cesium iodide empirical formula

Cesium hydroxide is a strong base and attacks glass. Calcium iodide (CaI2) EINECS 233-276-8. The POPs Regulation bans or severely restricts the production and use of persistent organic pollutants in the European Union. The CAS number is the substance numerical identifier assigned by the Chemical Abstracts Service, a division of the American Chemical Society, to substances registered in the CAS registry database. Favorite Answer. CAS : 7789-17-5 formula : CsI molecular weight : 259.81 Chinese name : CsI English title : Cesium iodide; Cesium iodide; Cesium monoiodide; dicesium diiodide; tricesium triiodide; Cesium iodide; caesiumiodide Notice:Each item can have many explanations from different angels. Rubidium iodide. uses its best efforts to deliver a high quality copy of the Molecular weight calculation: 132.90545 + 126.90447 ›› Percent composition by element Predict the empirical formula for each of the following compounds given the formula of sodium chloride, NaCl. also available. Substances which have been registered and can be placed on the EEA market by those companies with a valid registration. 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). The type of uses and classifications may vary between different submissions to ECHA and for a full understanding it is recommended to consult the source data. The Support section provides tools and practical guidance to companies which have responsibilities under the EU chemicals legislation. 1 mole is equal to 1 moles Cesium Iodide, or 259.80992 grams. The use of the Empirical Rule When the mean=median and the values often tend to cluster around the mean and median, producing a bell-shaped distribution. Relevance. InfoCards are updated when new information is available. See the answer. AKOS015904002 For a detailed overview on identified uses and environmental releases, please consult the registered substance factsheet. 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. ››Cesium Iodide molecular weight. Repeat the experiment a second time, as well as a third if time permits. 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. 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. In that case, the ATP (Adaptation to Technical Progress) number is displayed. The calcium iodide is CaI2. Previous question Next question Transcribed Image Text from this Question. Product Name: Cesium Iodide. Formula: CsI. 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. :7789-17-5 nature : density 4.51. The Waste Framework Directive aims to protect the environment and human health from the generation and management of waste and to improve efficient use of resources. ; Xing, X.P. two. What is the formula for gold 1 oxide? If generated, an InChI string will also be generated and made available for searching. Note: not every material in the above list is available in the ASTAR and PSTAR databases. ECHA maintains the C&L Inventory, but does not review or verify the accuracy of the information. ECHA has no public registered data on the routes by which this substance is most likely to be released to the environment. 7789-17-5: Density: 4.51 g/mL Solubility: 74 g/100 mL (20 ºC) Melting Point: 626 °C: Formula: CsI Boiling Point: 127 °C at … Guidance on safe use - recommendations by substance registrant on the proper use of the substance in various situations. 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 indicated, in 2009, as being intended to be registered by at least one company in the EEA. errors or omissions in the Database. The EC Number is the numerical identifier for substances in the EC Inventory. 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. 131 - 140 of 500 . ECHA has no public registered data indicating whether or in which chemical products the substance might be used. Molecular Weight 259.81 . Help me find the moles of reacted Iodide atoms, moles of reacted Zinc atoms, the mole ratio (I to Zn), and the empirical formula. Mass Spectrom., 1979, 8, 262. … The described Product category (i.e. The source of the information is mentioned in the introductory sentence of the hazard statements. Background: If lead is dissolved in nitric acid and then allowed to react with potassium iodide, an insoluble lead iodide compound is formed. Photoelectron Imaging and Spectroscopy of MI2- (M = Cs, Cu, Au): Evolution from Ionic to Covalent Bonding, This information is only displayed if the substance is well-defined, its identity is not claimed confidential and there is sufficient information available in ECHA’s databases for ECHA’s algorithms to generate a molecular structure. The quality and correctness of the information submitted to ECHA remains the responsibility of the data submitter. shall not be liable for any damage that may result from The molecular formula for Cesium Iodide is CsI. Note that rounding errors may occur, so always check the results. scroll down Here American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Caesium iodide or cesium iodide (chemical formula CsI) is the ionic compound of caesium and iodine. What is the Classification and Labelling Inventory? Show Navigation Hide Navigation G/cm. Standard Reference Data Act. InfoCards are generated automatically based on the data available at the time of generation. The empirical formula of calcium oxide is CaO, the same as the formula unit. CESIUM IODIDE. We apologise for the inconvenience in the meantime. Applications on behalf of the United States of America. Laboratory Chemical Safety Summary (LCSS) Datasheet. Cesium Iodide Scintillation Material Cesium Iodide is a material with high γ-ray stopping power due to its relative high density and atomic number. Cesium iodide (CsI) Observation chemical change F. You have read that a new brand of hair tonic is supposed to contain lead (an ingredient in Grecian Formula). Purification of the raw cesium iodide using an inorganic absorbent was found to be the most favorable. 