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