Being a heavy element, caesium provides good stopping power with better detection. The order of po toxicity of the hydroxides was potassium > rubidium > cesium; cesium iodide was more toxic than rubidium iodide. CsI Synonyms. The aim of this entry is to resume and discuss the material currently available on therapeutic effects of cesium salts, their applications in medicine, and their toxicity. CESIUM IODIDE 1.1 Product Identifiers: Product Name : Cesium iodide CAS No : 7789-17-5 1.2 Relevant identified uses of the substance or mixture and uses advised against Identified uses: Laboratory chemicals, Manufacture of substances 1.3 Details of the supplier of the safety data sheet Supplier: Infinium Pharmachem Pvt. Cesium iodide. Product Name: Cesium Iodide. It was concluded that personal protective equipment and clothing should be worn when working with cesium, rubidium, or potassium hydroxides. Cesium iodide did not affect the eye or skin. Formula: CsI. EC number: 231-600-2 | CAS number: 7647-17-8 . Iodine 0.1 ppm (ceiling limit) 0.01 ppm (inhalable fraction and vapor) Engineering Controls: Ensure adequate ventilation to maintain exposures below occupational limits. GHS Label Elements: Signal Word: Warning. Membrane impermeant, phenanthridinium intercalator dye excited by mercury or xenon-arc … Enter email to auto receive SDS. [Toxicity of cesium iodide, sodium iodide and cesium iodide activated by sodium iodide]. It is present in the environment only in the stable form of 133 Cesium (the radioactive isotopes 134 Cesium and 137 Cesium are usually not measured or reported). Smiles I[Cs] Download. 1. Melting point: 626 ℃ Boiling point: 127 ° C at 760 mmHg. Cesium-iodide and rubidium-iodide did not affect the eye or skin. Organism Test Type Route Reported Dose (Normalized Dose) Effect Source; rat: LD50: intraperitoneal: 1400mg/kg (1400mg/kg) Archives of Industrial Hygiene and Occupational Medicine. These results indicate that cesium is only slightly toxic acutely and would pose an acute health hazard only when ingested in large quantities. Caesium iodide Caesium astatide: Other cations. Related Pages. General information; Classification & Labelling & PBT assessment; Manufacture, use & exposure Cesium Toxicity. Cesium phosphate | Cs3PO4 or Cs3O4P | CID 9827043 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. 1, Pg. The efficiency is high and energy dispersive spectroscopy is possible, but the resolution is rather poor. Medicine Elemental iodine. Cesium iodide did not affect the eye or skin. Monatomic caesium halide wires grown inside double-wall carbon nanotubes. Caesium iodide photocathodes are highly efficient at extreme ultraviolet wavelengths. Lead halide perovskites are emerging as important candidates for many photoelectric applications; however, the toxicity of the heavy metal Pb poses a barrier to such applications. In another study, cesium showed a low or very low acute toxicity orally or intraperitoneally to rats, except for cesium hydroxide, which had an intraperitoneal LD Synthesis and structure. Acute and Short-Term Toxicity (or Exposure) Animal. S.C. Gad, T. Pham, in Encyclopedia of Toxicology (Third Edition), 2014. COVID-19 is an emerging, rapidly evolving situation. This paper describes two cesium cupriferous iodides as nontoxic alternatives to lead containing perovskites. Eye damage/irritation, category 2A, Sensitization - skin, category 1, Specific target organ toxicity - single exposure, category 3. Acute and Short-Term Toxicity (or Exposure) Animal. Cesium iodide and thallium-doped sodium iodide are used in crystal scintillators for the detection of gamma rays. Explore the latest publications in the niche of Cesium & Toxicity Reproductive Toxicity Category 2 Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system. Here, we report on the synthesis and transformation of the cesium copper halides Cs 3 Cu 2 I 5 and CsCu 2 I 3. Chronic iodide overdoses may result in iodism, which is commonly characterized by salivation, coryza, sneezing, conjunctivitis, headache, fever, laryngitis, bronchitis, stomatitis, parotitis and oedema of the glottis [L2061]. COVID-19 is an emerging, rapidly evolving situation. A member of the alkali metals. These studies indicate that cesium and rubidium are only slightly toxic on an acute toxicologic basis and would pose an acute health hazard only when ingested in large quantities. Caesium iodide (CsI), bromide (CsBr) and caesium fluoride (CsF) crystals are employed for scintillators in scintillation counters widely used in mineral exploration and particle physics research to detect gamma and X-ray radiation. Hazard Statements: H302 Harmful if swallowed, H315 Causes skin irritation, H319 Causes serious eye irritation, H317 