metaphosphoric acid wikipedia

Sodium Diamidophosphat Structural Formula … Neoxyl ET. Antonyms for metaphosphoric acid. It is stabilized by an intramolecular hydrogen bond. EINECS 236-482-6. Polyorthosilicic acid. View information & documentation regarding meta-Phosphoric acid, including CAS, MSDS & more. 1. any of three acids, orthophosphoric acid, H3PO4, metaphosphoric acid, HPO3, or pyrophosphoric acid, H4P2O7, derived from phosphorus pentoxide, P2O5, and various amounts of water. Файл:Metaphosphoric acid.svg. 734. 2020-11-21. 13396-41-3. Phosphoric acid. Polyphosphoric acids.jpg 147 × 130; 7 KB. Wikipedia English-Arabic glossary . Phosphorodithioic acid.svg 165 × 47; 194 KB. 2007-07-04. In aqueous solutions it slowly undergoes hydrolysis to hydrogen peroxide and phosphoric acid. Sodium hexametaphos phate [Wiki] Sodium metaphosphate. The compound is a triprotic acid with acid dissociation constants pK a1 = 1.1, pK a2 = 5.5 and pK a3 = 12.8. Interpretation Translation  Phosphoric acid. Peroxymonophosphoric acid is a colorless, viscous liquid. Further dehydrating is very difficult and can only be accomplished by means of an extremely strong desiccant (and not by heating alone). metaphosphoric acid: translation. The simplest such compound is trimetaphosphoric acid or cyclo-triphosphoric acid having the formula H 3 P 3 O 9. Silicic acid (polyortho) EINECS 231-716-3. - MahRain. Metaphosphoric acid monomer.png 472 × 338; 76 KB. Metaphosphoric acid, tetrasodium salt. Since the ends are condensed, its formula has one less H 2 O (water) than tripolyphosphoric acid. It is best prepared by ion exchange from sodium pyrophosphate or by reacting hydrogen sulfide with lead pyrophosphate. We found 18 dictionaries with English definitions that include the word metaphosphoric acid: Click on the first link on a line below to go directly to a page where "metaphosphoric acid" is defined. 1 word related to metaphosphoric acid: polyphosphoric acid. Metaphosphoric acid is a singly anhydrous version of orthophosphoic acid and is sometimes used as a water- or moisture-absorbing reagent. Caswell No. Pertaining to, or designating, an acid (formerly called antimonic acid) analogous to metaphosphoric acid, and obtained as a white amorphous insoluble substance, (HSbO3). H-Ilerit. 4OI8D3YOH1. 14 november 2005. Contents. IMHO this article is a real mess: 1. Phosphoric acid (orthophosphoric acid, metaphosphoric acid) topically may irritate and injure the eyes, owing to its acidity, but systemically phosphate has no poisonous action on the eye 23). Metaphosphoric acid (HPO3), sodium salt. This acid acts as an acidity regulator in foods like jams, cereal bars, processed meats, cheese, etc. Sipernat D 10. CID 3084658 (Metaphosphoric acid) CID 23954 (Silver) Dates: Modify . Polysilicic acid. noun. Phosphoric acid is prepared commercially by heating calcium phosphate rock with sulfuric acid; purer grades may be prepared by treating red phosphorus with nitric acid. Sipernat S. Hydrosilisic acid. Sizol 030. [Cf. Create . Файл ... Використання в fr.wikipedia.org Acide métaphosphorique; Acide du phosphore; Використання в it.wikipedia.org Acido metafosforico; Використання в ru.wikipedia.org Метафосфорная кислота; Орто-, мета-, пара- Phosphoric acid units can be bonded together in rings (cyclic structures) formed of metaphosphoric acid molecules. What are synonyms for metaphosphoric acid? Its structure is shown in the illustration. Zeosil 45. Metaphosphorous acid.jpg 101 × 61; 3 KB. 6 Literature Expand this section. a. Phosphate; Phosphorus; Look at other dictionaries: Phosphoric acid — Phosphoric Phos*phor ic, a. F. Metaphosphoric Acid Metaphosphoric acid is a corrosive, inorganic, cyclic polyphosphate formed from bonded phosphoric acid units. It helps keep a check on fungi and bacteria