pyrophosphoric acid formula

This website uses cookies to ensure you get the best experience on our websites. Customer Service. ECHA organises consultations to get feedback from all interested parties and to gather the widest possible range of scientific information for the regulatory processes. B. Pyrophosphoric acid, H 4 P 2 O 7. Visit ChemicalBook To find more perphosphoric acid() information like chemical properties,Structure,melting point,boiling point,density,molecular formula,molecular weight, physical properties,toxicity information,customs codes. Pyrophosphoric Acid is a medium-strong inorganic hygroscopic by nature and is a colourless as well as odourless chemical. Molecular Formula H 4 O 7 P 2; Average mass 177.975 Da; Monoisotopic mass 177.943222 Da; ChemSpider ID 996; More details: Systematic name. What are synonyms for pyrophosphoric acid? The IUPAC name of Pyrophosphoric acid is phosphono dihydrogen phosphate. Please upgrade your Internet Explorer to a newer version. ECHA maintains the C&L Inventory, but does not review or verify the accuracy of the information. Substances listed in the EINECS, ELINCS, or NLP inventories. More information about Classification and Labelling is available in the Regulations section of ECHA website. Formula H4O7P2: Net Charge ... A Br o nsted acid derived from one or more inorganic compounds. Dip for 5–10 min in an aqueous solution containing 2 wt. Such notifications are required for hazardous substances, mixtures, or articles, manufactured or imported at over 1 kg per annum. The purpose of the information provided under this section is to highlight the substance hazardousness in a readable format. Site Use Terms This section is based on three sources for information (harmonised classification and labelling (CLH), REACH registrations and CLP notifications). What is the meaning of pyrophosphoric acid? Pyrophosphoric acid, also known as diphosphoric acid, is the inorganic compound with the formula H₄P₂O₇ or, more descriptively, [(HO)₂P]₂O. InfoCards are updated when new information is available. Formula: NH 2 C 6 H 4 COOH aminobenzoic acid sorbic acid tartaric acid Which acid am I? The InfoCard summarises the non-confidential data of a substance held in the databases of the European Chemicals Agency (ECHA). Synonyms. Physical Properties . 4. You can also browse global suppliers,vendor,prices,Price,manufacturers of perphosphoric acid(). Your result gives the empirical formula of pyrophosphoric acid. Inorganic acids (also known as mineral acids) form hydrons and conjugate base ions when dissolved in water. in case of consumer and professional uses). Biochemical characterization of HIV-1 reverse transcriptases encoding mutations at amino acid residues 161 and 208 involved in resistance to phosphonoformate. More information about CAS and the CAS registry can be found here. III. Please note that it may take a week or two to have everything fully in place, and please be aware in the meantime that the Registration status may be incorrect and the CLP regulatory context may be incompletely shown. Related Pages. Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = -2.71 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 … Pyrophosphoric Acid. Formula H4O7P2: Net Charge ... A Br o nsted acid derived from one or more inorganic compounds. Substances may have impurities and additives that lead to different classifications. ... Pyrophosphoric Acid [Wiki] More... Validated by Experts, Validated … As manufacturer and supplier of phosphoric acids, phosphates and polyphosphates, we can supply high quality phosphoric acids such as phosphoric acid,phosphorous acid,pyrophosphoric acid,and polyphosphoric acid. Pyrophosphoric acid, tetraethyl ester. Colorless and odorless, it is soluble in water, diethyl ether, and ethyl alcohol. What is the meaning of pyrophosphoric acid? ... Pyrophosphoric acid EC Number: 219-574-0 EC Name: Pyrophosphoric acid CAS Number: 2466-09-3 Molecular formula: H4O7P2 IUPAC Name: diphosphoric acid. It is also used in dental cements, in the preparation of albumin derivatives, and in the sugar and textile industries. Pyrophosphoric Acid has been shown to enhance the rate of pyrophosphate hydrolysis by nonenzymatic catlysis and by inorganic pyrophoshatase. *Please select more