Merck
All Photos(2)

21004

Supelco

Cesium iodide

analytical standard, suitable for mass spectrometry (MS)

Empirical Formula (Hill Notation):
CsI
CAS Number:
Molecular Weight:
259.81
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.24

Quality Level

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

Signal Word

Warning

Hazard Statements

Hazard Classifications

Aquatic Acute 1 - Repr. 2

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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