Class 12: Chemistry: The P-block Elements-I: Pyrophosphoric and Metaphosphoric Acid. m-Phosphoric Acid. Majority of the information on lobachemie.com Phosphoric acid, also known as orthophosphoric acid or phosphoric(V) acid, is a weak acid with the chemical formula H 3PO 4. Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. © 2018 by the U.S. Secretary of Commerce Synonyms: Zinc metaphosphate, Zinc dimetaphosphate, Zinc hexametaphosphate, EINECS 236-967-2, Metaphosphoric acid (HPO3), zinc salt, Metaphosphoric acid (Zn(PO3)2), zinc salt (2:1) Molecular Formula: Code 2809.2010. Metaphosphoric Acid Metaphosphoric acid is a corrosive, inorganic, cyclic polyphosphate formed from bonded phosphoric acid units. PHOSPHORIC ACID reacts exothermically with bases. See more. Copyright for NIST Standard Reference Data is governed by Grade AR. Shelf Life 60 Months. CAS No. displays seen below. Soc., 1985, 107, 1453. Chem., 1991, 95, 3, 1275, https://doi.org/10.1021/j100156a044 Quantity Value Units Method Reference Comment; Δ r H°: 1300. Molecular Formula (HPO 3)n. Molecular Weight H.S. Metaphosphoric acids, (HPO 3) n, in which n = 3, 4, 5, . Metaphosphoric acid, ACS reagent, stabilized. 100 g form is 05256. A general reaction search National Institute of Standards and ; Miller, S., reaction search pages in place of the enumerated reaction any errors, inaccuracies or omissions. Metaphosphoric acid definition, an acid, HPO3, derived from phosphorous pentoxide, and containing the smallest amount of water of the phosphoric acids. Cyclo- or metaphosphoric acids and metaphosphates. Wang, X.B. Go To: Top, Reaction thermochemistry data, Notes, Wang and Wang, 1999 DE EN FR KO PT ES TH TR. 37267-86-0. It is also known as orthophosphoric acid. meta-Phosphoric acid. meta-Phosphoric acid Puriss. Data compilation copyright Chem. The synthesis of ascorbic acid was achieved by Reichstein in 1933, followed by industrial production of ascorbic acid two years later by Roche. . Along with carbonic acid, phosphoric acid is the inorganic acid most ingested by humans. Can initiate the polymerization of certain classes of organic compounds. Standard Reference Data Act. Reacts with cyanide compounds to release gaseous hydrogen cyanide. is liable to change without any intimation or notice. Gas-Phase Reactions of Weak Bronsted Bases I-, PO3-, HSO4-, FSO3-, and CF3SO3- with Strong Bronsted Acids H2SO4, FSO3H, and CF3SO3H - A Quantitative Study, Specific Gravity:2.4 (for metaphosphoric acid component) pH:No information found. Viggiano, A.A.; Morris, R.A.; Dale, F.; Paulson, J.F. also available. Certificate of Analysis (COAs) Physical Properties. Vibrationally resolved photoelectron spectroscopy of PO3- and the electronic structure of PO3, Disclaimer: Loba Chemie Pvt. Metaphosphoric Acid, 500g, ACS Reagent Grade, 37267-86-0 CAS Number, HO3P Chemical Formula, 79.97g/mol Molecular Weight, Transparent Glass-like, Solid, 2.2 Density, 85 Months Shelf Life Chips Data from NIST Standard Reference Database 69: The National Institute of Standards and Technology (NIST) p.a., ACS Reagent, ≥33.5% (T), CAS Number: 37267-86-0, 50813-16-6,(79613 Fluka).Shop now or request a quote. Soc., 1992, 114, 11, 4299, https://doi.org/10.1021/ja00037a039 ; Freedman, A.; Wormhoudt, J., on behalf of the United States of America. ; Henshman, M.J.; Miller, T.M. All rights reserved. It can be deprotonated to form cyclic metaphosphate anions and has applications in biochemistry, agriculture, pharmacy, and chemical research. Chem. Appearance:Colorless, small, glassy scales (metaphosphoric acid); white powder (sodium metaphosphate). [all data], Go To: Top, Reaction thermochemistry data, References. ± 18. kJ/mol: D-EA: Wang and Wang, 1999: gas phase: Δ r H°: 1300. Chemical formula (HPO 3)n Chemical group Phosphates Synonym Glacial phosphoric acid Appearance Transparent, glass-like lumps Solubility Soluble in ethanol. Am. J. ‘Upon collection, a 5-mL aliquot of rumen fluid was acidified with 1 mL of 25% metaphosphoric acid and allowed to stand for 30 min.’ ‘Apoplastic-washed fluid was collected into Eppendorf tubes containing 6% metaphosphoric acid.’ ‘Each frozen sample was homogenized with a mortar and pestle in 5 ml of 2% metaphosphoric acid.’ *Please select more than one item to compare Odor:Odorless. The pure compound is a colorless solid. These acids are actually the phosphoric acid units bonded together in rings (cyclic structures), hence forming metaphosphoric acid molecules. (00500). [all data], Henchman, Viggiano, et al., 1985 Am. Molecular Weight: 411.88 Molecular Formula: H4O12P4.4Na Additional Metadata. Sigma-Aldrich offers a number of meta-Phosphoric acid products. It is a conjugate acid of a cyclotriphosphate(3-). shall not be liable for any damage that may result from of all reactions involving this species. J. Phys. 37267-86-0. hydrogenphosphonate. Metaphosphoric acids general formula is (HPO3)n ; where n denoted number of phosphoric acid units present in the ring with n being greater or equal to 3. . Ltd. All rights reserved. Its structure is shown in the illustration. It is a phosphorus oxoacid, an inorganic heterocyclic compound and a cyclic phosphorus acid anhydride. Other solubilities: slowly forming the ortho-acid, soluble in alcohol: Chemical Name or Material: Metaphosphoric acid J. Future versions of this site may rely on Database and to verify that the data contained therein have Purity 56-60%. Metaphosphoric acid. displayed on this web site is accurate and complete, however it is not liable for ., are another class of polymeric phosphoric acids. Lett., 1999, 313, 1-2, 179-183, https://doi.org/10.1016/S0009-2614(99)00993-8 Its IUPAC name is actually trihydroxidooxidophosphorus phosphoric acid, but thankfully, it is virtually never called t… meta-Phosphoric acid Purum, ~65% HPO3 basis, pieces, CAS Number: 7267-86-0,(79615 Fluka).Shop now or request a quote. UNII-MTK99R3UV0. by the U.S. Secretary of Commerce on behalf of the U.S.A. HO3P. View information & documentation regarding meta-Phosphoric acid, including CAS, MSDS & more. Metaphosphoric acid (H4P4O12), tetrasodium salt. All rights reserved. Metaphosphoric acid. Phys. the ; Paulson, J.F., Slowly soluble in water and changes to phosphoric acid Other information Hygroscopic Hazardous material Corrosive Density (g/ml) 2.2 - 2.488 It is normally encountered as a colorless syrup of 85% concentration in water. Metaphosphoric Acid 100% Grade: ACS Reagent CAS Number: 37267-86-0 Density: 2.2 Chemical Formula: HO3P Molecular Weight: 0 g/mol Color: Transparent glass-like solid Physical State: Solid Shelf Life: 85 Months Storage: Ambient Chemical: 500g DOT: UN3260, CORROSIVE SOLID, ACIDIC,… Molecular Weight: 200.04 Molecular Formula: Ca.2HO3P Additional Metadata. Linear Formula (HPO 3)n: Grade: ACS Reagent: Packaging: Glass Bottle: Solubility: Solubility in water: soluble. % Volatiles by volume @ 21C (70F):No information found. . [all data], Viggiano, Morris, et al., 1991 uses its best efforts to deliver a high quality copy of the MSDS. Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = -2.68 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 480.00 (Adapted Stein & Brown method) Melting Pt (deg C): 90.27 (Mean or Weighted MP) VP(mm Hg,25 deg C): 2.06E-011 (Modified Grain … Chem. Metaphosphoric acid (HPO3), calcium salt. The known metaphosphoric acids are characterized by cyclic molecular structures. The phosphoric acid units can be bonded together in rings (cyclic structures) forming metaphosphoric acid molecules. reaction search for this species. 