strontium fluoride formula

Another proposal is that polarization of the electron core of the strontium atom creates an approximately tetrahedral distribution of charge that interacts with the Sr−F bonds. Similar to CaF2 and BaF2, SrF2 displays superionic conductivity at elevated temperatures. It appears as the mineral strontiofluorite. Design copyright © 2020, Strontium difluoride, strontium (II) fluoride. ECHA maintains the C&L Inventory, but does not review or verify the accuracy of the information. This section provides an overview of the calculated volume at which the substance is manufactured or imported to the European Economic Area (EU28 + Iceland, Liechtenstein and Norway). 7783-48-4. Molecular Weight 125.62 . This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance): Welcome to the ECHA website. Data compiled by: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron, Go To: Top, Gas phase ion energetics data, Notes, Hildenbrand, 1968 CopyCopied, CSID:74190, http://www.chemspider.com/Chemical-Structure.74190.html (accessed 15:10, Nov 5, 2020) The quality and correctness of the information submitted to ECHA remains the responsibility of the data submitter. If the substance is covered by more than one CLH entry (e.g. Strontium fluoride, SrF2, also called strontium difluoride and strontium(II) fluoride, is a fluoride of strontium. CopyCopied, FVRNDBHWWSPNOM-UHFFFAOYSA-L The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the molecular and structural formulas. Remove contact lenses, if present and easy to do.

Strontium fluoride is used as an optical material for a small range of special applications, for example, as an optical coating on lenses and also as a thermoluminescent dosimeter crystal. CAS Number: 7783-48-4 Chemical Formula: SrF2 Availability: R and D quantities only. The Support section provides tools and practical guidance to companies which have responsibilities under the EU chemicals legislation. Molar Mass: 125.6168. Substances may have impurities and additives that lead to different classifications. View abstract. Strontium fluoride 99.99%; CAS Number: 7783-48-4; EC Number: 232-000-3; Linear Formula: F2Sr; find Sigma-Aldrich-204471 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich. Mass-spectrometric studies of bonding in the group IIA fluorides,

Click to predict properties on the Chemicalize site, For medical information relating to Covid-19, please consult the, ACD/Labs Percepta Platform - PhysChem Module, Compounds with the same molecular formula, Search Google for structures with same skeleton, Slightly soluble in water (11.7mg at 18C/100ml), dilute acids. Other release to the environment of this substance is likely to occur from: outdoor use in long-life materials with low release rate (e.g. The CLP Regulation uses the UN Global Harmonised System (GHS) and European Union Specific Hazard Statements (EUH). According to the classification provided by companies to ECHA in CLP notifications this substance causes serious eye irritation, is harmful if inhaled, is harmful in contact with skin, causes skin irritation and may cause respiratory irritation.

All rights reserved. Except where otherwise noted, data are given for materials in their, Ab initio model potential study of the equilibrium geometry of alkaline earth dihalides: MX, Core Distortions and Geometries of the Difluorides and Dihydrides of Ca, Sr, and Ba Bytheway I, Gillespie RJ, Tang TH, Bader RF Inorganic Chemistry, Vol.34, No.9, 2407-2414, 1995, https://web.archive.org/web/20051214052733/http://www.newmet.co.uk/Products/koch/strontium.php, "http://www.crystran.co.uk/strontium-fluoride-srf2.htm", https://en.wikipedia.org/w/index.php?title=Strontium_fluoride&oldid=985559390, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, This page was last edited on 26 October 2020, at 17:14.

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.

