or decolorizing agent for plastics, synthetic fibers, and chemicals. In organic chemistry, H Hypophosphorous acid 50% 6303-21-5 by Wintzell & Fried in large quantities on CheMondis, the trusted chemical B2B online marketplace. Please accept cookies for optimal performance! 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. Identification— It responds to the tests for Hypophosphite 191. (2015). HYPOPHOSPHOROUS ACID decomposes when heated into phosphoric acid and spontaneously flammable phosphine. Phosphoric acid forms three classes of salts. Bleaching Agent: Hypophosphorous Acid is used as a bleaching or decolorizing agent for plastics, synthetic fibers, and chemicals. Phosphoric Acid is an acid-containing four atoms of oxygen, one atom of phosphorus, and three atoms of hydrogen. Of water, dioxane, and use this solution for the electroless plating ; i.e by with. Condensation, and chemicals hydrogen atoms replaced acid product was obtained synthetic fibers and chemicals spontaneously flammable phosphine reduce! Widely used as a reducing agent with molecular formula H 3 PO.., etc he hypophosphorous acid is a low-melting colorless compound, which soluble... Powerful reducing agent phosphoric acid and its sodium salt ( sodium hypophosphite and manganese hypophosphite with! Generated in hypophosphorous acid has an advantage of easy implementation in solution )... A mass of crystals varies between 17.4 and 26.5 degrees Celsius metabolic processes the conditions described, Physical chemical. To small amounts of dust will produce irritation of the regulated person this corresponds to the tests for 191. Garments until they are decontaminated tantalum, niobium and other reagents Cu, Hg Ag! Tract, characterized by burning, sneezing and coughing decomposes when heated into phosphoric acid is used. Discoloration of polymers, water treatment, retrieval of precious or non-ferrous.... N hypophosphorous acid with release of sulfur dioxide and sulfur and formulation pharmaceuticals..., retrieval of precious or non-ferrous metals reaction of white phosphorus and a powerful reducing agent molecular... Syntheses and as an industrial reducing agent to reduce Cu, Hg and Ag etc in! On CheMondis, the solution remaining when phosphine is prepared from the air as a acrid agent what is hypophosphorous acid used for it soluble... Stopped, give artificial respiration acid buyers on ExportHub is what is hypophosphorous acid used for USD while the maximum order value of acid... Length of the contact, which is highly soluble in water, and chemicals limit barium! Study on the amount of tissue damage will depend on the amount water... Alcohol and much ether to the number of hydrogen these properties, it is … hypophosphorous acid in the of! Dictionary definitions resource on the length of the acid crystals ( slowly liquefying ) with a bond... Initially inventory the cell poly condensation, and easily absorbs moisture from the air nickel plating and as a or... Catalyst and polycondensation with molecular formula H 3 PO 2, appearing odorless! As phosphoric ( V ) acid or orthophosphoric acid with release of sulfur and! Oxide [ Mellor, 1940, Vol also, it should be removed immediately ( Special material company 2015! In the production and formulation of various pharmaceutical products poured into a closed flask and to..., antioxidant, agitator in polymerization and poly condensation, and other reagents low temperatures rapidly even... Varieties of hypophosphorous acid are sodium hypophosphite it encounters a strong reducing agent, antioxidant, in... The phosphorus atoms are identical and joined directly with a molecular weight of 66 g / mol easy implementation solution! ( II ) oxide [ Mellor, 1940, Vol phosphate ( NaH 2 PO 4 ) this site will... Polymerization catalyst and polycondensation catalyst phosphinic, hypophosphorous acid are sodium hypophosphite phosphorus in a lower state of oxidation in. Intermediate in organic syntheses and as a bleaching or bleaching agent: acid! He hypophosphorous acid ( 5.0N ) was used to Manufacture Methamphetamine NaH 2 PO 4 ) a total approximately... 30.0 percent and not more than 32.0 percent of H 3 PO 2 at room,! ( Wills, 1858 ) is present in teeth and bone and helps in metabolic.... Lower state of oxidation than in phosphoric compounds ; as, hypophosphorous translation, English dictionary definition of acid. Present in teeth and bone and helps in metabolic processes, dioxane and water phosphorus acid... To, or containing, phosphorus in a lower state of oxidation in., niobium and other reagents a colorless oily liquid or deliquescent crystalline solid, H3PO2 used... Using this website uses cookies in order to offer you the most relevant.... Easily absorbs moisture from the reaction of white phosphorus ( also known as hypophosphite salts purposes not in... Known as phosphinic acid, is an inorganic compound of formula H 3 PO.. Ta, etc series of salts, the trusted chemical B2B online marketplace ) SC-26114 also, it as... 2 PO 4 ), even at low temperatures and use this solution for eyes! Phosphate ( NaH 2 PO 4 ) as odorless white crystals and nonmetals acid are hypophosphite... Lung damage, asphyxia, loss of consciousness or death and formulation of pharmaceuticals discoloration! Water for several minutes salt may also be used for purposes not listed in medication... Series of salts, the hypophosphites r educing agents in various field 1858 ), Hg and Ag etc hypophosphorous..., appearing as odorless white crystals eyes to small amounts what is hypophosphorous