The phosphoric acid units can be bonded together in rings (cyclic structures) forming metaphosphoric acid molecules. Metaphosphoric acid. Soc., 1992, 114, 11, 4299, https://doi.org/10.1021/ja00037a039 any errors, inaccuracies or omissions. 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. Code 2809.2010. Molecular Formula: Unspecified Additional Metadata. Sigma-Aldrich offers a number of meta-Phosphoric acid products. [all data], Henchman, Viggiano, et al., 1985 reaction search for this species. errors or omissions in the Database. Cyclotriphosphoric acid is the cyclic anhydride of triphosphoric acid. National Institute of Standards and Metaphosphoric acid, ACS reagent, stabilized. Reacts with cyanide compounds to release gaseous hydrogen cyanide. Purity 56-60%. Metaphosphoric acid (H4P4O12), tetrasodium salt. A general reaction search . These acids are actually the phosphoric acid units bonded together in rings (cyclic structures), hence forming metaphosphoric acid molecules. Compare Products: Select up to 4 products. Removal of the hydrogen atoms as protons H+ turns a phosphoric acid into a phosphate anion. 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 … Standard Reference Data Act. Data compilation copyright ., are another class of polymeric phosphoric acids. Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. Ltd. makes every effort to ensure that the information meta-Phosphoric acid. phosphonate(1-) hydrogen phosphonate. Metaphosphoric acid (HPO3), calcium salt. It is used in various foods to add a sour flavor, including in some carbonated drinks. However, NIST makes no warranties to that effect, and NIST DE EN FR KO PT ES TH TR. Cyclo- or metaphosphoric acids and metaphosphates. displays seen below. Am. Viggiano, A.A.; Morris, R.A.; Dale, F.; Paulson, J.F. Copyright for NIST Standard Reference Data is governed by meta-Phosphoric acid Purum, ~65% HPO3 basis, pieces, CAS Number: 7267-86-0,(79615 Fluka).Shop now or request a quote. The Gas Phase Acidities of HPO3 and HPO2: Enthalpies of Deprotonation, All rights reserved. Henchman, M.; Viggiano, A.A.; Paulson, J.F. It is also known as orthophosphoric acid. Chemical formula (HPO 3)n Chemical group Phosphates Synonym Glacial phosphoric acid Appearance Transparent, glass-like lumps Solubility Soluble in ethanol. Molecular Weight: 200.04 Molecular Formula: Ca.2HO3P Additional Metadata. Class 12: Chemistry: The P-block Elements-I: Pyrophosphoric and Metaphosphoric Acid. Molecular Weight: 411.88 Molecular Formula: H4O12P4.4Na Additional Metadata. ; Henshman, M.J.; Miller, T.M. Future versions of this site may rely on Soc., 1985, 107, 1453. It is a conjugate acid of a cyclotriphosphate(3-). Ltd. All rights reserved. The chemical name of ascorbic acid (vitamin c) is L-ascorbic acid (vitamin c). ; Miller, S., J. Linear Formula (HPO 3)n: Grade: ACS Reagent: Packaging: Glass Bottle: Solubility: Solubility in water: soluble. LobaChemie Pvt. Wang, X.B. Phosphoric acid, also known as orthophosphoric acid or phosphoric(V) acid, is a weak acid with the chemical formula H 3PO 4. It is a phosphorus oxoacid, an inorganic heterocyclic compound and a cyclic phosphorus acid anhydride. © 2018 by the U.S. Secretary of Commerce ; Freedman, A.; Wormhoudt, J., The pure compound is a colorless solid. 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. Lett., 1999, 313, 1-2, 179-183, https://doi.org/10.1016/S0009-2614(99)00993-8 Quantity Value Units Method Reference Comment; Δ r H°: 1300. PHOSPHORIC ACID reacts exothermically with bases. 10343-62-1. hydrogen phosphonate ion. Metaphosphoric acid (HPO3), zinc salt Metaphosphoric acid (Zn (PO3)2), zinc salt (2:1) ± 18. kJ/mol: D-EA: Wang and Wang, 1999: gas phase: Δ r H°: 1300. Chem. Slowly soluble in water and changes to phosphoric acid Other information Hygroscopic Hazardous material Corrosive Density (g/ml) 2.2 - 2.488 uses its best efforts to deliver a high quality copy of the Phys. It can be deprotonated to form cyclic metaphosphate anions and has applications in biochemistry, agriculture, pharmacy, and chemical research. Am. of all reactions involving this species. 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. View information & documentation regarding meta-Phosphoric acid, including CAS, MSDS & more. 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: % Volatiles by volume @ 21C (70F):No information found. 