than one item to compare, 8 Pyrophosphoric acid is composed of 2.27% hydrogen, 34.80% phosphorus with the remainder oxygen. Hydrophosphoric Acid H3P Molar Mass, Molecular Weight. Similarly, pyrophosphoric acid (H4P2O7) contains 79.8% P2O5 as calculated from the ratio P2O5/H4P2O7. Type in Product Names, Product Numbers, or CAS Numbers to see suggestions. noun Chemistry. This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance): Also referred to as the Plastics Implementation Measure (PIM), this Regulation provides the Union List of monomers and other substances authorized in the manufacture of food contact plastics. Pyrophosphoric acid, also known under the name diphosphoric acid, is colorless, odorless, hygroscopic and is soluble in water, diethyl ether, and ethyl alcohol.The anhydrous acid has two different forms, which melt at 54.3°C and 71.5°C. The Waste Framework Directive aims to protect the environment and human health from the generation and management of waste and to improve efficient use of resources. Pyrophosphoric acid is composed of 2.27% hydrogen and 34.80% phosphorous. The acid itself is positively charged with a hydrogen ion, or more specifically, an atom consisting of a single proton. The EC Number is the numerical identifier for substances in the EC Inventory. Partial removal yields various hydrogen phosphate anions. What is the definition of pyrophosphoric acid? What are synonyms for pyrophosphoric acid? 2466-09-3 - XPPKVPWEQAFLFU-UHFFFAOYSA-N - Pyrophosphoric acid - Similar structures search, synonyms, formulas, resource links, and other chemical information. Related Pages. It is best prepared by ion exchange from sodium pyrophosphate or by reacting hydrogen sulfide with lead pyrophosphate. It is possible that a harmonisation is introduced through an amendment to the CLP Regulation. At last,perphosphoric acid() … Bis-O,O-diethylphosphoric anhydride Bladan Diphosphoric acid tetraethyl ester EA 1285 ENT 18,771 Ethyl pyrophosphate, tetra-Fosvex Grisol … ... A glassy solid obtained by heating phosphoric acid. Hypophosphoric acid is a mineral acid with the formula H4P2O6, with phosphorus in a formal oxidation state of +4. If a substance is classified under multiple CLH entries, a link to the C&L Inventory is provided to allow users to view CLH information associated with the substance and no text is automatically generated for the InfoCard. 1998 Dec 15 9973178 What is the Classification and Labelling Inventory? 2466-09-3 - XPPKVPWEQAFLFU-UHFFFAOYSA-N - Pyrophosphoric acid - Similar structures search, synonyms, formulas, resource links, and other chemical information. Bis-O,O-diethylphosphoric anhydride Bladan Diphosphoric acid tetraethyl ester EA 1285 ENT 18,771 Ethyl pyrophosphate, tetra-Fosvex Grisol … Compare Products: Select up to 4 products. Biochemical characterization of HIV-1 reverse transcriptases encoding mutations at amino acid residues 161 and 208 involved in resistance to phosphonoformate. The CAS number is the substance numerical identifier assigned by the Chemical Abstracts Service, a division of the American Chemical Society, to substances registered in the CAS registry database. The quality and correctness of the information submitted to ECHA remains the responsibility of the data submitter. Please be aware there may be intermittent unavailability while work in ongoing. If it exists it would be extremely unstable; perhaps it is a … The compound is not particularly useful, except that it is a component of polyphosphoric acid and the conjugate acid of the pyrophosphate anion. acid to 523 K - 533 K. 2H 3 PO 4 ® H 4 P 2 O 7 + H 2 O . InfoCards are generated automatically based on the data available at the time of generation. Predicted data is generated using the US Environmental Protection Agency’s EPISuite™. The ‘Hazard classification’ and labelling section uses the signal word, pictogram(s) and hazard statements of the substance under the harmonised classification and labelling (CLH) as its primary source of information. ... Pyrophosphoric Acid [Wiki] More... Validated by Experts, Validated … H _____ P _____ O _____ d) The molar mass of pyrophosphoric acid is 177.97 g/mol. Sodium diphosphate tetrabasic, Biopharmaceutical Process Development and Manufacturing. Molecular formula: H3O4P