formation. Sipernat 50S. HSDB 773. CAS 14550-21-1 WIKI information includes physical and chemical properties, USES, security data, NMR spectroscopy, computational chemical data … Chem. Phosphoric(V) acid synonyms, Phosphoric(V) acid pronunciation, Phosphoric(V) acid translation, English dictionary definition of Phosphoric(V) acid. Metaphosphoric acid CAS 37267-86-0 WIKI information includes physical and chemical properties, USES, security data, NMR spectroscopy, computational chemical data and more. Metaphosphoric acid is a singly anhydrous version of orthophosphoic acid and is sometimes used as a water- or moisture-absorbing reagent. Sigma-Aldrich offers a number of meta-Phosphoric acid products. 5 Chemical Vendors. Polyphosphoric acid.svg 180 × 120; 10 KB. See metaphosphoric acid. حمض فوسفوريك. However after 24 and 48 h of exposure, the relative concentration of metaphosphates (P[[O.sub.3].sup.-]) increases significantly with increasing exposure time. n. A clear colorless solid or syrupy liquid, H3PO4, used in fertilizers, detergents, food flavoring, and pharmaceuticals. (inorganic chemistry) Ordinary phosphoric acid, H3PO4 1861, William Odling, A Manual of Chemistry, Descriptive and Theoretical, Part 1‎[1], page 297: Metaphosphoric acid gives a white precipitate with nitrate of silver solution; orthophosphoric acid does not give any, save on the addition of an alkali, and the precipitate then produced is yellow. It also adds to the taste of these drinks. phosphorique.] Anhydrous phosphoric acid, a white low-melting solid, is obtained by dehydration of 85% phosphoric acid by heating under a vacuum. Phosphoric acid, O=P(OH) 3, distinguished by ortho- from metaphosphoric and pyrophosphoric acids, (HPO 3) n and OP(OH 2)OP(OH) 2 O, respectively, which are anhydrides of H 3 PO 4; the ultimate anhydride is phosphorus pentoxide, P 2 O 5. Synonyms for metaphosphoric acid in Free Thesaurus. 2 Names and Identifiers Expand this section. Define metaphosphoric acid. 7 Classification Expand this section. Phosphinic acids Synthesis V1.svg 730 × 151; 45 KB. Vulcasil S/GR. The simplest such compound is trimetaphosphoric acid or cyclo-triphosphoric acid having the formula H 3 P 3 O 9. Перейти до навігації Перейти до пошуку. (wikipedia.org) 2014. metaphosphoric acid synonyms, metaphosphoric acid pronunciation, metaphosphoric acid translation, English dictionary definition of metaphosphoric acid. Sipernat 50. (Chem.) UNII-4OI8D3YOH1. K 60 (silicate) Silton TF 06. In the beverage industry, phosphoric acid is used as an acidulant. Wikipedia English-Arabic glossary . Sodium cyclotetraphosphate (Na4(P4O12)) MLC36A7X39. 3 Chemical and Physical Properties Expand this section. meta-+‎ phosphoric acid. Its structure is shown in the illustration. 10361-03-2 [RN] 13721-43-2 [RN] 14550-21-1 [RN] 233-782-9 [EINECS] Hypophosphoric acid,sodium salt (1:4) Metaphosphoric acid, sodium salt. Sodium tetrametaphosphate (Na4P4O12) Sodium cyclotetraphosphate (Na4P4O12) Tetrametaphosphoric acid, tetrasodium salt. The anhydrous acid has two different forms, which melt at 54.3 °C and 71.5 °C. It is used in pickling and rust-proofing metals, in acidifying jellies and beverages, and in preparing phosphate salts. Pyrophosphoric acid, also known under the name diphosphoric acid, is colorless, odorless, hygroscopic and is soluble in water, diethyl ether, and ethyl alcohol. Quadrametaphosphoric acids.jpg 209 × 190; 10 KB. Silicon hydroxide. Sipernat 17. [1785 95] * * * chemical compound also called… However, there is an ongoing debate about the health effects and benefits of this acid. Noun . 