21004
Cesium iodide
analytical standard, suitable for mass spectrometry (MS)
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About This Item
Empirical Formula (Hill Notation):
CsI
CAS Number:
Molecular Weight:
259.81
NACRES:
NA.24
PubChem Substance ID:
UNSPSC Code:
41116107
EC Number:
232-145-2
MDL number:
grade
analytical standard
Quality Segment
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
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.
Features and Benefits
Frequently used in devices such as phosphor screens for medical imaging, scintillators, calorimeters and a variety of particle detectors.
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signalword
Warning
hcodes
Hazard Classifications
Aquatic Acute 1 - Repr. 2
Storage Class
13 - Non Combustible Solids
wgk
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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