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Cesium iodide

analytical standard, suitable for mass spectrometry (MS)

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About This Item

Empirical Formula (Hill Notation):
CsI
CAS Number:
7789-17-5
Molecular Weight:
259.81
EC Number:
232-145-2
MDL number:
MFCD00010962
UNSPSC Code:
41116107
PubChem Substance ID:
329752071
NACRES:
NA.24

Quality Level

100

grade

analytical standard

assay

99.999%

technique(s)

mass spectrometry (MS): suitable

mp

626 °C (lit.)

density

4.51 g/mL at 25 °C (lit.)

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

format

neat

SMILES string

[I-].[Cs+]

InChI

1S/Cs.HI/h;1H/q+1;/p-1

InChI key

XQPRBTXUXXVTKB-UHFFFAOYSA-M

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General description

Cesium iodide is a simple ionic salt. It has the capacity to undergo second order transformation from cubic B2 structure to body-centered tetragonal structure at low pressures. It is mostly used as input screens of X-ray image intensifiers.

Application

Cesium iodide has been used as calibration standard during native electrospray ionization time-of-flight mass spectrometry (ESI-TOF MS) analysis for measuring protein samples, from protein aggregates.
Suitable as standard for electrospray ionisation MS (ESI)

Features and Benefits

Frequently used in devices such as phosphor screens for medical imaging, scintillators, calorimeters and a variety of particle detectors.

pictograms

Health hazardEnvironment
GHS08,GHS09

signalword

Warning

Hazard Classifications

Aquatic Acute 1 - Repr. 2

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCK4399
BCCH9822
BCCJ1282
BCCH2373
BCCJ7023

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P Thibault et al.
Rapid communications in mass spectrometry : RCM, 5(10), 484-490 (1991-10-01)
The direct coupling of capillary electrophoresis (CE) and mass spectrometry, combined with ionspray ionization using a coaxial capillary arrangement, is described. The CE/mass spectrometer interface is shown to be effective for the analysis of native and tryptic peptides and of
Wei Zhao et al.
Medical physics, 31(9), 2594-2605 (2004-10-19)
Columnar structured cesium iodide (CsI) scintillators doped with Thallium (Tl) have been used extensively for indirect x-ray imaging detectors. The purpose of this paper is to develop a methodology for systematic investigation of the inherent imaging performance of CsI as
J.F. Anacleto et al.
Org. Mass Spectrom., 27, 660-660 (1992)
Başak Kükrer et al.
Pharmaceutical research, 27(10), 2197-2204 (2010-08-04)
The aim of this study was to develop a method to characterize intact soluble monoclonal IgG1 antibody (IgG) oligomers by mass spectrometry. IgG aggregates (dimers, trimers, tetramers and high-molecular-weight oligomers) were created by subjecting an IgG formulation to several pH
E Knittle et al.
Science (New York, N.Y.), 223(4631), 53-56 (1984-01-06)
Cesium iodide, a simple ionic salt at low pressures, undergoes a second-order transformation at 40 gigapascals (400 kilobars) from the cubic B2 (cesium chloride-type) structure to the body-centered tetragonal structure. Also, the energy gap between valence and conduction bands decreases
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