In this case, the preferred CAS number is displayed first. Hergestellt wird es aus Calciumfluorid und Siliciumdioxid (Sand) mit konzentrierter Schwefelsäure.Folgende Reaktionen laufen ab: Umsetzung von Fluorit zu Fluorwasserstoff + → + Der Fluorwasserstoff reagiert dann mit dem SiO 2 + → + Unter Säureüberschuss wird die Hydrolyse von SiF 4 verhindert.. Das so erhaltene SiF 4 ist allerdings nur 80 bis 90%ig. This section searches three sources for information (harmonised classification and labelling (CLH), REACH registrations and CLP notifications). The Index number for each substance is in the form of a digit sequence of the type ABC-RST-VW-Y. Different classifications can also be due to technical errors made during the notification process. R.A. Shellie, in Encyclopedia of Forensic Sciences (Second Edition), 2013. Processable data for study results is prioritised by test species (see list below) and subsequently further prioritised by the dose descriptor. Values are presented in (nano/ micro/milli)gram per litre and/or (nano/ micro/milli)molar per litre. This section summarises the values related to short term toxicity to aquatic invertebrates from all registered dossiers for the substance. Therefore this does not constitute official and legally binding information. IUPAC names gives all the non-confidential names provided to ECHA in submissions under REACH, CLP, BPR and PIC, where indicated to be a IUPAC name. If more than one value is available, results are displayed as concatenated distinct values, ordered from most to least commonly provided, with the percentage of provided values appended. Silicon tetrafluoride. Applicant’s summary and conclusion – Interpretation of results. Displayed in all cases is the MOST CONSERVATIVE of the value(s) provided, ranking in the order as below. There are four methods to aggregate and summarise data, depending on the available data and endpoint. If more than one numerical result is available per endpoint, the range of results (min-max) will be presented (RANGE method). SMILES is the acronym for Simplified Molecular Input Line Entry Specification, a chemical notation system used to represent a molecular structure by a linear string of symbols. See information under ‘Applicant’s summary and conclusion – interpretation of results (oral)’. the minimum numerical value associated with the highest priority picklist item. Displayed are the RANGES of min – max of values (provided in %). See information under ‘Applicant’s summary and conclusion – interpretation of results (oral)’. Please be aware that as additional data is submitted to ECHA, the brief profile will also be updated to reflect the new situation. Silicon tetrachloride is used as an intermediate in the manufacture of polysilicon, a hyper pure form of silicon, since it has a boiling point convenient for purification by repeated fractional distillation.It is reduced to trichlorosilane (HSiCl 3) by hydrogen gas in a hydrogenation reactor, and either directly used … If more than one numerical result is available per endpoint, the range of results (min-max) and range of experimental conditions will be presented (RANGE method). Translated names gives the names in different EU languages, where available to ECHA. Information in the guidance on safe use section consists of recommendations by a substance registrant(s) on the proper use of the substance in various situations. Herstellung Verfahren 1. Molecular structure displayed in this section is based on InChI annotation from IUCLID reference substances database and stored in the ECHA database. See ‘Summary effect on fertility oral route’, except: This section displays the values related to neurotoxicity from all registered dossiers for the substance. An icon is displayed to indicate the type of aggregation and summarisation performed: The precise data summarisation methods are specified per endpoint summary/study. Note that translated names are available at this time only for substances which have a harmonised C&L or which are approved Biocidal active substances. Melting/freezing point at 101 325 Pa provides information on the substance melting/freezing point in °C at a pressure of 101 325 Pa. The PIC regulatory processes identified for the Brief Profile are: The ’About this substance’ section provides an overview of the volume in which this substance is manufactured or imported to the European Economic Area (EU28 + Iceland, Liechtenstein and Norway). 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. The basis of SMILES is the representation of a valence model of a molecule. Please see Registrants/Suppliers details. The goal of CLP is to make sure that hazards presented by chemicals are clearly communicated to workers and consumers in the European Union through a system of classifying and labelling of chemicals. Data is generally displayed in milligrams per kilogram, per bodyweight per day. The IUPAC nomenclature is a systematic way of naming chemical substances, both organic and inorganic. All data remain the property of its respective owners.Note that the brief profile is an automatically generated summary and that not all available data may be displayed. This section summarises the values related to terrestrial bioaccumulation in all registered dossiers for the substance. This section summarises the pH values from all registered dossiers for the substance. Short–term toxicity to aquatic invertebrates, Long–term toxicity to aquatic invertebrates, Toxicity to aquatic algae and cyanobacteria, Toxicity to aquatic plants other than algae, Endocrine disruptor testing in aquatic vertebrates - in vivo, Toxicity to terrestrial macroorganisms except arthropods. To confirm if a substance is covered by a specific legislative framework the official publication should be consulted.Reproduction or further distribution of this information may be subject to copyright protection.

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