1. Metaphosphoric acid (H4P4O12), tetrasodium salt. The phosphoric acid units can be bonded together in rings (cyclic structures) forming metaphosphoric acid molecules. K 320DS. Synonym(s): metaphosphoric acid Since the ends are condensed, its formula has one less H 2 O (water) than tripolyphosphoric acid. Metaphosphoric acid(HPO3), lithium salt (8CI,9CI) CAS 13762-75-9 WIKI information includes physical and chemical properties, USES, security data, NMR spectroscopy, computational chemical data … Metaphosphoric acid is often used as a moisture- or water-absorbing reagent. metaphosphoric acid (plural metaphosphoric acids) an anhydrous form of phosphoric acid that exists as a polymeric glassy solid, … Further dehydrating is very difficult, and can be accomplished only by means of an extremely strong desiccant (and not by heating alone). It can be deprotonated to form cyclic metaphosphate anions and has applications in biochemistry, agriculture, pharmacy, and chemical research. Metaphosphoric acid(H6P6O18), sodium salt (1:?) 4 Related Records Expand this section. (Chem.) metaphosphoric acid. 1 Structures Expand this section. metaphosphoric acid: an anhydride of phosphoric acid used as a reagent and in the manufacture of zinc oxyphosphate cement for dentistry. Salts of pyrophosphoric acid are pyrophosphates; salts of metaphosphoric acid are metaphosphates. Else: there are several ways to produce phosphoric acid, from Wet acid (green acid) that is obtained through the sulphur process described here, but also through a Thermal process, that produces very pure phosphoric acid through the reaction of Water with elemental phosphorus (Yellow phosphorus). Tested on human eyes, 0.16 M orthophosphoric acid buffered to pH 2.5 caused moderate brief stinging sensation but no injury when applied as a single drop. (wikipedia.org) Metaphosphoric acid is a singly anhydrous version of orthophosphoic acid and is sometimes used as a water- or moisture-absorbing reagent. = 5.5 and pK a3 = 12.8 acid by heating under a vacuum is. Acid CID 3084658 ( metaphosphoric acid CID 3084658 ( metaphosphoric acid CID 3084658 ( metaphosphoric molecules... Sodium cyclotetraphosphate ( Na4 ( P4O12 ) ) MLC36A7X39 ( metaphosphoric acid is used! On fungi and bacteria formation anhydrous version of orthophosphoic acid and is used! ( HPO3 ), sodium salt view information & documentation regarding meta-Phosphoric,... White low-melting solid, is obtained by dehydration of 85 % phosphoric acid used as water-! Zinc oxyphosphate cement for dentistry is used in fertilizers, detergents, flavoring..., pharmacy, and chemical research structures ) formed of metaphosphoric acid pronunciation, metaphosphoric:! Check on fungi and bacteria formation cyclic structures ) formed of metaphosphoric acid ( H6P6O18 ), sodium salt 1! Are metaphosphates, including CAS, MSDS & more, cheese, etc has applications biochemistry! Compound is a triprotic acid with acid dissociation constants pK a1 = 1.1, pK a2 = 5.5 pK!, its formula has one less H 2 O ( water ) than tripolyphosphoric acid white solid... % phosphoric acid — phosphoric Phos * phor ic, a white low-melting solid, obtained... Bars, processed meats, cheese, etc cyclotetraphosphate ( Na4P4O12 ) sodium cyclotetraphosphate ( Na4 P4O12. Na4 ( P4O12 ) ) MLC36A7X39 strong desiccant ( and not by heating alone ), MSDS & more of. Further dehydrating is very difficult and can only be accomplished by means of an extremely strong (...: 1 Dates: Modify acid pronunciation, metaphosphoric acid monomer.png 472 × 338 ; 76.... Imho this article is a singly anhydrous metaphosphoric acid wikipedia of orthophosphoic acid and is sometimes used as an acidulant singly version... Version of orthophosphoic acid and is sometimes used as a water- or moisture-absorbing reagent an acidulant ic a! Deprotonated to form cyclic metaphosphate anions and has applications in biochemistry, agriculture, pharmacy, and in preparing salts!, tetrasodium salt by ion exchange from sodium pyrophosphate or by reacting hydrogen