IUPAC Name: phosphoric acid. 215–540–4, is covered by three harmonisations: 005–011–00–4; 005–011–01–1 and 005–011–02–9), CLH information cannot be displayed in the InfoCard as the difference between the CLH classifications requires manual interpretation or verification. Danger! Preparation: Pyrophosphoric acid is prepared by heating orthophosphoric . BPR regulation aims to improve the functioning of the biocidal products market in the EU, while ensuring a high level of protection for humans and the environment. With the CAS registry number 2466-09-3, it is also named as Diphosphoric acid. Reference substance name: Triphosphoric acid What is its molecular formula? The Prior Informed Consent Regulation administers the import and export of certain hazardous chemicals and places obligations on companies who wish to export these chemicals to non-EU countries. . Pyrophosphoric acid is colorless, odorless, hygroscopic, syrupy liquid or crystal form. disodium tetraborate EC no. Pyrophosphoric acid definition: a crystalline soluble solid acid formed by the reaction between one molecule of... | Meaning, pronunciation, translations and examples If available, additional information on classification and labelling (C&L) is derived from REACH registration dossiers submitted by industry. Other relevant information includes the following: To see the full list of notified classifications and to get more information on impurities and additives relevant to classification please consult the C&L Inventory. 31P Nuclear Magnetic Resonance (NMR) Chemical Shifts of PYROPHOSPHORIC ACID with properties. A substance identified primarily by an EC or list number may be linked with more than one CAS number, or with CAS numbers that have been deleted. Computed by OEChem 2.1.5 (PubChem release 2019.06.18) 2.2 Molecular Formula H4O7P2 Computed by PubChem 2.1 (PubChem release 2019.06.18) Close Find out more on how we use cookies. Rinse in water to remove the acid, brush very lightly with a soft bristle brush to remove any loose film, and rinse again. Some substance identifiers may have been claimed confidential, or may not have been provided, and therefore not be displayed. This site is not fully supported in Internet Explorer 7 (and earlier versions). b) Determine the number of moles of each element in the 100.0 gram sample. Pyrophosphoric acid tetrabenzyl ester, It is white to very pale yellow glassy solid which is soluble in water, diethyl ether, and ethyl alcohol. Physical Properties . Visit ChemicalBook To find more perphosphoric acid() information like chemical properties,Structure,melting point,boiling point,density,molecular formula,molecular weight, physical properties,toxicity information,customs codes. What is the definition of pyrophosphoric acid? Pyrophosphoric acid has been shown to enhance the rate of pyrophosphate hydrolysis by nonenzymatic catlysis and by inorganic pyrophoshatase. How do you use pyrophosphoric acid in a sentence? When information is available in all sources, the first two are displayed as a priority. Pyrophosphoric acid, also known as diphosphoric acid, is the inorganic compound with the formula H4P2O7 or, more descriptively, [(HO)2P(O)]2O. III. The product obtained is viscous and hygroscopic. Preparation: Pyrophosphoric acid is prepared by heating orthophosphoric . Phosphoric acid commonly indicates the monomeric form orthophosphoric acid. Colorless and odorless, it is soluble in water, diethyl ether, and ethyl alcohol. 100g; Poly bottle. Polyphosphoric acid is a polymer according to REACh ((CE) N°1907/2006, Article 3). Pyrophosphoric Acid. C 8 H 2 0 O 7 P 2. If the substance is covered by more than one CLH entry (e.g. © 2020  Merck KGaA, Darmstadt, Germany and/or its affiliates. The anhydrous acid crystallizes in two polymorphs, which melt at 54.3 °C and 71.5 °C. Pyrophosphoric acid tris(tetrabutylammonium) salt, Pyrophosphoric acid is composed of 2.27% hydrogen and 34.80% phosphorous. The type of uses and classifications may vary between different submissions to ECHA and for a full understanding it is recommended to consult the source data. Diphosphoric acid, Synonym: The product's category is API Intermediates. Synonym: Pyrophosphoric acid tetrabenzyl ester, Tetrabenzyl diphosphate Linear Formula: (C 6 H 5 CH 2 O) 2 P(O)OP(O)(OCH 2 C 6 H 5 ) 2 Molecular Weight: 538.47 Pyrophosphoric acid, tetraethyl ester. Pyrophosphoric acid, also known as diphosphoric acid, is a colorless, odorless, hygroscopic chemical, which is soluble in water, diethyl ether, and ethyl alcohol.The anhydrous acid has two different forms, which melt at 54.3 °C and 71.5 °C. Cocarboxylase chloride, Synonym: RTECS # UX6825000 ... 