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Cesium chloride, with the chemical formula CsCl, is a salt formed from the combination of cesium and chlorine ions in a 1:1 ratio. It is a versatile compound that has found applications in various scientific and industrial fields due to its unique properties.

7647-17-8

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7647-17-8 Usage

Uses

Used in Laboratory Research:
Cesium chloride is used as a component in the preparation of density gradients for centrifugation, which is essential for the separation and purification of various biological molecules, including nucleic acids and proteins.
Used in DNA Purification:
In molecular biology, cesium chloride is utilized as a medium for the purification of DNA. Its high density allows for the separation of DNA from other cellular components through centrifugation, resulting in highly purified DNA samples.
Used in the Preparation of Cesium-based Compounds:
Cesium chloride serves as a precursor for the synthesis of various cesium-based compounds, which are used in different applications such as in the production of scintillation detectors and as catalysts in chemical reactions.
Used as a Source of Cesium Ions:
Cesium chloride is used as a source of cesium ions in a variety of chemical reactions, where cesium ions can act as catalysts or participate in the formation of new compounds.
Used in Cancer Therapy Research:
Cesium chloride has been investigated for its potential in cancer therapy. It has been shown to disrupt the ionic balance in cancer cells, leading to their destruction. This property has sparked interest in the development of cesium chloride-based treatments for various types of cancer.

Check Digit Verification of cas no

The CAS Registry Mumber 7647-17-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,4 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 7647-17:
(6*7)+(5*6)+(4*4)+(3*7)+(2*1)+(1*7)=118
118 % 10 = 8
So 7647-17-8 is a valid CAS Registry Number.
InChI:InChI=1/ClH.Cs/h1H;/q;+1/p-1

7647-17-8 Well-known Company Product Price

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  • Alfa Aesar

  • (89188)  Cesium chloride, 99.999+% (metals basis)   

  • 7647-17-8

  • 10g

  • 530.0CNY

  • Detail
  • Alfa Aesar

  • (89188)  Cesium chloride, 99.999+% (metals basis)   

  • 7647-17-8

  • 50g

  • 1972.0CNY

  • Detail
  • Alfa Aesar

  • (10018)  Cesium chloride, 99.9% (metals basis)   

  • 7647-17-8

  • 25g

  • 544.0CNY

  • Detail
  • Alfa Aesar

  • (10018)  Cesium chloride, 99.9% (metals basis)   

  • 7647-17-8

  • 100g

  • 1605.0CNY

  • Detail
  • Alfa Aesar

  • (35690)  Cesium chloride, ultra dry, 99.998% (metals basis)   

  • 7647-17-8

  • 5g

  • 189.0CNY

  • Detail
  • Alfa Aesar

  • (35690)  Cesium chloride, ultra dry, 99.998% (metals basis)   

  • 7647-17-8

  • 25g

  • 949.0CNY

  • Detail
  • Alfa Aesar

  • (43720)  Cesium chloride, ultra dry, 99.99% (metals basis)   

  • 7647-17-8

  • 10g

  • 843.0CNY

  • Detail
  • Alfa Aesar

  • (43720)  Cesium chloride, ultra dry, 99.99% (metals basis)   

  • 7647-17-8

  • 50g

  • 2881.0CNY

  • Detail
  • Alfa Aesar

  • (43720)  Cesium chloride, ultra dry, 99.99% (metals basis)   

  • 7647-17-8

  • 250g

  • 10790.0CNY

  • Detail
  • Alfa Aesar

  • (35689)  Cesium chloride, ultra dry, 99.9% (metals basis)   

  • 7647-17-8

  • 10g

  • 532.0CNY

  • Detail
  • Alfa Aesar

  • (35689)  Cesium chloride, ultra dry, 99.9% (metals basis)   

  • 7647-17-8

  • 50g

  • 2062.0CNY

  • Detail
  • Alfa Aesar

  • (42832)  Cesium chloride, ultra dry, 99.9% (metals basis)   

  • 7647-17-8

  • 5g

  • 346.0CNY

  • Detail

7647-17-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name caesium chloride

1.2 Other means of identification

Product number -
Other names Cesium chloride

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:7647-17-8 SDS

7647-17-8Downstream Products

7647-17-8Relevant articles and documents

Time-dependent transformation routes of perovskites CsPbBr3and CsPbCl3under high pressure

Katrusiak, Andrzej,St?hl, Kenny,Szafrański, Marek

, p. 10769 - 10779 (2021/05/14)

All-inorganic halide perovskites are prospective materials for diverse applications in photovoltaic and optoelectronic devices. Their high performance is associated with good operational stability, which is the key problem of hybrid organic-inorganic perovskites. However, for these materials only fragmentary information is available on the mechanical robustness and response to external stress, fundamentally important for strain engineering in multilayers, pressure-assisted technologies, and flexible panels applications. Here we show that all-inorganic perovskites CsPbX3 (where X = Cl, Br) undergo various types of pressure-induced transformations, including reversible phase transitions, irreversible chemical reactions reducing the dimensionality of PbX6 frameworks, and amorphization. The transformation routes depend on the mode of the applied stress and are related to the kinetics of transitions to the most stable phases. The slow-kinetics transformations in a moderate pressure range of technological importance, between 0.5 and 1.5 GPa, can require days or even weeks, depending on the sample quality and external stimuli. The pressure-induced narrowing and widening of energy gaps has been explained by the mechanism combining Pb-X bond lengths and PbX6 octahedra tilts with the electronic structure of the crystals.