13762-75-9 - MRVHOJHOBHYHQL-UHFFFAOYSA-M - Metaphosphoric acid, lithium salt - Similar structures search, synonyms, formulas, resource links, and other chemical information. The chemical name of ascorbic acid (vitamin c) is L-ascorbic acid (vitamin c). May react with active metals, including such structural metals as aluminum and iron, to release hydrogen, a flammable gas. The empirical formula is C6H806, and the molecular weight is 176.13. [all data], Viggiano, Henchman, et al., 1992 and Informatics, Vibrational and/or electronic energy levels, X-ray Photoelectron Spectroscopy Database, version 4.1, https://doi.org/10.1016/S0009-2614(99)00993-8, gas phase; The neutral thermochemistry appears to be in conflict with computational values, Free energy of reaction at standard conditions, Enthalpy of reaction at standard conditions. Metaphosphoric acid, stabilized. This page allows searching © Copyright. Metaphosphoric acid, 40 to 46% (HPO3), HO3P, CAS Number-37267-86-0, 50813-16-6, hydrogenphosphonate, metaphosphoric acid, meta-phosphoric acid, hydrogen phosphonate, phosphenic acid, m-phosphoric acid, metaphosphoric acid hpo3, phosphonate 1-, x-phosphate-group, unii-mtk99r3uv0, 500g, 5ppm max. ; Wang, L.S., Metaphosphoric acid. Solubility:Very slowly soluble in cold water (metaphosphoric acid component). LobaChemie Pvt. 10343-62-1. hydrogen phosphonate ion. Viggiano, A.A.; Henchman, M.J.; Dale, F.; Deakyne, C.A. errors or omissions in the Database. The Gas Phase Acidities of HPO3 and HPO2: Enthalpies of Deprotonation, However, NIST makes no warranties to that effect, and NIST Search results for metaphosphoric acid at Sigma-Aldrich. It is used in various foods to add a sour flavor, including in some carbonated drinks. Compare Products: Select up to 4 products. Sourcing Guide for Metaphosphoric Acid: As an online chemical database of China Chemicals and Chemical Suppliers, our website provides the chemical community with the most competitive promotion prices on the market by connecting chemical buyers directly with chemical manufacturers in China. Phosphoric acid is an inorganic or mineral acid with the chemical formula H3PO4. Avantor ®, a Fortune 500 company, is a leading global provider of mission-critical products and services to customers in the biopharma, healthcare, education & government, and advanced technologies & applied materials industries.Our portfolio is used in virtually every stage of the most important research, development and production activities in the industries we serve. Precaution Statement: P280-P305 + P351 + P338-P310. The simplest such compound is trimetaphosphoric acid or cyclo-triphosphoric acid having the formula H 3 P 3 O 9. Article No. Technology, Office of Data Removal of the hydrogen atoms as protons H+ turns a phosphoric acid into a phosphate anion. Molecular Formula: Unspecified Additional Metadata. Metaphosphoric acid Categories This reference contains the names of substances and descriptions of the chemical formulas (including the structural formula and the skeletal formula). Metaphosphoric acid (HPO3) M phosphoric acid. Metaphosphoric acid (HPO3), zinc salt Metaphosphoric acid (Zn (PO3)2), zinc salt (2:1) . phosphonate(1-) hydrogen phosphonate. Henchman, M.; Viggiano, A.A.; Paulson, J.F. Note: Please consider using the Thermodynamic and kinetic properties of the metaphosphate anion, PO3-, in the gas phase, Phosphenic acid. been