290.22 Molecular Formula. Phosphoric acid, also called orthophosphoric acid, (H 3 PO 4), the most important oxygen acid of phosphorus, used to make phosphate salts for fertilizers. Diphosphoric acid. Harmonised classification and labelling is a legally binding classification and labelling for a substance, agreed at European Community level. Tetraethyl pyrophosphate, Empirical Formula (Hill Notation): C8H20O7P2. EU. The date of the last update corresponds to the publication date of the InfoCard and not necessarily to the date in which the update occurred in the source data. Compound PYROPHOSPHORIC ACID with free spectra: 1 NMR and 2 Raman. One hundred percent phosphoric acid contains 72.4% P2O5 as calculated from the formula weight ratio P2O5/H3PO4. H 4 P 2 O 7 4) Determine the mole mass of the empirical formula for pyrophosphoric acid. n. A glacial or syrupy viscous liquid, H4P2O7, used as a catalyst and in organic chemical manufacture. Reproduction of any materials from the site is strictly forbidden without permission. Information on applicable regulatory frameworks is also automatically generated and may not be complete or up to date. At last,perphosphoric acid() … These notifications can be provided by manufacturers, importers and downstream users. The product's category is API Intermediates. Contact The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. acid to 523 K - 533 K. 2H 3 PO 4 ® H 4 P 2 O 7 + H 2 O . Sorry we cannot compare more than 4 products at a time. It covers their hazardous properties, classification and labelling, and information on how to use them safely. | Privacy. Pyrophosphates are salts of pyrophosphoric acid and metaphosphates are salts of metaphosphoric acid. The molecular structure is based on structures generated from information available in ECHA’s databases. If at least one company has indicated that the substance classification is affected by impurities or additives, this will be indicated by an informative sentence. H3PO5 . Constituent 3. Here you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. It is best prepared by ion exchange from sodium pyrophosphate or by reacting hydrogen sulfide with lead pyrophosphate. Pyrophosphoric acid, 1 chemBlink provides information about CAS # 2466-09-3, Pyrophosphoric acid, Diphosphoric acid, molecular formula: H4P2O7. The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. A distinction is made between pyrophosphoric acid with a concentration of 102% to 109% and polyphosphoric acid with a concentration of 110% to 118%. This is the empirical formula for pyrophosphoric acid. The remainder is oxygen. This information is only displayed if the substance is well–defined, its identity is not claimed confidential and there is sufficient information available in ECHA’s databases for ECHA’s algorithms to generate a molecular structure. Constituent 3. Phosphine; Trihydrogen Phosphide . The CLP Regulation ensures that the hazards presented by chemicals are clearly communicated to workers and consumers in the European Union through classification and labelling of chemicals. % chromic acid (CrO 3) plus 5 vol. Anions, salts, and esters of pyrophosphoric acid are called pyrophosphates. One of the P-OH linkages of phosphoric acid is replaced with P-OOH (an extra oxygen is inserted). H = 2.248 ÷ 1.124 = 2 4 P = 1.124 ÷ 1.124 = 1 2 O = 3.934 ÷ 1.124 = 3.5 7 Acids usually have the H written first and the O last. Tetrabutylammonium pyrophosphate (3:1), Linear Formula: [(CH3CH2CH2CH2)4N+]3[O=P(O-)2OP(=O)(O-)OH], Synonym: Pyrophosphoric acid, also known under the name diphosphoric acid, is colorless, odorless, hygroscopic and is soluble in water, diethyl ether, and ethyl alcohol.The anhydrous acid has two different forms, which melt at 54.3°C and 71.5°C. B. Pyrophosphoric acid, H 4 P 2 O 7. Melting point 61 ℃. Harmonisation is based on the substance’s physical, toxicological and eco-toxicological hazard assessment. Class 12: Chemistry: The P-block Elements-I: Pyrophosphoric and Metaphosphoric Acid. A distinction is made between pyrophosphoric acid with a concentration of 102% to 109% and polyphosphoric acid with a concentration of 110% to 118%. 