Occupational exposure limit (OEL) values are derived within two legal frameworks that form an integral part of the EUâs mechanism for protecting the health of workers. It is the responsibility of the substance manufacturers and importers to consult official publications, e.g. The Support section provides tools and practical guidance to companies which have responsibilities under the EU chemicals legislation. In addition, the molecular formula is F 4 Si and the molecular weight is 104.08. Silicon tetrafluoride Categories This reference contains the names of substances and descriptions of the chemical formulas (including the structural formula and the skeletal formula). Note that rounding errors may occur, so always check the results. Silicon tetrachloride or tetrachlorosilane is the inorganic compound with the formula SiCl4. Its EINECS registry number is 232-015-5. âºâº Silicon Tetrafluoride molecular weight. Reacts violently to explosively with lithium nitride [Porritt, L. J., Chem. EU. It applies the European Agreements on the international transport of dangerous goods by road (ADR) and inland waterways (ADN), and the Regulations concerning the international carriage of dangerous goods by rail (RID). 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. Silicon tetrafluoride or tetrafluorosilane is the chemical compound with the formula SiF4. It was first synthesized by John Davy in 1812. It is a colourless volatile liquid that fumes in air. Information on precautionary measures and the safe use is submitted by the registrant of a substance and the registrant is solely responsible for its accuracy and completeness. 3.2, Table A), Directive 2008/68/EC, last amended by Regulation 2019/1243/EU, 25 July 2019, EU. Silicon tetrafluoride | SiF4 or F4Si | CID 24556 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Substances for which classification and labelling data have been notified to ECHA by manufacturers or importers. Product name: Silicon tetrafluoride Additional identification Chemical name: Silicon tetrafluoride Chemical formula: SiF4 INDEX No. 7783-61-1 EC No. If generated, an InChI string will also be generated and made available for searching. See more. ECHA has no public registered data indicating whether or in which chemical products the substance might be used. Welcome to the ECHA website. Harmonisation is based on the substance’s physical, toxicological and eco-toxicological hazard assessment. Substances listed in the EINECS, ELINCS, or NLP inventories. ECHA maintains the C&L Inventory, but does not review or verify the accuracy of the information. 232-015-5 REACH Registration No. English-Polish dictionary for engineers. Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The EC or list number is the primary substance identifier used by ECHA. Therefore silicon tetrafluoride formula is ⦠Silicon tetrafluoride EC Number: 232-015-5 EC Name: Silicon tetrafluoride CAS Number: 7783-61-1 Molecular formula: F4Si IUPAC Name: silicon(4+) tetrafluoride We do not use a prefix for one, or mono, unless it is the second element. Silicon Tetrafluoride, also known as Tetrafluorosilance, is a toxic chemical compound which is colorless and has a strong odor. In the laboratory, the compound is prepared by heating BaSiF6 above 300 °C, whereupon the solid releases volatile SiF4, leaving a residue of BaF2. Find more compounds similar to Silicon tetrafluoride. However, substance notifications in the InfoCard are aggregated independently of the impurities and additives. Examples include recommended measures on fire-fighting, transport and recycling and disposal. The per substance REACH registration status is being calculated and will be made available as soon as possible. It covers their hazardous properties, classification and labelling, and information on how to use them safely. Brit., 1979, 15, p. 282]. If no EU harmonised classification and labelling exists and the substance was not registered under REACH, information derived from classification and labelling (C&L) notifications to ECHA under CLP Regulation is displayed under this section. ECHA has no public registered data indicating whether or into which articles the substance might have been processed. This database contains the ADN's Dangerous Goods List, as implemented by the EU's Directive 2008/68/EC. The IUPAC name is tetrafluorosilane. The bonds in tetrafluoromethane have a bonding energy of 515 kJâ
mol â1. Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director REACH registration dossiers have greater data requirements (such as supporting studies) than do notifications under CLP. silicon tetrafluoride. The information is aggregated from the data coming from REACH substance registrations provided by industry. This Directive establishes rules for the safe transport of dangerous goods between EU countries by road, rail, and waterway. 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Both are gases so the prefixes tell you how many 'parts' there are. Am. More information about Classification and Labelling is available in the Regulations section of ECHA website. The formula for silicon tetrafluoride [Note correct spelling*] is SiF4. Compare Products: Select up to 4 products. InfoCards are updated when new information is available. ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment. Molar mass of SiF4 = 104.0791128 g/mol. Mol. Search results for tetrafluoride at Sigma-Aldrich. 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. Silicon tetrafluoride or Tetrafluorosilane is the chemical compound with the formula SiF4. This substance is used for the manufacture of: electrical, electronic and optical equipment. Silicon tetrachloride | SiCl4 or Cl4Si | CID 24816 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Guidance on safe use - recommendations by substance registrant on the proper use of the substance in various situations. ECHA organises consultations to get feedback from all interested parties and to gather the widest possible range of scientific information for the regulatory processes. *Please select more than one item to compare This colorless compound is notable for having a narrow liquid range: its boiling point is only 4 °C above its melting point. When information is available in all sources, the first two are displayed as a priority. ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment. InfoCards are generated automatically based on the data available at the time of generation. Silicon 4 tetrafluoride is prepared by direct halogenation of pure quartz or silicon carbide. Danger! 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). Additionally, if available, information on the use of the substance and how consumers and workers are likely to be exposed to it can also be displayed here. Other release to the environment of this substance is likely to occur from: indoor use as processing aid. czterofluorek krzemu. 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. The POPs Regulation bans or severely restricts the production and use of persistent organic pollutants in the European Union. 01-2120762243-59 1.2 Relevant identified uses of the substance or mixture and uses advised against Identified uses: Industrial and professional. What is the Classification and Labelling Inventory? 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. (b) On treatment with hydrofluoric acid, silicon dioxide forms silicon tetrafluoride and water. Silicon tetrafluoride technical grade; CAS Number: 7783-61-1; EC Number: 232-015-5; Synonym: Silicon(IV) fluoride; Linear Formula: F4Si; find Sigma-Aldrich-391050 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich. This database contains the RID's Dangerous Goods List, as implemented by the EU's Directive 2008/68/EC. It was first synthesized by John Davy in 1812. Release to the environment of this substance can occur from industrial use: as processing aid, in the production of articles and in processing aids at industrial sites. This is unique source of information on the chemicals manufactured and imported in Europe. Substances indicated, in 2009, as being intended to be registered by at least one company in the EEA. Such notifications are required for hazardous substances, mixtures, or articles, manufactured or imported at over 1 kg per annum. When heated to decomposition SILICON TETRAFLUORIDE emits toxic fluoride fumes [Lewis, 3rd ed., 1993, p. 1138]. the electronic edition of the Official Journal of the European Union. The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the molecular and structural formulas. gas phase; switching reaction(F-)H2O, DG+-8. SiF4 can in principle also be generated by the reaction of silicon dioxide and hydrofluoric acid, but this process tends to give hexafluorosilicic acid: This volatile compound finds limited use in microelectronics and organic synthesis.[5]. 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. The examples provided are generic examples and may not apply to the specific substance you are viewing. 3.2, Table A), Directive 2008/68/EC, last amended by Regulation 2019/1243/EU, 25 July 2019, EU. [4] Silicon Fluoride is a water insoluble Silicon source for use in oxygen-sensitive applications, such as metal production.Fluoride compounds have diverse applications in current technologies and science, from oil refining and etching to synthetic organic chemistry and the manufacture of pharmaceuticals. 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. 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. [9] Some amounts are also emitted from spontaneous coal fires. Convert grams Silicon Tetrafluoride to moles or moles Silicon Tetrafluoride to grams. When heated to decomposition SILICON TETRAFLUORIDE emits toxic fluoride fumes [Lewis, 3rd ed., 1993, p. 1138]. This site is not fully supported in Internet Explorer 7 (and earlier versions). References The data on these compounds pages are assembled and adapted from the primary literature and several other sources including the following. In that case, the ATP (Adaptation to Technical Progress) number is displayed. [2] It is a tetrahedral molecule. It is used to produce high purity silicon and silica for commercial applications. The EC Number is the numerical identifier for substances in the EC Inventory. ECHA has no public registered data indicating whether or in which chemical products the substance might be used. Tetrafluoromethane can be prepared in the laboratory by the reaction of silicon carbide with fluorine. 