May cause an … Up to 10g of sodium iodide has been administered intravenously without any signs of toxicity … The order of po toxicity of the hydroxides was potassium > rubidium > cesium; cesium iodide was more toxic than rubidium iodide. The equilibrium phase of cesium lead iodide (CsPbI 3) at room temperature is yellow and optically inactive due to its indirect band gap.The metastable black phase of CsPbI 3 on the other hand exhibits optical properties that are suitable for photovoltaic and light-emitting devices. For example, for endpoints related to (eco)toxicology four main types of criteria exist to prioritise the display of information: test species, dose descriptor, duration and measurement units. :I Nr+| â n: v { f %2 . Cesium can be absorbed after oral ingestion, upon breathing contaminated air and through contact with the skin. Cesium Iodide No exposure limit established No exposure limit established. Cesium chloride | CsCl or ClCs | CID 24293 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. 1990;(9):56-7. COVID-19 is an emerging, rapidly evolving situation. It is often used as the input phosphor of an X-ray image intensifier tube found in fluoroscopy equipment. Whereas conventional caesium chloride has a rather low toxicity to humans and animals, the radioactive form easily contaminates the environment due to the high solubility of CsCl in water. Introduction Cesium is naturally present as the stable 133 Cs in various ores and to a lesser extent in soil. Caesium oxide | Cs2O | CID 9903865 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Acute Toxicity Oral 4 - H302 DSD/DPD • Due to formed nature of this product, no airborne concentrations are expected. what is ?) It has an atomic symbol Cs, atomic number 50, and atomic weight 132.91. Cesium is a naturally-occurring element found in rocks, soil and dust at low concentrations. The iodides of cesium and rubidium did not affect the eye or skin. 637, 1950. rat: LD50 : oral: 2386mg/kg (2386mg/kg) National Institute for Occupational Safety and Health, U.S. Dept. GHS Hazard Statements: H315 (12.43%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (99.8%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (12.43%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]Precautionary Statement Codes It readily dissolves in water with the maximum solubility increasing from 1865 g/L at 20 °C to 2705 g/L at 100 °C. barium calcium cesium lead samarium strontium bromide chloride fluoride iodide europium doped. Acute Toxicity Data and References. S.C. Gad, T. Pham, in Encyclopedia of Toxicology (Third Edition), 2014. The iodides of cesium and rubidium did not affect the eye or skin. Brief Profile ... – The result to be displayed is based on a set of criteria. RTECS # FL0350000 CAS # 7789-17-5 See: NMAM or ... 259.81 Molecular Formula. Using time-resolved in situ X-ray photoelectron spectroscopy, we identify and suppress rapid degradation mechanisms for cesium-stabilized formamidinium lead iodide perovskite materials used in state-of-the-art photovoltaics. [Article in Russian] Cesium monoiodide Dicesium diiodide Tricesium triiodide. Here, we examine the stability of the black phase of ligand-stabilized CsPbI 3 nanocrystals heated in humid air. Vol. It was concluded that personal protective … Animal studies indicated that stable cesium and its salts have relatively low toxicity, with acute oral LD 50 values for rats and mice in the range 800–2000 mg kg −1, with the exception of cesium hydroxide, which is more toxic than cesium iodide or cesium chloride and has an intraperitoneal LD 50 of 89 mg kg −1. Inorganic metal halide perovskite nanocrystals (NCs) are promising materials for emission-based applications; however, the inclusion of toxic lead may limit their commercial viability. Thus, intense research efforts have been directed to developing lead-free photoelectric materials. Caesium iodide or cesium iodide (chemical formula CsI) is the ionic compound of caesium and iodine. Toxicity. Ltd. (AN ISO 9001:2008 CERTIFIEDCO.) Potassium hydroxide was irritating to both intact and abraded skin, whereas cesium and rubidium hydroxide were irritating only to abraded skin. Gig Tr Prof Zabol. Spread of 137 CsCl powder from a 93-gram container in 1987 in Goiânia , Brazil, resulted in one of the worst-ever radiation spill accidents killing four and directly affecting more than 100,000 people. Lithium fluoride Sodium fluoride Potassium fluoride Rubidium fluoride Francium fluoride: Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). These results indicate that cesium is only slightly toxic acutely and would pose an acute health hazard only when ingested in large quantities. 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