1998 Dec 15 9973178 Phosphine; Trihydrogen Phosphide REACH registration dossiers have greater data requirements (such as supporting studies) than do notifications under CLP. Inorganic acids (also known as mineral acids) form hydrons and conjugate base ions when dissolved in water. It is a … This can be found by dividing the number of moles of each element by the number of moles of the element with the smallest number of moles. Pyrophosphoric Acid is used in anion binding of inorganic phosphates due to its ability to form complexes. 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Reference substance name: Triphosphoric acid Acid Name Formula; Acetic Acid: CH3COOH: Acetylsalicylic Acid: HC9H7O4: Ascorbic Acid: … Likewise the per substance indication of harmonised C&L, Seveso directive, or notified C&L regulatory context will be made available as soon as possible. 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Pyrophosphoric acid EC Number: 219-574-0 EC Name: Pyrophosphoric acid CAS Number: 2466-09-3 Molecular formula: H4O7P2 IUPAC Name: diphosphoric acid. With the CAS registry number 2466-09-3, it is also named as Diphosphoric acid. Shop a large selection of products and learn more about Pyrophosphoric Acid, 90% (T), Honeywell Fluka. REACH regulation aims to improve the protection of human health and the environment from the risks that can be posed by chemicals. The EC or list number is the primary substance identifier used by ECHA. Product Result, Synonym: This information has not been reviewed or verified by ECHA, and may change without prior notice. The REACH registered substance data and the C&L Inventory portal will be upgraded from the 9th November. Pyrophosphoric acid, also known as diphosphoric acid, is the inorganic compound with the formula H₄P₂O₇ or, more descriptively, [(HO)₂P]₂O. Pyrophosphoric acid can be used for the preparation of vanadyl pyrophosphato methoxide cluster anion. Compound PYROPHOSPHORIC ACID with free spectra: 1 NMR and 2 Raman. The per substance REACH registration status will be made available as soon as possible thereafter. The POPs Regulation bans or severely restricts the production and use of persistent organic pollutants in the European Union. Sigma-Aldrich Products are sold exclusively through Sigma-Aldrich, Inc. O,O,O′,O′-Tetraethyl dithiopyrophosphate, Empirical Formula (Hill Notation): C8H20O5P2S2, Synonym: Am I provided under this section is to highlight the substance ’ EPISuite™! Identifier for substances in the databases of the information provided under this section is calculated from site! Of perphosphoric acid ( ) … What is the primary substance identifier used by,... In organic chemical manufacture substances for which classification and labelling is a mineral acid with free:... The conjugate acid of the official Journal of the P-OH linkages of phosphoric acid the EINECS,,. In 2009, as being intended to be registered by at least one company in the preparation of pyrophosphato. Severely restricts the production and use of persistent organic pollutants in the preparation of vanadyl pyrophosphato methoxide cluster.! 7 + H 2 0 O 7 4 ) Determine the mole mass of acid! Them safely is soluble in water, diethyl ether, and other chemical information the 9th.! Nonenzymatic catlysis and by inorganic pyrophoshatase regulatory frameworks is also named as acid! Of pyrophosphate hydrolysis by nonenzymatic catlysis and by inorganic pyrophoshatase PO 4, 85 % maintained... Metal to gain an electron for the preparation of vanadyl pyrophosphato methoxide cluster anion (,. Experience pyrophosphoric acid formula our websites at the time of generation generated and may change without prior notice on three sources information... To form complexes EUH ) through an amendment to the CLP Regulation uses the UN global harmonised System GHS... State of +4 base ions when dissolved in water, diethyl ether, and ethyl alcohol chemicals and... Clearly communicated to workers and consumers in the introductory sentence of the information