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. Reacts violently to explosively with lithium nitride [Porritt, L. J., Chem. It is a tetrahedral molecule. 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. If available, additional information on classification and labelling (C&L) is derived from REACH registration dossiers submitted by industry. Shimizu, M. "Silicon(IV) Fluoride" Encyclopedia of Reagents for Organic Synthesis, 2001 John Wiley & Sons. This substance is used in the following products: laboratory chemicals. Dangerous Goods List (ADR, Chap. This tetrahedral molecule is notable for having a remarkably narrow liquid range (its boiling point is only 4 °C above its melting point). As a result, it is inert to acids and hydroxides. 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. It is used to seal water out of oil wells and in the production of Silicon and Fluosilicic Acid. The SI base unit for amount of substance is the mole. - CAS-No. 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. Substances which have been registered and can be placed on the EEA market by those companies with a valid registration. It was first synthesized by John Davy in 1812. silicon tetrafluoride. Write the chemical formula for each substance mentioned in the following word descriptions (use the front inside cover to find the symbols for the elements you do not know). 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. A substance may have its use restricted to certain articles or products and therefore not all the examples may apply to the specific substance. This Directive establishes rules for the safe transport of dangerous goods between EU countries by road, rail, and waterway. (a) Silicon tetrafluoride contains one silicon atom, so the symbol is Si, since silicon tetra fluoride contains four fluorine atoms, so write four at subscript of fluorine. It applies the European Agreements on the international transport of dangerous goods by road (ADR) and inland waterways (ADN), and the Regulations concerning the international carriage of dangerous goods by rail (RID). The purpose of the information provided under this section is to highlight the substance hazardousness in a readable format. If the substance is covered by more than one CLH entry (e.g. Substance: Silicon Tetrafluoride CAS RN: 7783-61-1 Shipping Name/Number: UN 1859; Silicon tetrafluoride State: gas Color: colorless Odor: other odor pH: acid (0-6) strong acid (3) mod. It is used for 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. SiC + 4 F 2 â CF 4 + SiF 4 Reactions. (a) Zinc carbonate can be heated to form zinc oxide and carbon dioxide. ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment. SiF4 is a by-product of the production of phosphate fertilizers, resulting from the attack of HF (derived from fluorapatite protonolysis) on silicates, which are present as impurities in the phosphate rock. Reacts violently with alcohols to form HF. Go To: Top, References, Notes Data compilation copyrightby the U.S. Secretary of Commerce on behalf of the U.S.A.All rights reserved. This substance is used by professional workers (widespread uses), in formulation or re-packing and at industrial sites. Kruszewski, Å., FabiaÅska, M.J., Ciesielczuk, J., Segit, T., OrÅowski, R., MotyliÅski, R., MoszumaÅska, I., Kusy, D. 2018 â First multi-tool exploration of a gas-condensate-pyrolysate system from the environment of burning coal mine heaps: An in situ FTIR and laboratory GC and PXRD study based on Upper Silesian materials. This section is based on three sources for information (harmonised classification and labelling (CLH), REACH registrations and CLP notifications). The molecular formula for Silicon Tetrafluoride is SiF4. Close Find out more on how we use cookies. The CAS registry number of Silicon tetrafluoride is 7783-61-1. Attacks many metals in the presence of moisture. Molecular weight calculation: 28.0855 + 18.9984032*4 âºâº Percent composition by element Furthermore, some substances can be found in an article, but with unlikely exposure (e.g. Dangerous Goods List (ADN, Chap. Please upgrade your Internet Explorer to a newer version. The quality and correctness of the information submitted to ECHA remains the responsibility of the data submitter. Reacts violently with alcohols to form HF. It is possible that a harmonisation is introduced through an amendment to the CLP Regulation. Occurrences are displayed readable format notifications ) at least one company in the Regulations and regulatory in! '' in fluorine examples and may not have been provided, and.... The CAS registry can be placed on the substance might have been notified ECHA. * There is no `` flour '' in fluorine you can sign in to vote the answer information. Validate and double check the results substance might be used hazardous substances, mixtures, or inventories. Organic Synthesis, 2001 John Wiley & Sons how we use cookies to acids and.... The electronic edition of the European Union colorless and has a strong odor in. L ) is derived from REACH registration status is being calculated and will be available! 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