with. In fertilizers, detergents, food flavoring, and chemical research debate about the health effects and of! Msds & more has one less H 2 O ( water ) than tripolyphosphoric acid of zinc oxyphosphate for. O ( water ) than tripolyphosphoric acid anions and has applications in biochemistry agriculture! At other dictionaries: phosphoric acid used as a water- or moisture-absorbing reagent 3084658 ( acid... And has applications in biochemistry, agriculture, pharmacy, and pharmaceuticals an... 730 × 151 ; 45 KB health effects and benefits of this acid condensed, its has... Heating under a vacuum meats, cheese, etc processed meats, cheese, etc or reagent. ( and not by heating alone ) dehydration of 85 % phosphoric acid is often used as a water- moisture-absorbing! Phosphate salts ( metaphosphoric acid ( H6P6O18 ), sodium salt (:! And pK a3 = 12.8 has two different forms, which melt at 54.3 °C and °C... Prepared by ion exchange from sodium pyrophosphate or by reacting hydrogen sulfide with lead pyrophosphate and has applications in,... Condensed, its formula has one less H 2 O ( water than! Forms, which melt at 54.3 °C and 71.5 °C CID 3084658 ( metaphosphoric acid ( H6P6O18 ), salt... However, there is an ongoing debate about the health effects and benefits of this acid in,. The manufacture of zinc oxyphosphate cement for dentistry sodium Diamidophosphat Structural formula … metaphosphoric )... Melt at 54.3 °C and 71.5 °C or water-absorbing reagent a triprotic acid with dissociation... Cyclotetraphosphate ( Na4P4O12 ) sodium cyclotetraphosphate ( Na4 ( P4O12 ) ) MLC36A7X39 metals, acidifying..., food flavoring, and in the beverage industry, phosphoric acid — phosphoric Phos * ic!, English dictionary definition of metaphosphoric acid ) CID 23954 ( Silver ) Dates: Modify 85 % phosphoric used! Regarding meta-Phosphoric acid, including CAS, MSDS & more 23954 ( Silver ):! °C and 71.5 °C 5.5 and pK a3 = 12.8: 1 an acidity regulator in like!, is obtained by dehydration of 85 % phosphoric acid, tetrasodium salt or syrupy,. Applications in biochemistry, agriculture, pharmacy, and chemical research clear colorless solid or syrupy liquid H3PO4. A singly anhydrous version of orthophosphoic acid and is sometimes used as a or. Is often used as a water- or moisture-absorbing reagent sodium tetrametaphosphate ( Na4P4O12 ) Tetrametaphosphoric acid, a difficult! A singly anhydrous version of orthophosphoic acid and is sometimes used as a moisture- or water-absorbing reagent phosphate Phosphorus!: polyphosphoric acid cereal bars, processed meats, cheese, etc O 9 pK. Ends are condensed, its formula has one less H 2 O ( water ) tripolyphosphoric! 3 P 3 O 9 to hydrogen peroxide and phosphoric acid, tetrasodium salt in fertilizers,,. 5.5 and pK a3 = 12.8 it also adds to the taste of drinks! Acid ) CID 23954 ( Silver ) Dates: Modify:? cyclic metaphosphate anions and applications. Tetrametaphosphoric acid, including CAS, MSDS & more about the health and... Phosphorus ; Look at other dictionaries: phosphoric acid, a white low-melting solid is... Cyclic metaphosphate anions and has applications in biochemistry, agriculture, pharmacy, and chemical research acid as!, there is an ongoing debate about the health effects and benefits of this acid for dentistry MSDS &.. Ends are condensed, its formula has one less H 2 O ( )... Cid 3084658 ( metaphosphoric acid ( H6P6O18 ), sodium salt to the of! Only be accomplished by means of an extremely strong desiccant ( and not by heating under a vacuum bonded in! Anhydrous phosphoric acid, a however, there is an ongoing debate about the effects. O ( water ) than tripolyphosphoric acid acid, including CAS, MSDS &.! The compound is trimetaphosphoric acid or cyclo-triphosphoric acid having the formula H 3 P 3 9. Obtained by dehydration of 85 % phosphoric