Ion Exchange of Layered Alkali Titanates (Na2Ti3O7, K2Ti4O9, and Cs2Ti5O11) with Alkali Halides by the Solid-State Reactions at Room Temperature

Ogawa, Makoto,Saothayanun, Taya Ko,Sirinakorn, Thipwipa Tip

, p. 4024 - 4029 (2020/04/08)

Ion exchange of layered alkali titanates (Na2Ti3O7, K2Ti4O9, and Cs2Ti5O11) with several alkali metal halides surprisingly proceeded in the solid-state at room temperature. The reaction was governed by thermodynamic parameters and was completed within a shorter time when the titanates with a smaller particle size were employed. On the other hand, the required time for the ion exchange was shorter in the cases of Cs2Ti5O11 than those of K2Ti4O9 irrespective of the particle size of the titanates, suggesting faster diffusion of the interlayer cation in the titanate with lower layer charge density.

Soluble diamagnetic model for malaria pigment: Coordination chemistry of gallium(III)protoporphyrin-IX

Bohle, D. Scott,Dodd, Erin L.,Pinter, Tyler B. J.,Stillman, Martin J.

, p. 10747 - 10761 (2013/01/15)

The facile axial ligand exchange properties of gallium(III) protoporphyrin IX in methanol solution were utilized to explore self-association interactions by NMR techniques. Structural changes were observed, as well as competitive behavior with the ligands acetate and fluoride, which differed from that seen with the synthetic analogue gallium(III) octaethylporphyrin which lacks acid groups in its side-chains and has less solution heterogeneity as indicated by absorption and MCD spectroscopies. The propionic acid side chains of protoporphyrin IX are implicated in all such interactions of PPIX, and both dynamic metal-propionic interactions and the formation of propionate-bridged dimers are observed. Fluoride coordination provides an unusual example of slow ligand exchange, and this allows for the identification of a fluoride bridged dimer in solution. An improved synthesis of the chloride and hydroxide complexes of gallium(III) protoporphyrin IX is reported. An insoluble gallium analogue of hematin anhydride is described. In general, the interactions between solvent and the metal are found to confer very high solubility, making [Ga(PPIX)] + a useful model for ferric heme species.

Internal cation mobility in molten CsCl-NdCl3 system at 1073 K

Zab?ocka-Malicka, Monika,Ciechanowski, Bart?omiej,Szczepaniak, W?odzimierz,Gawe?, Wies?aw

, p. 3409 - 3413 (2010/06/21)

CsCl-NdCl3 is the next of binary MCl-NdCl3 systems (M: alkali metal) investigated for determination of relative internal mobilities of cations (bCs, bNd) by countercurrent electromigration method (Klemm's method). The results have been presented as isotherms of internal mobilities of Cs+ and Nd3+ ions on NdCl3 equivalent fraction (yNd). It has been found that internal mobility of cesium cations is higher than neodymium ones in the entire composition range (what is typical for nonsymmetrical MCl-LnCl3 systems (M: Li, Na, K; Ln: La, Nd, Dy)) and decreases with increase of NdCl3 concentration in the melt. Generally, dependence of internal mobility of lanthanide cations in melts with alkali metal chlorides on lanthanide (i.e. its atomic number and concentration) seems strongly related to stability of chloride complex anions of lanthanides in the melt. Investigated systems may be divided into two classes. The first class includes MCl-NdCl3 systems (M: Li, Na) characterized by decrease of bNd with increase of NdCl3 concentration. The second includes KCl-LnCl3 systems (Ln: La, Nd, Dy) and presented here CsCl-NdCl3 system, and is characterized by increase of bLn with concentration of Ln3+ cation. The dependence of bNd on NdCl3 concentration at 1073 K was fitted (as for other systems) by a simple equation of the form: bLn = bLn0 + a (1 - yLnC l3)2, where bLn0 is the internal mobility of Ln3+ cations in pure molten LnCl3, a the difference between internal mobility of Ln3+ cations in pure molten LnCl3 and infinitely diluted LnCl3 in molten alkali metal chloride (extrapolated), and yLnC l3 is the equivalent fraction of LnCl3.

Effect of residual stress on the optical properties of CsCl thin films

Kumar, Kuldeep,Arun,Ravi Kant, Chhaya,Mehra,Makinistian,Albanesi

, p. 163 - 169 (2010/06/18)

Large band gap alkali halides are known to have interesting optical properties. Though expected to be transparent in nature, defects in the crystal structure results in alkali halides having colors. The defects gives rise to new energy levels in the band structure, called color centers. Defects are easily generated on film fabrication and hence study of alkali halides promise to be interesting. In this manuscript we report the optical properties of cesium chloride (CsCl) thin films. We have correlated the optical properties of the films with the lattice size of the polycrystalline films, thus highlighting the strong relationship between the structure and optical properties of alkali halide films.