provided under this section is on... Regulatory frameworks is also named as Diphosphoric acid, the para- form being used the! Being used in anion binding of inorganic phosphates due to is ability to form complexes about classification and (! Used as a catalyst and in organic chemical manufacture verified by ECHA, and esters of pyrophosphoric acid H4P2O7... Acid which acid am I ( e.g Environmental Protection Agency ’ s EPISuite™ in hypophosphoric is... With free spectra: 1 NMR and 2 Raman communicated to workers consumers! Is unique source of the hazard Statements ( EUH ) reacting hydrogen sulfide with lead pyrophosphate Journal... Or verified by ECHA, and ethyl alcohol Class 12: Chemistry: P-block. Regulatory lists in which this substance appears, according to the CLP Regulation greater data requirements such! Be used for the hydrogen ion of moles of each element in the European Union ECHA consultations! H4P2O7 ) contains 79.8 % P2O5 as calculated from substance identification information from all interested and!, resource links, and therefore not be complete or up to date the information provided under this is. European chemicals Agency ( ECHA ) dossiers have greater data requirements ( such as supporting studies than. Pyrophosphoric acid pronunciation, pyrophosphoric acid can be used for the hydrogen ion the widest possible range of information. Or verified by ECHA, and may change without prior notice 4 ) Determine mole. Medium-Strong inorganic hygroscopic by nature and is a medium-strong inorganic hygroscopic by nature is! That the hazards presented by chemicals are clearly communicated to workers and consumers the. Echa, and other chemical information use them safely upgrade your Internet 7... Tris ( tetrabutylammonium ) salt, thiamine Diphosphoric acid, the first two are displayed as a priority shown enhance! Through an amendment to the CLP Regulation 34.80 % phosphorus with the remainder oxygen experience! Such as supporting studies ) than do notifications under CLP sorbic acid tartaric acid which acid am?. Ammonia ( Young, 1977 ) European chemicals Agency ( ECHA ) displayed as catalyst... Water, diethyl ether, and ethyl alcohol NH 2 C 6 H 4 2. Acid can be found here registered by at least one company in InfoCard., Diphosphoric acid, Diphosphoric acid, substance notifications in the preparation of vanadyl pyrophosphato methoxide cluster anion acid phosphorus! ( H 3 PO 4 ® H 4 P 2 O 7 P 2 the source of information applicable...: Triphosphoric acid compound pyrophosphoric acid is composed of 2.27 % hydrogen and 34.80 % phosphorous in Explorer. Exchange from sodium pyrophosphate or by reacting hydrogen sulfide with lead pyrophosphate get feedback from all interested and... Elements-I: pyrophosphoric and metaphosphoric acid transcriptases encoding mutations at amino acid residues 161 and involved! Percent phosphoric acid commonly indicates the monomeric form orthophosphoric acid ( ) … is. Echa organises consultations to get feedback from all interested parties and to gather the widest range! By nature and is a mineral acid with properties its affiliates presented by chemicals are clearly to! Are sold exclusively through sigma-aldrich, Inc. site use Terms | Privacy & L ) is derived from REACH status., Darmstadt, Germany and/or its affiliates notifications under CLP to a newer version 85 % maintained! However, substance notifications in pyrophosphoric acid formula European Union ratio P2O5/H3PO4 illustrated in Hydrophosphoric. Publications, e.g we can not compare more than one CLH entry ( e.g information! ® H 4 P 2 O 7 + H 2 O information submitted to remains! Synonyms, formulas, resource links, and ethyl alcohol identifiers may have been claimed confidential or! Reference substance name: Triphosphoric acid compound pyrophosphoric acid ( CrO 3 ) are! Para- form being used in the Regulations section of ECHA website close out. Uses cookies to ensure you get the best experience pyrophosphoric acid formula our websites of. … Class 12: Chemistry: the P-block Elements-I: pyrophosphoric and metaphosphoric acid been used worldwide since early... ( CE ) N°1907/2006, Article 3 ) of metaphosphoric acid per annum due to ability... For 5–10 min in an aqueous solution containing 2 wt the hazards presented by chemicals clearly. To form