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. Search results for metaphosphoric acid at Sigma-Aldrich. Along with carbonic acid, phosphoric acid is the inorganic acid most ingested by humans. Molecular Formula (HPO 3)n. Molecular Weight H.S. Chem., 1991, 95, 3, 1275, https://doi.org/10.1021/j100156a044 Metaphosphoric acids, (HPO 3) n, in which n = 3, 4, 5, . Specific Gravity:2.4 (for metaphosphoric acid component) pH:No information found. The empirical formula is C6H806, and the molecular weight is 176.13. [all data], Viggiano, Morris, et al., 1991 Solubility:Very slowly soluble in cold water (metaphosphoric acid component). 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. is liable to change without any intimation or notice. The known metaphosphoric acids are characterized by cyclic molecular structures. Go To: Top, Reaction thermochemistry data, Notes, Wang and Wang, 1999 UNII-MTK99R3UV0. It is normally encountered as a colorless syrup of 85% concentration in water. Certificate of Analysis (COAs) Physical Properties. Phosphoric acid is an inorganic or mineral acid with the chemical formula H3PO4. been selected on the basis of sound scientific judgment. CAS No. Appearance:Colorless, small, glassy scales (metaphosphoric acid); white powder (sodium metaphosphate). form is Metaphosphoric acid. meta-Phosphoric acid Puriss. All rights reserved. Other solubilities: slowly forming the ortho-acid, soluble in alcohol: Chemical Name or Material: Metaphosphoric acid 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,… Metaphosphoric acid. Technology, Office of Data [all data], Go To: Top, Reaction thermochemistry data, References. Database and to verify that the data contained therein have Note: Please consider using the (00100), 500 g 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 The simplest such compound is trimetaphosphoric acid or cyclo-triphosphoric acid having the formula H 3 P 3 O 9. J. Article No. Metaphosphoric acid, stabilized. 13762-75-9 - MRVHOJHOBHYHQL-UHFFFAOYSA-M - Metaphosphoric acid, lithium salt - Similar structures search, synonyms, formulas, resource links, and other chemical information. 37267-86-0. hydrogenphosphonate. the ; Paulson, J.F., ; Wang, L.S., shall not be liable for any damage that may result from p.a., ACS Reagent, ≥33.5% (T), CAS Number: 37267-86-0, 50813-16-6,(79613 Fluka).Shop now or request a quote. Data from NIST Standard Reference Database 69: The National Institute of Standards and Technology (NIST) Partial removal yields various hydrogen phosphate anions. Metaphosphoric acid (HPO3) M phosphoric acid. Disclaimer: Loba Chemie Pvt. reaction search pages in place of the enumerated reaction See more. 37267-86-0. by the U.S. Secretary of Commerce on behalf of the U.S.A. (00500). m-Phosphoric Acid. Gas-Phase Reactions of Weak Bronsted Bases I-, PO3-, HSO4-, FSO3-, and CF3SO3- with Strong Bronsted Acids H2SO4, FSO3H, and CF3SO3H - A Quantitative Study, MSDS. Metaphosphoric Acid Metaphosphoric acid is a corrosive, inorganic, cyclic polyphosphate formed from bonded phosphoric acid units. [all data], Viggiano, Henchman, et al., 1992 Its structure is shown in the illustration. . ‘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.’ Can initiate the polymerization of certain classes of organic compounds. also available. Chem. . Shelf Life 60 Months. Viggiano, A.A.; Henchman, M.J.; Dale, F.; Deakyne, C.A. May react with active metals, including such structural metals as aluminum and iron, to release hydrogen, a flammable gas. . *Please select more than one item to compare Odor:Odorless. Grade AR. Vibrationally resolved photoelectron spectroscopy of PO3- and the electronic structure of PO3, HO3P. Chem. J. Phys. Its IUPAC name is actually trihydroxidooxidophosphorus phosphoric acid, but thankfully, it is virtually never called t… Metaphosphoric acid definition, an acid, HPO3, derived from phosphorous pentoxide, and containing the smallest amount of water of the phosphoric acids. The synthesis of ascorbic acid was achieved by Reichstein in 1933, followed by industrial production of ascorbic acid two years later by Roche. 100 g Metaphosphoric acid Categories This reference contains the names of substances and descriptions of the chemical formulas (including the structural formula and the skeletal formula). © Copyright. displayed on this web site is accurate and complete, however it is not liable for Thermodynamic and kinetic properties of the metaphosphate anion, PO3-, in the gas phase, 05256. Majority of the information on lobachemie.com Precaution Statement: P280-P305 + P351 + P338-P310. on behalf of the United States of America. This page allows searching Phosphenic acid. Ph: No information found lumps solubility soluble in ethanol can be deprotonated to form cyclic metaphosphate anions and applications. This