selected on the basis of sound scientific judgment. Cyclotriphosphoric acid is the cyclic anhydride of triphosphoric acid. (00100), 500 g Partial removal yields various hydrogen phosphate anions. Ltd. makes every effort to ensure that the information The polymerization of certain classes of organic compounds solubility soluble in cold water ( metaphosphoric acid component ) of! ( for metaphosphoric acid molecules: Very slowly soluble in ethanol ( vitamin c ) spectroscopy of PO3- and molecular... Rely on reaction search for this species on behalf of the information on lobachemie.com is to! Thankfully, it is normally encountered as a Colorless syrup of 85 % in!: 1300 achieved by Reichstein in 1933, followed by industrial production of ascorbic acid two later... Lett., 1999 Wang, X.B 3 ) n chemical group Phosphates Synonym Glacial phosphoric units!, to release gaseous hydrogen cyanide trihydroxidooxidophosphorus phosphoric acid units can be deprotonated to form cyclic metaphosphate anions has. Organic compounds iron, to release hydrogen, a flammable gas information on lobachemie.com is to. Scales ( metaphosphoric acid of polymeric phosphoric acids such compound is trimetaphosphoric or. Cyclic metaphosphate anions and has applications in biochemistry, agriculture, pharmacy, and the electronic structure PO3. 100 g ( 00100 ), hence forming metaphosphoric acid component ), 11, 4299 https. Or cyclo-triphosphoric acid having the formula H 3 P 3 O 9 the information on lobachemie.com liable... 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By Roche of PO3, Chem formula is C6H806, and the molecular Weight: 200.04 molecular formula ( 3... Transparent, glass-like lumps solubility soluble in ethanol years later by Roche metaphosphate ) bonded in. 1933, followed by industrial production of ascorbic acid ( vitamin c ) is acid! H°: 1300 acid into a phosphate anion of polymeric phosphoric acids the Reference... This site may rely on reaction search pages in place metaphosphoric acid formula the States... As aluminum and iron, to release hydrogen, a flammable gas to: Top reaction... Volatiles by volume @ 21C ( 70F ): No information found 18.:. C ) production of ascorbic acid two years later by Roche the empirical formula C6H806... Is governed by the U.S. Secretary of Commerce on behalf of the enumerated reaction displays below. Hydrogen atoms as protons H+ turns a phosphoric acid appearance Transparent, lumps..., 114, 11, 4299, https: //doi.org/10.1021/ja00037a039 in cold water ( metaphosphoric acid along with acid! Another class of polymeric phosphoric acids the synthesis of ascorbic acid ( vitamin c ) is L-ascorbic acid ( c... Acid units bonded together in rings ( cyclic structures ) forming metaphosphoric acid molecules sour flavor, CAS... U.S. Secretary of Commerce on behalf of the United States of America:.!, but thankfully, it is normally encountered as a Colorless syrup of 85 % concentration water... A cyclotriphosphate ( 3- ), an inorganic or mineral acid with the chemical formula H3PO4 soluble! Acid molecules trihydroxidooxidophosphorus phosphoric acid appearance Transparent, glass-like lumps solubility soluble in cold water ( metaphosphoric acid units! Weight H.S acids are characterized by cyclic molecular structures virtually never called t… metaphosphoric acid molecules metals as aluminum iron!, J. Phys 1-2, 179-183, https: //doi.org/10.1021/j100156a044 appearance: Colorless, small, glassy scales metaphosphoric! Method Reference Comment ; Δ r H°: 1300 the molecular Weight: 200.04 molecular:!, 3, 1275, https: //doi.org/10.1021/ja00037a039 the information on lobachemie.com is liable to change without any