Molecular weight calculation: 87.62 + 18.9984032*2 ›› Percent composition by element Structure, properties, spectra, suppliers and links for: Strontium(II) fluoride, 7783-48-4. and Informatics, X-ray Photoelectron Spectroscopy Database, version 4.1, Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron. MDL number MFCD00011251. Please note: Precautionary measures and guidance on safe use concern the use and handling of the specific substance as such, not of the presence of the substance in other articles or mixtures. 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. Strontium fluoride is prepared by reaction of strontium chloride with fluorine gas, or by action of hydrofluoric acid on strontium carbonate, The solid adopts the fluorite structure. Use descriptors are adapted from ECHA guidance to improve readability and may not correspond textually to descriptor codes described in Chapter R.12: Use Descriptor system of ECHA Guidance on information requirements and chemical safety assessment. Another use is as a carrier of strontium-90 radioisotope in radioisotope thermoelectric generators. uses its best efforts to deliver a high quality copy of the Hazard Class: No Applications: Strontium Fluoride is supplied as a high purity material whose uses include the manufacture of LED phosphors. J.Dent.Res. However, substance notifications in the InfoCard are aggregated independently of the impurities and additives. If generated, an InChI string will also be generated and made available for searching. The EC Number is the numerical identifier for substances in the EC Inventory. P280  Wear protective gloves/protective clothing/eye protection/face protection. J. Chem. PubChem Substance ID 24883884 Release to the environment of this substance can occur from industrial use: as an intermediate step in further manufacturing of another substance (use of intermediates) and in the production of articles. Data from NIST Standard Reference Database 69: The National Institute of Standards and Technology (NIST) [2] Another proposal is that polarization of the electron core of the strontium atom creates an approximately tetrahedral distribution of charge that interacts with the Sr−F bonds.[3]. ECHA has no data from registration dossiers on the precautionary measures for using this substance. Strontium Fluoride is a brittle white material that when compared to other optical materials, has intermediate optical properties and is not as popular. It irritates eyes and skin, and is harmful when inhaled or ingested. 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. Find out how LUMITOS supports you with online marketing. Its optical properties are intermediate to calcium fluoride and barium fluoride.[5]. When information is available in all sources, the first two are displayed as a priority. More information about CAS and the CAS registry can be found here. the

flooring, furniture, toys, construction materials, curtains, foot-wear, leather products, paper and cardboard products, electronic equipment). ›› Strontium Fluoride molecular weight. It forms face-centered cubic crystals, with structure of calcium fluoride.It is almost insoluble in water (its K sp value is approximately 4.33x10-9 at 25 degrees Celsius. Strontium fluoride, SrF 2, also called strontium difluoride and strontium(II) fluoride, is a fluoride of strontium.It is a stable brittle white crystalline solid with melting point of 1477°C and boiling point 2460°C. No predicted properties have been calculated for this compound. Its CAS number is [7783-48-4]. EINECS 232-000-3 Release to the environment of this substance can occur from industrial use: industrial abrasion processing with low release rate (e.g. The described Product category (i.e. This substance is used by consumers, in articles, by professional workers (widespread uses), in formulation or re-packing, at industrial sites and in manufacturing. 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. binding agent in paints and coatings or adhesives). Some substance identifiers may have been claimed confidential, or may not have been provided, and therefore not be displayed. © 2018 by the U.S. Secretary of Commerce strontium fluoride. Linear Formula SrF 2. [1] This is an exception to VSEPR theory which would predict a linear structure. Decomposes in strong acids, WARNING: Causes GI injury, skin and eye irritation. However, NIST makes no warranties to that effect, and NIST Molecular Weight 125.62 . EC Number 232-000-3. Registration, Evaluation, Authorisation and Restriction of Chemicals, Chemical Agents Directive and Carcinogens or Mutagens Directive, EC Inventory, Pre-Registration process, Other, EC Inventory, C&L Inventory, Registration dossier, Pre-Registration process, Other, Substances of very high concern identification, Recommendation for the Authorisation List, Getting started with EU chemicals legislation, Classification of substances and mixtures, Harmonised classification and labelling (CLH). More information about the EC Inventory can be found here. If available, additional information on classification and labelling (C&L) is derived from REACH registration dossiers submitted by industry.

A substance may have its use restricted to certain articles or products and therefore not all the examples may apply to the specific substance. Strontium fluoride, SrF2, also called strontium difluoride and strontium(II) fluoride, is a fluoride of strontium. One of the uses of strontium fluoride is as a carrier of strontium-90 radioisotope in radioisotope thermoelectric generators. This information has not been reviewed or verified by ECHA, and may change without prior notice. Standard Reference Data Act. It is a stable brittle white crystalline solid with melting point of 1477°C and boiling point 2460°C. This substance is used for the manufacture of: mineral products (e.g. Detailed Safety and Handling Information can be found on our Safety Data Sheet (SDS). tyres, treated wooden products, treated textile and fabric, brake pads in trucks or cars, sanding of buildings (bridges, facades) or vehicles (ships)) and indoor use in long-life materials with low release rate (e.g.

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