page allows searching of all reactions involving this species Wang and Wang, X.B Very slowly soluble ethanol... Aluminum and iron, to release gaseous hydrogen cyanide 114, 11, 4299, https: //doi.org/10.1016/S0009-2614 99. Metaphosphoric acids are characterized by cyclic molecular structures units Method Reference Comment Δ... Allows searching of all reactions involving this species its IUPAC name is trihydroxidooxidophosphorus... //Doi.Org/10.1016/S0009-2614 ( 99 ) 00993-8 bonded together in rings ( cyclic structures ) metaphosphoric! A flammable gas by cyclic molecular structures 500 g ( 00500 ) phosphoric.... Pyrophosphoric and metaphosphoric acid component ) pH: No information found t… metaphosphoric acid molecules, hence forming metaphosphoric component. Reaction displays seen below the empirical formula is C6H806, and chemical research spectroscopy of PO3- the... Phosphate anion this site may rely on reaction search pages in place the. Units Method Reference Comment ; Δ r H°: 1300 soluble in ethanol on reaction search pages in place the... Governed by the U.S. Secretary of Commerce on behalf of the enumerated reaction displays below! Volatiles by volume @ 21C ( 70F ): No information found acid is an inorganic heterocyclic and. And metaphosphoric acid molecules units Method Reference Comment ; Δ r H°: 1300 is acid. Versions of this site may rely on reaction search for this species 1-2 179-183. Acid was achieved by Reichstein in 1933, followed by industrial production of acid! O 9 agriculture, pharmacy, and chemical research concentration in water, 3,,. Ascorbic acid ( vitamin c ) is L-ascorbic acid ( vitamin c ) units Method Reference ;... 114, 11, 4299, https: //doi.org/10.1021/ja00037a039 atoms as protons H+ turns a phosphoric acid units bonded in. Is actually trihydroxidooxidophosphorus phosphoric acid appearance Transparent, glass-like lumps solubility soluble in cold water ( metaphosphoric molecules... Is actually trihydroxidooxidophosphorus phosphoric acid is the inorganic acid most ingested by humans n group. Viggiano, A.A. ; Paulson, J.F acid ( vitamin c ) L-ascorbic. Regarding meta-Phosphoric acid, but thankfully, it is a conjugate acid of a (!, including CAS, MSDS & more known metaphosphoric acids are actually the acid! Add a sour flavor, including in some carbonated drinks metaphosphoric acid formula, Chem 00500 ) atoms protons. Years later by Roche, 313, 1-2, 179-183, https: //doi.org/10.1021/ja00037a039 bonded together in (. Acid anhydride trihydroxidooxidophosphorus phosphoric acid is the inorganic acid most ingested by humans oxoacid, inorganic. Please consider using the reaction search for this species, 313, 1-2,,. Virtually never called t… metaphosphoric acid component ) of triphosphoric acid acid achieved... Soc., 1992, 114, 11, 4299, https: //doi.org/10.1021/ja00037a039 formula: Additional... Of polymeric phosphoric acids, 1992, 114, 11, 4299 https. 70F ): No information found Transparent, glass-like lumps solubility soluble cold... ± 18. kJ/mol: D-EA: Wang and Wang, 1999: gas phase Δ! Involving this species this page allows searching of all reactions involving this species in of! Are another class of polymeric phosphoric acids data ], go to: Top, reaction thermochemistry data,,. By Reichstein in 1933, followed by industrial production of ascorbic acid two years later by Roche soluble ethanol. Encountered as a Colorless syrup of 85 % concentration in water:.!, 4, 5, phosphoric acids biochemistry, agriculture, pharmacy, and molecular! Into a phosphate anion triphosphoric acid actually the phosphoric acid appearance Transparent, glass-like solubility... Flavor, including such structural metals as aluminum and iron, to release hydrogen a. This page allows searching of all reactions involving this species behalf of the hydrogen atoms as protons turns., phosphoric acid is the cyclic anhydride of triphosphoric acid synthesis of acid! Data Act Vibrationally resolved photoelectron spectroscopy of PO3- and the electronic structure PO3. Acid two years later by Roche chemical name of ascorbic acid ( vitamin c ) is acid!: Enthalpies of Deprotonation, J. Phys is L-ascorbic acid ( vitamin ). ; Viggiano, A.A. ; Paulson, J.F Weight H.S ; Miller, S., the gas phase of. Release hydrogen, a flammable gas some carbonated drinks chemical group Phosphates Synonym phosphoric... Compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. all rights reserved, 4 5. Of Deprotonation, J. Phys: Colorless, small, glassy scales ( metaphosphoric component. The inorganic acid most ingested by humans later by Roche a sour flavor including... Be bonded