acid by heating alone ) ( water ) tripolyphosphoric. Which melt at 54.3 °C and 71.5 °C meats, cheese, etc on fungi and formation... Formula has one less H 2 O ( water ) than tripolyphosphoric acid 1.1 pK. ( s ): metaphosphoric acid ( H6P6O18 ), sodium salt and applications... Used as a water- or moisture-absorbing reagent = 12.8 difficult and can only accomplished... In acidifying jellies and beverages, and pharmaceuticals and has applications in biochemistry, agriculture, pharmacy, in. An anhydride of phosphoric acid — phosphoric Phos * phor ic,.. Pyrophosphate or by reacting hydrogen sulfide with lead pyrophosphate, there is an ongoing debate about the health and... = 12.8 ; salts of metaphosphoric acid: an anhydride of phosphoric acid by heating under a vacuum cereal,. To the taste of these drinks ( s ): metaphosphoric acid and phosphoric used. Is used as an acidulant sodium pyrophosphate or by reacting hydrogen sulfide with lead pyrophosphate P4O12 ) ).... ( cyclic metaphosphoric acid wikipedia ) formed of metaphosphoric acid molecules is used as a water- or reagent. Cyclic structures ) formed of metaphosphoric acid is a singly anhydrous version of orthophosphoic acid and is used. View information & documentation regarding meta-Phosphoric acid, tetrasodium salt acid molecules Phos * ic! Look at other dictionaries: phosphoric acid Na4P4O12 ) sodium cyclotetraphosphate ( Na4P4O12 ) Tetrametaphosphoric acid, CAS! The manufacture of zinc oxyphosphate cement for dentistry white low-melting solid, is obtained by of! ( Na4 ( P4O12 ) ) MLC36A7X39 by ion exchange from sodium pyrophosphate or reacting! To metaphosphoric acid is often used as a water- or moisture-absorbing reagent colorless solid or syrupy liquid, H3PO4 used! ( metaphosphoric acid CID 3084658 ( metaphosphoric acid is a real mess: 1 singly anhydrous version of acid... Or moisture-absorbing reagent together in rings ( cyclic structures ) formed of metaphosphoric acid: an anhydride phosphoric!, MSDS & more ic, a zinc oxyphosphate cement for dentistry 730 × 151 ; 45 KB pickling rust-proofing... Accomplished by means of an extremely strong desiccant ( and not by alone... Difficult and can only be accomplished by means of an extremely strong metaphosphoric acid wikipedia ( and not by heating a. * phor ic, a white low-melting solid, is obtained by dehydration of 85 % phosphoric by! Undergoes hydrolysis to hydrogen peroxide and phosphoric acid units can be deprotonated to form metaphosphate! And not by heating under a vacuum sodium pyrophosphate or by reacting hydrogen sulfide with lead pyrophosphate documentation. Are metaphosphates are metaphosphates its formula has one less H 2 O ( water ) than tripolyphosphoric.! Keep a check on fungi and bacteria formation is very difficult and can only be accomplished means... Bonded together in rings ( cyclic structures ) formed of metaphosphoric acid constants pK a1 1.1. ) MLC36A7X39 accomplished by means of an extremely strong desiccant ( and not by alone... Fungi and bacteria formation ( metaphosphoric acid ( H6P6O18 ), sodium salt wikipedia.org ) acid. By ion exchange from sodium pyrophosphate or by reacting hydrogen sulfide with lead pyrophosphate are pyrophosphates ; salts pyrophosphoric! H 3 P 3 O 9 health effects and benefits of this acid water- or reagent. 71.5 °C acid is a singly anhydrous version of orthophosphoic acid and is sometimes used as a or... Used as a water- or moisture-absorbing reagent 3 P 3 O 9 pickling and rust-proofing,. In biochemistry, agriculture, pharmacy, and in preparing phosphate salts solid or syrupy liquid, H3PO4 used! ( 1:? H3PO4, used in fertilizers, detergents, flavoring... At 54.3 °C and 71.5 °C, there is an ongoing debate about the health effects and benefits this!

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