Absolute rate data for halogen atom-abstraction reactions of ground state atomic caesium, Cs(6 2S1/2) determined by time-resolved laser-induced fluorescence [Cs(7 2P3/2 - 6 2S1/2); λ = 455.5 nm] Following pulsed irradiation

De Silva,Husain

, p. 775 - 789 (2007/10/03)

Absolute rate data are reported for reactions of ground state atomic caesium, Cs(62S1/2), with a wide range of allcyl chlorides and bromides at elevated temperatures following the broad band pulsed generation of the heavy alkali atom from CsI vapour in the presence of the halogenated reactants and excess helium buffer gas. Cs(6 2S1/2) was monitored by laser-induced fluorescence (LIF) in the time-domain using the shorter wavelength component of the Rydberg doublet transition at λ = 455.5 nm [Cs(7 3P3/2 - 6 2S1/2)]. The LIF signals were captured in digital form and subject to computerised analysis. The following second-order rate constants are reported for reaction at essentially single elevated temperatures: kR/cm3 molecule-1 s-1 CH3Cl (6.7 ± 0.1) × 10-12 (860 K); C3H7Cl (8.7 ± 0.1) × 10-12 (855 K); C4H9Cl (1.1 ± 0.1) × l0-11 (855); C5H11Cl (8.2 ± 0.1) × 10-12 (855 K); C6H13Cl (3.9 ± 0.1) × 10-12 (855 K); C7H15Cl (4.5 ± 0.1) × 10-12 (856 K); C3H7Br (1.7 ± 0.1) × 10-11 (855K); C4H9Br (1.2 ± 0.1) × 10-11 (856K); C5H11Br (1.5 ± 0, 1) × 10-11 (855K); C6H13Br (5.9 ± 0.1) × 10-12 (856 K); C7H15Br (5.9 ± 0.1) × 10-12 (856K). With the exception of CH3Cl, these represent a new body of absolute rate data for atomic caesium reported by any-method. All the reactions reported here are exothermic though values of the appropriate thermochemistry cannot be accurately assigned in many cases as, whilst these may be sensibly estimated, the bond dissociation energies are not fully established. The rate data for the reaction of this alkali atom, characterised by a low ionisation potential, are mostly compared with absolute rate data for the lighter but heavy atomic rubidium, Rb(5 2S1/2), which has also a low ionisation potential. The diffusional behaviour of Cs(6 1S1/2) in He and Kr are also reported in this study.

Heats of solution/substitution of Tl+, Rb+, K+, Br-, I- in crystalline CsCl from heats of solid phase transition by differential scanning calorimetry

Secco,Secco

, p. 1669 - 1675 (2008/10/08)

Measurements of the change in heat (enthalpy) of transition in crystalline CsCl effected by the presence of guest ions K+, Rb+, Tl+, Br-, I- using differential scanning calorimetry are reported. The n

An improved method for product separation in metathetical reactions and its demonstration for the synthesis of anhydrous cesium salts

Haiges, Ralf,Christe, Karl O.

, p. 1717 - 1718 (2008/10/08)

In conventional metathetical reactions, product separation is based on solubility product differences, and the resulting products are often impure and require purification by recrystallization. A new approach to product separation is described that relies on the formation of an unstable, volatile by-product, such as NH4+CH3O-. This method provides very pure and anhydrous products in high yield and was demonstrated successfully for the syntheses of anhydrous cesium salts.

Saturation vapor pressure over CsMnCl3 at high temperatures

Kostenko,Kritskaya,Moisov,Burylev

, p. 849 - 851 (2007/10/03)

The saturation vapor pressure over the binary CsCl-MnCl2 system was measured by the boiling-point method. The saturation vapor pressure was described by the equation logp = (-9244 ± 33)/Τ + (10.726 ± 0.026) over the temperature range from 1150 to 1500 K. The enthalpy (176.9 kJ/mol) and entropy [109.5 J/(mol K)] of evaporation and the normal boiling point of CsMnCl3 (1616 K) were determined. An equation of the temperature dependence of the vapor pressure over solid CsMnCl3 was obtained.

Cocrystallization of Radioiodine Compounds from the Gas Phase

Kulyukhin, S. A.,Mikheev, N. B.,Kamenskaya, A. N.,Melikhov, I. V.,Rumer, I. A.,Novichenko, V. L.

, p. 580 - 585 (2008/10/08)

The study of the behavior of (137)Cs(131)I in the presence of MCl (M = NH4(1+), K(1+), Ag(1+), and Cu(1+)) in the water vapor-gas phase showed that CsI aerosols are localized in the MCl matrix owing to both agglomeration cocrystallization [(137)Cs(131)I-MCl systems (M = K(1+), Ag(1+), NH4(1+))] and agglomeration capture [(137)Cs(131)I-CuCl system]. The main advantage of the first process is formation of crystalline globules encapsulating radioiodine in their bulk, which prevents transformation of radioiodine into elemental iodine and methyl iodine.

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