The CLP Regulation uses the UN Global Harmonised System (GHS) and European Union Specific Hazard Statements (EUH). It is possible that a harmonisation is introduced through an amendment to the CLP Regulation. The IUPAC name of phosphorous acid is phosphonic acid. The phosphorus atom in a phosphoric acid molecule is bonded with 4 oxygen atoms, one with a double bond and the other three with single bonds. Structure, properties, spectra, suppliers and links for: Hypophosphorous acid, 6303-21-5, H2PO(OH), PH2(OH)O, PH2O(OH). A diprotic acid is an acid that is capable of releasing two hydrogen ions (protons) to an aqueous medium. It is also known as phosphoric(V) acid or orthophosphoric acid. 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. The molecular structure is based on structures generated from information available in ECHA’s databases. Jump to main content Jump to site nav Home Structure incompatible with current estimation method! The EC Number is the numerical identifier for substances in the EC Inventory. Product Identification Synonyms: Orthophosphorous acid CAS No. This substance is used in the following areas: formulation of mixtures and/or re-packaging. However, substance notifications in the InfoCard are aggregated independently of the impurities and additives. were added triethyl orthoacetate (5.5 mL, 30.0 mmol, 6.0 equiv.) Release to the environment of this substance can occur from industrial use: in processing aids at industrial sites, as processing aid, as an intermediate step in further manufacturing of another substance (use of intermediates) and in the production of articles. Michael Lutter. Such notifications are required for hazardous substances, mixtures, or articles, manufactured or imported at over 1 kg per annum. Unexpected carbon–sulfur bond formation took place in the reaction between phosphinic acid thioesters and benzyl Grignard reagents. Although this chemical structure contains three hydrogen atoms, it is a diprotic acid. inside a watch) or with very low concentrations considered not to pose risks to human health or the environment. The molecular structure is based on structures generated from information available in ECHA’s databases. In that case, the ATP (Adaptation to Technical Progress) number is displayed. The precautionary measures and guidance on safe use are as submitted to ECHA by registrants under the REACH Regulation. disodium tetraborate EC no. Welcome to the ECHA website. The molecular structure of the hydrogen bonded cyclic dimer of dimethylphosphinic acid was studied by gas-phase electron diffraction at 433K. It does not represent a new labelling, classification or hazard statement, neither reflect other factors that affect the susceptibility of the effects described, such as duration of exposure or substance concentration (e.g. Harmonisation is based on the substance’s physical, toxicological and eco-toxicological hazard assessment. Application Dimethylphosphinic acid was used in preparation of microcrystalline organometallic coordination polymer. EU. Phosphinic acid, nickel(2+) salt (2:1) CAS Number: 14507-36-9. To H-phosphinic acid or H-phosphinic acid ethyl ester (5.0 mmol, 1.0 equiv.) InChI=1S/C7H8NO2P/c8-7 (11 (9)10)6-4-2-1-3-5-6/h1-5,7H,8H2/p+1 … Phosphoric Acid is an acid-containing four atoms of oxygen, one atom of phosphorus, and three atoms of hydrogen. C&L Inventory, Registration dossier . In water, the dissociation of the phosphoric acid and the release of the protons follow the equilibria shown in Figure 6. Substances indicated, in 2009, as being intended to be registered by at least one company in the EEA. Substances which have been registered and can be placed on the EEA market by those companies with a valid registration. Hypophosphorous acid . Hazard statements were adapted to improve readability and may not correspond textually to the hazard statements codes description in the European Union Specific Hazard Statements (EUH) or the. nodiamide, or by oxidation of phosphinic acid. Guidance on safe use - recommendations by substance registrant on the proper use of the substance in various situations. Please upgrade your Internet Explorer to a newer version. nitric acid (31). It covers their hazardous properties, classification and labelling, and information on how to use them safely. 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. The ‘Hazard classification and labelling’ section shows the hazards of a substance based on the standardised system of statements and pictograms established under the CLP (Classification Labelling and Packaging) Regulation. The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. If the substance was not covered by the EC Inventory, ECHA attributes a list number in the same format, starting with the numbers 6, 7, 8 or 9. Comment (2-Carboxyethyl)(phenyl)phosphinic acid (H 2 L) is a flame-retardant additive for polymers such as polyesters (Levchik & Weil, 2005). ECHA has no public registered data indicating whether or into which articles the substance might have been processed. ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment. Phosphinic acid, P,P-bis(2,4,4-trimethylpentyl)- Valid: 01/20/2010: Active 2020 CDR TSCA Inv Active Phosphinic acid, P,P-bis(2,4,4-trimethylpentyl)- Unknown: Active TSCA Inv Phosphinic acid, P,P-bis(2,4,4-trimethylpentyl)- Valid: Active Copyright © 2016-2018 W. Robien, Inst. The 3D structure of phosphoric acid is given below. The InfoCard summarises the non-confidential data of a substance held in the databases of the European Chemicals Agency (ECHA). phosphorus dioxide. The second proton, with a pK of 7.2, is not more acidic than those of water. The report also explains in-depth details of shifting market dynamics, pricing structures, market trends, restraints, limitations, demand-supply variations, growth-boosting factors, and market variations that have been considered the most important factors in the carboxyethyl phenyl phosphinic acid … The fluoroaryl phosphinic acid undergoes reversible P–H addition to the carbonyl functionality of ketones under formation of a P–C bond which is retained in the resulting α-hydroxy phosphinic acid. Substances may have impurities and additives that lead to different classifications. 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. Chem., Univ. ECHA has no public registered data indicating whether or in which chemical products the substance might be used. This substance has not been registered under the REACH Regulation, therefore as yet ECHA has not received any data about this substance from registration dossiers. Note that for readability purposes, only the pictograms, signal words and hazard statements referred in more than 5% of the notifications under CLP are displayed. Please be aware there may be intermittent unavailability while work in ongoing. Salts derived from this acid are called hypophosphites. The source of the information is mentioned in the introductory sentence of the hazard statements. Other names: Diphenylphosphinic acid; Hydroxydiphenylphosphine oxide; P,P-diphenylphosphinic acid Permanent link for this species. Its related homologue, (carboxymethyl)(phen-yl)phosphinic acid, has also been investigated for the construction of metal–organic frameworks (Midollini et al., 2005). Unterphosphorige Säure . ECHA maintains the C&L Inventory, but does not review or verify the accuracy of the information. Some substance identifiers may have been claimed confidential, or may not have been provided, and therefore not be displayed. About Us; Covid; Our Services. Haruo Seto, in Comprehensive Natural Products Chemistry, 1999. Synthesis, Crystal Structures, and Solution Properties ofN-Methylene(phenyl)phosphinic Acid Derivatives of Cyclen and Cyclam If the substance is covered by more than one CLH entry (e.g. 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. 52849-30-6. CopyCopied, CSID:21100, http://www.chemspider.com/Chemical-Structure.21100.html (accessed 14:34, Dec 8, 2020) This section provides links to the list of precautions (precautionary statements) and to the guidance on safe use, if they have been provided in REACH registration dossiers. 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