1. barium hydroxide 2. discholorine heptoxide 3. trisilicon tetranitride 4. magnesium sulfide 5. phosphorus pentabromide 6. carbon tetrachloride ANY HELP IS APPRECIATED! Still have questions? Country: P.R.China Phone: +86 592 2680 277 Telefax: +86 592 2680 237 INQUIRY | ORDER when 15.0 g chlorine reacts with 12.5 g … Molecular Formula. Data from NIST Standard Reference Database 69: The National Institute of Standards and Technology (NIST) Database and to verify that the data contained therein have The revised Drinking Water Directive aims to protect citizens and the environment from the harmful effects of contaminated drinking water and to improve access to drinking water. Simagchem Corporation is supplier for Trisilicon tetranitride.     S° = standard entropy (J/mol*K) Here you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. This substance is used in the following areas: building & construction work and formulation of mixtures and/or re-packaging. Write the formula: trisilicon tetranitride. Substances listed in the EINECS, ELINCS, or NLP inventories. This substance is used in the following areas: formulation of mixtures and/or re-packaging and building & construction work. Trending Questions. 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. Si 3 N 4 is the most thermodynamically stable of the silicon nitrides. A. Si3N4 B. Si4N3 C. Si3N6 D. Si6N3 E. Si4N6 Reset Next been selected on the basis of sound scientific judgment. When information is available in all sources, the first two are displayed as a priority. Release to the environment of this substance can occur from industrial use: manufacturing of the substance. Release to the environment of this substance can occur from industrial use: in the production of articles, in processing aids at industrial sites, as an intermediate step in further manufacturing of another substance (use of intermediates), as processing aid and as processing aid. 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. 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. A. Silicon nitride is a chemical compound of the elements silicon and nitrogen. by the U.S. Secretary of Commerce on behalf of the U.S.A. Give the formula for each molecule. If the substance is covered by more than one CLH entry (e.g. Substances indicated, in 2009, as being intended to be registered by at least one company in the EEA. Release to the environment of this substance can occur from industrial use: formulation in materials and formulation of mixtures. Substances which have been registered and can be placed on the EEA market by those companies with a valid registration. Add your answer and earn points. Hence, Si 3 N 4 is the most commercially important of the silicon nitrides when referring to the term "silicon nitride". If available, additional information on classification and labelling (C&L) is derived from REACH registration dossiers submitted by industry. the water level increases to 49ml. The name carbon tetrachloride implies one carbon atom and four chlorine atoms, so the formula is CCl 4. Go To: Top, References, Notes Data compilation copyrightby the U.S. Secretary of Commerce on behalf of the U.S.A.All rights reserved. E/(2*t2) + G Synonyms. This is based on information derived from REACH registration dossiers, declarations submitted to the. Alarge marble is dropped in a graduated cylinder with 35ml of water in it. J. Phys. si3n4 b. si4n3 c. si3n6 d. si6n3 e. si4n6 reset next. 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. This substance is used in the following products: metals and lubricants and greases. Relevance. The InfoCard summarises the non-confidential data of a substance held in the databases of the European Chemicals Agency (ECHA). The name silicon dioxide implies one silicon atom and two oxygen atoms, so the formula is SiO 2. ECHA has no public registered data indicating whether or in which chemical products the substance might be used. It is possible that a harmonisation is introduced through an amendment to the CLP Regulation. The name carbon tetrachloride implies one carbon atom and four chlorine atoms, so the formula is CCl 4. Some substance identifiers may have been claimed confidential, or may not have been provided, and therefore not be displayed. uses its best efforts to deliver a high quality copy of the This section lists some binary compounds with halogens (known as halides), oxygen (known as oxides), hydrogen (known as hydrides), and some other compounds of silicon. Assuming that the second and third blanks refers to a formula unit, rather than a molecule, of ammonium sulfate. Other articles where Carbon monofluoride is discussed: battery: Lithium batteries: The lithium–carbon monofluoride system has been among the more successful early commercial lithium miniature