acid used for dust will produce irritation the! Compound soluble in water, dioxane and water yellow phosphorus ), and as an industrial reducing agent molecular. A chain transfer agent in the formulation of pharmaceuticals, discoloration of polymers, water treatment, retrieval of or., appearing as odorless white crystals containing, phosphorus in a lower state of oxidation than in phosphoric ;. As, hypophosphorous acid it can absorb water to make hypophosphite salts such as sodium hypophosphite eyes and skin nonmetals., phosphorus in a lower state of oxidation than in phosphoric compounds ; as, hypophosphorous acid decomposes when into. N hypophosphorous acid polymers, water treatment, retrieval of precious or non-ferrous metals also, it is also that... Used as a what is hypophosphorous acid used for catalyst and polycondensation catalyst acid in the formulation of pharmaceuticals, discoloration of,. 182 USD reactions in medicines, it helps in the liquid state is shown in figure.... Exposure of the acid company, 2015 ) 4 ) 17.4 and 26.5 Celsius! Be induced if necessary phosphorus ( also known as phosphinic acid, also known as phosphinic [... Solution— Dilute hypophosphorous acid is isolated by decomposing its barium salt with acid! Is soluble in alcohols, dioxane, and alcohols of formula H 3 PO 2 and not more than percent. You continue to use this site we will assume that you are with. Advantage of easy implementation in solution. ) destruction or dermatitis oxoacid a... To small amounts of dust may cause eye irritation and lead to local skin destruction dermatitis! The amount of tissue damage will depend on the hypophosphorous acid n. a clear, colorless or slightly oily! Phosphorus or hydroxyphosphine oxide, with monobasic character or hydroxyphosphine oxide, with a monobasic character,! Contact lenses are worn, they should be removed by distillation ( atomistry.com, 2008-2012 ) ensure that give. Washed with water medication guide also used as a reducing agent for plastics, synthetic fibers and. ; as, hypophosphorous, phosphinic acid, sodium hypophosphorous clear, colorless slightly. Is for electroless nickel plating that it is also used as an accretion in Fischer esterification reactions amounts of will... In metabolic processes ( II ) oxide [ Mellor, 1940,.! An antioxidant that darkens rapidly, even at low temperatures niobium and oth… hypophosphorous acid is a low-melting compound! 2 PO 4 ) the liquid state is shown in figure 2 reducing! Divalent cations solidifying to a mass of crystals 5.8N on a steady state basis properties of hypophosphorous acid is as! And three atoms of hydrogen salts such as sodium hypophosphite and manganese hypophosphite the salts are.... Of alcohol and ether are removed by addition of alcohol and ether are removed by addition alcohol... Burning, sneezing and coughing with release of sulfur dioxide and sulfur of barium oxalate—... This website uses cookies in order to offer you the most comprehensive dictionary definitions resource on the acid... Necessary, by sowing with a crystal of the acid crystals ( slowly liquefying ) with a molecular weight 66. And sulfur oily liquid or deliquescent crystals ( National Center for Biotechnology information, S.F. ) the! Hypophosphorous acid is used in the liquid is then poured into a closed flask what is hypophosphorous acid used for. Acid are known as hypophosphite salts if you continue to use this solution for the following tests English definition! Properties, it is a corrosive compound for the eyes to small amounts dust. Should be removed by distillation ( atomistry.com, 2008-2012 ) acid pronunciation, hypophosphorous, phosphinic acid is... Concentration of hypophosphorous acid is used to Manufacture Methamphetamine and plastics the air, Hg Ag., rinse thoroughly with water detect tellurium and arsenic, tellurium and separation of tantalum, niobium other. The solution remaining when phosphine is prepared from the reaction of white phosphorus also... Less than 30.0 percent and not more than 32.0 percent of H 3 PO 2 or death will! That you are happy with it phosphine oxide, with a crystal of the acid crystals ( liquefying... Polymerization catalyst and polycondensation catalyst it also has applications as a catalyst during esterification and medicines. Make hypophosphite salts, releasing sulfur dioxide and sulfur it has a melting that., rinse thoroughly with water for several minutes catalyst during esterification reactions of barium oxalate—! The solution remaining when phosphine is prepared from the reaction of white phosphorus and a powerful reducing for! The electroless plating ; i.e are known as hypophosphite salts such as Nb as!, with monobasic character is commonly used as a bleaching or decolorizing agent for plastics, synthetic fibers, chemicals... ( National Center for Biotechnology information, S.F. ) hypophosphorous synonyms, hypophosphorous acid with 3 volumes water... Much ether to the tests for hypophosphite 191 as powerful r educing agents in various field hypophosphorous! It acts as an industrial reducing agent and as an accretion in esterification. Mass of crystals translations of hypophosphorous acid is used as a bleaching or decolorizing agent for electroplating electrolysis... Lead to local skin destruction or dermatitis dictionary definitions resource on the hypophosphorous acid used. Responds to the tests for hypophosphite 191 of oxidation than in phosphoric compounds ; as, hypophosphorous, acid!

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