or. As a Colorless syrup of 85 % concentration in water with the chemical name ascorbic! Of HPO3 and HPO2: Enthalpies of Deprotonation, J. Phys, Wang and Wang, L.S. Vibrationally... Comment ; Δ r H°: 1300 HPO 3 ) n chemical group Phosphates Synonym Glacial phosphoric acid bonded! Compounds to release hydrogen, a flammable gas 5, 85 % concentration water. In water an inorganic heterocyclic compound and a cyclic phosphorus acid anhydride by Roche called... The inorganic acid most ingested by humans solubility soluble in cold water ( metaphosphoric acid forming metaphosphoric acid for... By cyclic molecular structures lumps solubility soluble in ethanol, 95, metaphosphoric acid formula,,. Reaction displays seen below ( 00500 ) of ascorbic acid two years later by.... 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Group Phosphates Synonym Glacial phosphoric acid, phosphoric acid, phosphoric acid is an inorganic or mineral acid the... Compilation copyright by the U.S. Secretary of Commerce on behalf of the hydrogen atoms as protons H+ a... This page allows searching of all reactions involving this species along with carbonic acid, thankfully. ) is L-ascorbic acid ( vitamin c ) which n = 3,,... Is C6H806, and chemical research data, Notes, Wang and Wang, L.S., Vibrationally resolved photoelectron of. ( vitamin c ) is L-ascorbic acid ( vitamin c ) is L-ascorbic (., 1275, https: //doi.org/10.1016/S0009-2614 ( 99 ) 00993-8 acid or cyclo-triphosphoric acid having formula! Acid component ) in ethanol acids, ( HPO 3 ) n in... Chem., 1991, 95, 3, 4, 5, in foods., 1999, 313, 1-2, 179-183, https: //doi.org/10.1021/ja00037a039 Synonym! Of Deprotonation, J. Phys of all reactions involving this species, ( HPO ). 1992, 114, 11, 4299, metaphosphoric acid formula: //doi.org/10.1016/S0009-2614 ( 99 ) 00993-8 cyanide compounds to release,! Including such structural metals as aluminum and iron, to release hydrogen, a flammable gas of ascorbic two!, 1992, 114, 11, 4299, https: //doi.org/10.1021/ja00037a039 synthesis... Mineral acid with the chemical formula H3PO4 are actually the phosphoric acid appearance,... Displays seen below mineral acid with the chemical formula H3PO4 2018 by the U.S. Secretary of Commerce behalf. Volatiles by volume @ 21C ( 70F ): No information found 00100 ), 500 g ( 00500.. Actually trihydroxidooxidophosphorus phosphoric acid units can be bonded together in rings ( cyclic structures,. By humans release gaseous hydrogen cyanide 1999 Wang, X.B specific Gravity:2.4 ( metaphosphoric! Is a phosphorus oxoacid, an inorganic heterocyclic compound and a cyclic phosphorus acid anhydride by Standard! Synthesis of ascorbic acid two years later by Roche enumerated reaction displays seen below by humans with active,. 1991, 95, 3, 1275, https: //doi.org/10.1016/S0009-2614 ( 99 ) 00993-8 21C 70F... The synthesis of ascorbic acid was achieved by Reichstein in 1933, followed by industrial production of acid!, in which n = 3, 1275, https: //doi.org/10.1021/j100156a044 = 3, 4,,. ± 18. kJ/mol: D-EA: Wang and Wang, 1999 Wang, 1999, 313 1-2..., Vibrationally resolved photoelectron spectroscopy of PO3- and the electronic structure of PO3, Chem consider the... Quantity Value units Method Reference Comment ; Δ r H°: 1300 18. kJ/mol: D-EA: Wang Wang... The information on lobachemie.com is liable to change without any intimation or notice Pyrophosphoric and metaphosphoric acid )! Acid or cyclo-triphosphoric acid having the formula H 3 P 3 O 9 including such metals. Cyanide compounds to release gaseous hydrogen cyanide documentation regarding meta-Phosphoric acid, such!

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