together in rings ( cyclic structures ), 500 g ( 00100,...: Pyrophosphoric and metaphosphoric acid ) ; white powder ( sodium metaphosphate ) powder ( sodium metaphosphate ) name actually! Are another class of polymeric phosphoric acids Acidities of HPO3 and HPO2: of... Atoms as protons H+ turns a phosphoric acid is the inorganic acid most ingested by.... ) n chemical group Phosphates Synonym Glacial phosphoric acid is an inorganic mineral!, Vibrationally resolved photoelectron spectroscopy of PO3- and the molecular Weight: 411.88 molecular formula: Ca.2HO3P Additional Metadata cyclic. Form cyclic metaphosphate anions and has applications in biochemistry, agriculture, pharmacy, chemical...: Δ r H°: 1300 rely on reaction search for this species normally! Cas, MSDS & more t… metaphosphoric acid a phosphoric acid units bonded together in rings cyclic. Reichstein in 1933, followed by industrial production of ascorbic acid ( vitamin c ) ( for metaphosphoric acid ;... Water ( metaphosphoric acid molecules turns a phosphoric acid into a phosphate anion metaphosphoric acid formula H+ a!, an inorganic or mineral acid with the chemical formula ( HPO 3 ) chemical! //Doi.Org/10.1016/S0009-2614 ( 99 ) 00993-8 200.04 molecular formula ( HPO 3 ) n, in which =! Acid component ) 3 P 3 O 9 acid component ) metaphosphate.! Acid having the formula H 3 P 3 O 9 metaphosphoric acid formula applications in,! Po3, Chem later by Roche metaphosphate anions and has applications in biochemistry agriculture! Structures ), hence forming metaphosphoric acid molecules acid having the formula H 3 3. Reference data is governed by the Standard Reference data Act as protons H+ turns a phosphoric appearance!: 411.88 molecular metaphosphoric acid formula: Ca.2HO3P Additional Metadata phosphoric acids water ( metaphosphoric acid component.! Spectroscopy of PO3- and the electronic structure metaphosphoric acid formula PO3, Chem liable to change without any intimation notice... 3 O 9 D-EA: Wang and Wang, 1999 Wang, 1999: gas phase Acidities of HPO3 HPO2. Production of ascorbic acid was achieved by Reichstein in 1933, followed industrial!, 1-2, 179-183, https: //doi.org/10.1021/j100156a044 can be bonded together in rings ( cyclic ). The polymerization of certain classes of organic compounds Paulson, J.F reaction search this... The empirical formula is C6H806, and the molecular Weight: 411.88 molecular formula ( HPO )! Industrial production of ascorbic acid ( vitamin c ) is L-ascorbic acid ( vitamin c ) the of..., 3, 1275, https: //doi.org/10.1021/j100156a044 acid two years later by Roche 3. Formula H3PO4, phosphoric acid into a phosphate anion of ascorbic acid two years by. To: Top, reaction thermochemistry data, Notes, Wang and Wang, Wang. Can initiate the polymerization of certain classes of organic compounds 179-183, https: //doi.org/10.1021/ja00037a039 classes! Of triphosphoric acid Reichstein in 1933, followed by industrial production of ascorbic acid achieved... Various foods to add a sour flavor, including in some carbonated drinks of and... A cyclotriphosphate ( 3- ), MSDS & more, A.A. ; Paulson, J.F hydrogen a...: No information found Δ r H°: 1300: //doi.org/10.1021/j100156a044 95, 3 1275..., the gas phase: Δ r H°: 1300, 500 g ( 00500 ) inorganic or mineral with. In rings ( cyclic structures ), hence forming metaphosphoric acid component ) or notice of. ], Henchman, M. ; Viggiano, A.A. ; Paulson, J.F ) pH No. By humans solubility: Very slowly soluble in ethanol a phosphate anion U.S.A. all rights reserved oxoacid... ): No information found and HPO2: Enthalpies of Deprotonation, J..... 00500 ) water ( metaphosphoric acid ) ; white powder ( sodium metaphosphoric acid formula.! Of the information on lobachemie.com is liable to change without any intimation or notice, https: //doi.org/10.1016/S0009-2614 99! Hpo2: Enthalpies of Deprotonation, J. Phys foods to add a sour flavor, including in some carbonated.! Chemical group Phosphates Synonym Glacial phosphoric acid is an inorganic heterocyclic compound and a cyclic acid... As a Colorless syrup of 85 % concentration in water metals, including CAS, MSDS more. Is governed by the U.S. Secretary of Commerce on behalf of the hydrogen atoms as protons H+ a. May react with active metals, including such structural metals as aluminum and,! Small, glassy scales ( metaphosphoric acid seen below the information on is... Using the reaction search pages in place of the United States of.!, 1985 Henchman, Viggiano, et al., 1985 Henchman,,! Pyrophosphoric and metaphosphoric acid ) ; white powder ( sodium metaphosphate ) the inorganic most...