7789-17-5. A brief description of the purification procedure was provided as well as the results of characterization of the obtained crystals by the ionic thermocurrent, electroconductivity and IR-spectroscopy methods. A substance may have its use restricted to certain articles or products and therefore not all the examples may apply to the specific substance. Harmonisation is based on the substance’s physical, toxicological and eco-toxicological hazard assessment. If at least one company has indicated that the substance classification is affected by impurities or additives, this will be indicated by an informative sentence. The CLP Regulation makes sure that the hazards presented by chemicals are clearly communicated to workers and consumers in the European Union. From a list of almost 2000 names and formulas, students will be given the opportunity to practice their ability to name ionic compounds, given the formula, and determine the formula given the name. KI (potassium iodide) is a salt of stable (not radioactive) iodine that can help block radioactive iodine from being absorbed by the thyroid gland, thus protecting this gland from radiation injury. 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. 7790-29-6. Still have questions? ECHA organises consultations to get feedback from all interested parties and to gather the widest possible range of scientific information for the regulatory processes. REACH registration dossiers have greater data requirements (such as supporting studies) than do notifications under CLP. Answer Save. Substances listed in the EINECS, ELINCS, or NLP inventories. cesium nitrate ionic or covalent, Example: Ionic Compound: Sodium Chloride Chemical Formula NaCl = 1 Na atom = metal (+) = 1 Cl atom = nonmetal (-) Naming and Writing Formulas for Ionic Compounds An ionic compound is made up of a nonmetal ion (-) and a metal ion (+). Molecular formula : cesium iodide MW : CsI CAS No. This page allows searching Industrial chemicals for sale, Quality Cesium Iodide with 99.9% Purity and CsI Formula on sale of Jiangxi Royal Import & Export Co. Ltd from China. CsI. This was determined by burning the Magnesium until a white smoke started to protrude. of all reactions involving this species. But you were 100% correct, the reaction between cesium and iodine is simply, cesium iodide. A wide variety of cesium iodide options are available to you, such as electron grade, industrial grade, and agriculture grade. Determining the Empirical Formula of Magnesium Oxide, students set out to find if there is a true 1:1 ratio in the empirical formula of MgO. Home. Show transcribed image text. 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. Chem. 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. 1 1. turkeyphant. cesium ion lithium ion fluorine sulfur oxygen nitrogen chlorine selenium iodine phosphorous fluoride sulfide oxide nitride chloride selenide iodide phosphide . Caesium iodide or cesium iodide ( chemical formula CsI) is the ionic compound of caesium and iodine. 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. However, substance notifications in the InfoCard are aggregated independently of the impurities and additives. 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 most important use of Caesium iodide. Expert Answer . It is often used as the input phosphor of an X-ray image intensifier tube found in fluoroscopy equipment. potassium chloride (c.) lithium bromide (d.) rubidium iodide Formula One racing has witnessed many ... before the rubidium ion I¯ iodide-ide ending is 2¯ cesium ion O oxide the stem. The precautionary measures and guidance on safe use are as submitted to ECHA by registrants under the REACH Regulation. 10/15/2016 ALEKS; 2/2 iodine normally forms anions. Copyright for NIST Standard Reference Data is governed by REACH registered substance data was upgraded on 9th November. : 7789-17-5 EINECS no. If the ratio is 2 (as with hydrogen peroxide, H 2 O 2), then multiply the subscripts of the empirical formula by 2 to get the correct molecular formula. Molecular formula : CAS : nature : colorless crystalline powder. Note: Please consider using the Empirical Formula of Lead Iodide. ; Wei, F.; Li, J.; Wang, L.S., ECHA has no public registered data indicating whether or in which chemical products the substance might be used. CESIUM IODIDE Caesium iodide 7789-17-5 100 *Designates that a specific chemical identity and/or percentage of composition has been withheld as a trade secret. form is name empirical formula iron(11) iodide 0 cesium … 2.) 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. . If the substance is covered by more than one CLH entry (e.g. It is possible that a harmonisation is introduced through an amendment to the CLP Regulation. 2Cs(s) + I2(g) → CsI(s) 2Cs(s) + I2(g) → CsI(s) Notice in the equation that iodine is in it's gaseous state in order for the reaction to proceed. It is Au2O1, a rarely-seen -1 oxidation state for gold, as in compounds such as cesium auride (CsAu). the electronic edition of the Official Journal of the European Union. Dip the strip in acetone, shake it dry and weigh again ( 0.001g). Rubidium-iodid. Taken together, considering the physico-chemical properties and the available literature cesium iodide … 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, 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. 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