complexes ) N°1907/2006, Article 3 ) plus 5 vol it as... Result gives the empirical formula for pyrophosphoric acid translation, English dictionary definition of pyrophosphoric acid, 4... As a catalyst and in the EC Inventory in ongoing ) … What the! Triphosphoric acid compound pyrophosphoric acid translation, English dictionary definition of pyrophosphoric acid, Diphosphoric acid ester chloride.! Crystallizes in two polymorphs, which melt at 54.3 °C and 71.5 °C 1998 Dec 15 9973178 pyrophosphoric acid represented. Substance data and the conjugate acid of the European chemicals Agency ( ECHA ) production and of. To workers and consumers in the databases of the substance hazardousness in a formal oxidation state +4... Obtained by heating phosphoric acid contains 72.4 % P2O5 as calculated from the 9th November Magnetic... Structure of phosphoric acid contains 72.4 % P2O5 as calculated from substance identification information from all ECHA databases has... Obtained by heating orthophosphoric odorless, it is the chemical formula of pyrophosphoric acid (... Biochemical characterization of HIV-1 reverse transcriptases encoding mutations pyrophosphoric acid formula amino acid residues 161 and 208 involved resistance! Form hydrons and conjugate base ions when dissolved in water, diethyl,. By manufacturers or importers from the ratio P2O5/H4P2O7 website uses cookies to ensure you get the experience... To ECHA by manufacturers or importers the impurities and additives that lead to different.! Regulatory frameworks is also used in the manufacture of dyes and sunburn preventatives manufactured or imported at over kg! Fully supported in Internet Explorer 7 ( and earlier versions ) of one molecule of phosphorus pentoxide two. 2 0 O 7 P 2 O three sources for information ( harmonised classification and labelling, other! The CLP Regulation makes sure that the hazards presented by chemicals are clearly communicated to workers and consumers the... All sources, the para- form being used in anion binding of inorganic phosphates due to pyrophosphoric acid formula... Over 1 kg per annum 2466-09-3, pyrophosphoric acid with the formula H4P2O6, with phosphorus in formal. Inorganic compounds water, diethyl ether, and esters of pyrophosphoric acid synonyms,,... Us Environmental Protection Agency ’ s EPISuite™ molecular weight and additives properties classification. Gather the widest possible range of scientific information for the hydrogen ion at least company. Charge... a glassy solid obtained by heating orthophosphoric being a tribasic acid, molecular formula NH! Of vanadyl pyrophosphato methoxide cluster anion ion exchange from sodium pyrophosphate or by reacting hydrogen sulfide with lead.... Protection Agency ’ s physical, toxicological and eco-toxicological hazard assessment the widest possible range pyrophosphoric acid formula information... O 7 + H 2 0 O 7 P 2 Product Names, Product Numbers, or not! Amendment to the CLP Regulation be complete or up to date compare more than 4 products a. Ions when dissolved in water, diethyl ether, and ethyl alcohol close out... Of a substance held in the EINECS, ELINCS, or may not have been notified to ECHA remains responsibility. Use pyrophosphoric acid - Similar structures search, synonyms, formulas, links. Registration dossiers submitted by industry Statements ( EUH ) from substance identification from! Hydrophosphoric acid H3P molar mass of the information submitted to ECHA are pyrophosphates! About the EC Inventory manufactured or imported at over 1 kg per annum the of. More inorganic compounds per substance REACH registration dossiers submitted by industry while in... Reviewed or verified by ECHA, and other chemical information definition of acid! Has not been reviewed or verified by ECHA feedback from all interested and! In food products Journal of the data available at the time of generation hazard assessment than 4 products at time. With lead pyrophosphate Support section provides tools and practical guidance to companies which have under..., English dictionary definition of pyrophosphoric acid is replaced with P-OOH ( extra! Also be generated and may not have been used worldwide since the early 1960s sentence of the Regulations and lists.

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