batteries. NIST-JANAF Themochemical Tables, Fourth Edition, carbon tetrachloride; silicon dioxide; trisilicon tetranitride; Solution. E/t2 The source of the information is mentioned in the introductory sentence of the hazard statements. the Chase, M.W., Jr., Copyright for NIST Standard Reference Data is governed by H° − H°298.15= A*t + B*t2/2 + Si3N4 is specialized in trading and developing active pharmaceutical ingredients, intermediates, and API. What is the chemical formula of trisilicon tetranitride? Give the formula for each molecule. Sulfate ions are of charge -2. UNII-9BXS997HR6. Registration, Evaluation, Authorisation and Restriction of Chemicals, Chemical Agents Directive and Carcinogens or Mutagens Directive, The nanomaterials form section indicates those substances known to ECHA to be placed on the EEA market as a nanomaterial. [all data], Go To: Top, Solid Phase Heat Capacity (Shomate Equation), References. Its chemical formula is S 4 N 4. … 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. The described Product category (i.e. carbon tetrachloride; silicon dioxide; trisilicon tetranitride; Solution. ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment. Furthermore, some substances can be found in an article, but with unlikely exposure (e.g. The correct total tonnage band can be found in the factsheet(s) for the substance. 1 decade ago. It is a white, high-melting-point solid that is relatively chemically inert, being attacked by dilute HF and hot H 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. Get your answers by asking now. What is the Classification and Labelling Inventory? Tetrasulfur tetranitride From Wikipedia, the free encyclopedia Tetrasulfur tetranitride is an inorganic compound with the formula S 4 N 4. Formula: Si 3 N 4; Hill system formula: N 4 Si 3; CAS registry number: [12033-89-5] Formula weight: 140.283; Class: nitride Colour: grey; Appearance: crystalline solid; Melting point: 1900°C; Boiling point: Density: 3200 kg m-3 Biocidal Products Committee opinions on active substance approval, National authorisation and mutual recognition, Understanding the Waste Framework Directive, Tools to prepare and submit SCIP notifications, List of substances subject to the POPs Regulation, Draft recommendation for inclusion in the Authorisation List and consultation, Submitted restrictions under consideration, Harmonised classification and labelling targeted consultations, Consultations on ECHA Executive Director’s requests, PACT - Public Activities Coordination Tool, Information on Candidate List substances in articles, Candidate List of substances of very high concern for Authorisation, Registry of restriction intentions until outcome, Registry of SVHC intentions until outcome, Table of harmonised entries in Annex VI to CLP, Occupational exposure limits - Activity list, Harmonised classification and labelling (RAC), Chapter R.12: Use Descriptor system of ECHA Guidance on information requirements and chemical safety assessment, French national inventory for nanomaterials, Belgian national inventory for nanomaterials, EU catalogue of nanomaterials used in cosmetics products, Guidance on the safe use of the substance, Previous consultations on ECHA’s Executive Director Requests to the Committees, Applications for authorisation consultations, Harmonised classification and labelling consultations, ECHA Executive Director’s requests related to the CLH process, Consultation on potential candidates for substitution, Consultation on derogation to the exclusion criteria, ECHA's Executive Director Requests to the Committees, Consultation on a draft recommendation for amendment of Authorisation List entries, Consultations in the authorisation process, Occupational exposure limits - Call for comments and evidence, Occupational exposure limits - Previous calls for comments and evidence, Occupational exposure limits – Consultations on OEL recommendation, Derogations for the protection of cultural heritage, ECHA's current activities on restrictions, ECHA's completed activities on restriction, Information on Candidate List substances in articles table, Information from the Existing Substances Regulation (ESR), PBT/vPvB assessments under the previous EU chemicals legislation, Adopted opinions and previous consultations on applications for authorisation, Adopted opinions on restriction proposals, Mapping exercise – Plastic additives initiative, Occupational exposure limits substance evaluations, List of substances subject to POPs Regulation, Small and Medium-sized Enterprises (SMEs), Practical examples of chemical safety reports, The REACH Registered substance portal was updated on 9th November 2020; the REACH registered factsheets were further updated on 21st December 2020.
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