Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Caesium chloride or cesium chloride is the inorganic compound with the formula CsCl. This colorless salt is an important source of caesium ions in a variety of niche applications. Its crystal structure forms a major structural type where each caesium ion is coordinated by 8 chloride ions. Caesium chloride dissolves in water. CsCl changes to NaCl structure on heating. Caesium chloride occurs naturally as impurities in carnallite (up to 0.002%), sylvite and kainite. Less than 20 tonnes of CsCl is produced annually worldwide, mostly from a caesium-bearing mineral pollucite.[7]
Caesium chloride is widely used in isopycnic centrifugation for separating various types of DNA. It is a reagent in analytical chemistry, where it is used to identify ions by the color and morphology of the precipitate. When enriched in radioisotopes, such as 137CsCl or 131CsCl, caesium chloride is used in nuclear medicine applications such as treatment of cancer and diagnosis of myocardial infarction. Another form of cancer treatment was studied using conventional non-radioactive CsCl. 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. Spread of 137CsCl 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 249 people.
^ abcdeHaynes, p. 4.57
^Lushchik, A; Feldbach, E; Frorip, A; Ibragimov, K; Kuusmann, I; Lushchik, C (1994). "Relaxation of excitons in wide-gap CsCl crystals". Journal of Physics: Condensed Matter. 6 (12): 2357–2366. Bibcode:1994JPCM....6.2357L. doi:10.1088/0953-8984/6/12/009. S2CID 250824677.
^Haynes, p. 4.132
^Haynes, p. 10.240
^Watanabe, M.; Tokonami, M.; Morimoto, N. (1977). "The transition mechanism between the CsCl-type and NaCl-type structures in CsCl". Acta Crystallographica Section A. 33 (2): 294. Bibcode:1977AcCrA..33..294W. doi:10.1107/S0567739477000722.
^Cesium chloride. nlm.nih.gov
^Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2nd ed.). Butterworth-Heinemann. ISBN 978-0-08-037941-8.
Caesiumchloride or cesium chloride is the inorganic compound with the formula CsCl. This colorless salt is an important source of caesium ions in a variety...
soluble chlorides is produced, and the insoluble chloride double salts of caesium are precipitated as caesium antimony chloride (Cs 4SbCl 7), caesium iodine...
is the "interpenetrating primitive cubic" structure, also called a "caesiumchloride" or B2 structure. This structure is often confused for a body-centered...
RbCl adopts the caesiumchloride (CsCl) structure (NaCl and KCl undergo the same structural change at high pressures). Here, the chloride ions form a simple...
this forms highly toxic/corrosive hydrofluoric acid. The caesium ion (Cs+) and caesiumchloride are generally not considered toxic. Haynes, William M.,...
be a white solid and is soluble in water. Its properties resemble caesiumchloride. It is produced by the reaction of hydrochloric acid with francium...
Sodium chloride /ˌsoʊdiəm ˈklɔːraɪd/, commonly known as edible salt, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium...
yielded 7.3 grams of caesiumchloride and 9.2 grams of rubidium chloride. Rubidium was the second element, shortly after caesium, to be discovered by...
Caesium iodide or cesium iodide (chemical formula CsI) is the ionic compound of caesium and iodine. It is often used as the input phosphor of an X-ray...
Potassium chloride (KCl, or potassium salt) is a metal halide salt composed of potassium and chlorine. It is odorless and has a white or colorless vitreous...
chemical elements lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr). Together with hydrogen they constitute group 1...
octahedron. In caesiumchloride each caesium has 8 chloride ions (at 356 pm) situated at the corners of a cube and each chloride has eight caesium ions (also...
Lithium chloride is a chemical compound with the formula LiCl. The salt is a typical ionic compound (with certain covalent characteristics), although the...
around 8 °C, the crystal structure is of the caesiumchloride type, with the ozonide ion in place of the chloride ion. At lower temperatures, the crystal structure...
Caesium cadmium chloride (CsCdCl3) is a synthetic crystalline material. It belongs to the AMX3 group (where A=alkali metal, M=bivalent metal, X=halogen...
and Cl− anions, so, the compound is not caesium pentachlorozincate, but caesium tetrachlorozincate chloride. No compounds containing the [ZnCl6]4− ion...
Caesium bromide or cesium bromide is an ionic compound of caesium and bromine with the chemical formula CsBr. It is a white or transparent solid with...
Caesium auride is the inorganic compound with the formula CsAu. It is the Cs+ salt of the unusual Au− anion. CsAu is obtained by heating a stoichiometric...
discrete layers of, often visible, concentrated viruses in the tube. Caesiumchloride is often used for these solutions as it is relatively inert but easily...
aurides, compounds containing the Au− anion. Caesium auride (CsAu), for example, crystallizes in the caesiumchloride motif; rubidium, potassium, and tetramethylammonium...
coordination geometry, in which each ion has a coordination number of six. Caesiumchloride, bromide, and iodide crystallize in a body-centered cubic lattice that...
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