CAESIUM IODIDE CAS#7789-17-5

Excellent Scintillation Performance: Cesium iodide and CsI(Tl) crystals provide high scintillation efficiency, making them ideal materials for detecting high-energy particles and ionizing radiation.

Superior X-ray Detection Capability: CsI(Tl) scintillator films exhibit excellent performance in X-ray imaging applications due to their strong X-ray response and efficient radiation conversion ability.

High Spatial Resolution Imaging: CsI(Tl) films offer high spatial resolution, enabling precise image capture and improved performance in advanced digital X-ray imaging systems.

Excellent Compatibility with Silicon Detectors: CsI(Tl) scintillators demonstrate good spectral matching with silicon-based readout arrays, supporting their wide application in modern photoelectric imaging technologies.

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Product Description

Product Description-CAESIUM IODIDE CAS#7789-17-5

Cesium iodide, abbreviated as CsI—along with other inorganic halides such as CsI(Tl)—is widely used as a scintillation medium in detectors for high-energy particles and ionizing radiation. Vacuum-deposited CsI(Tl) films were first employed for X-ray imaging within photoelectric converters.

Product Applications-CAESIUM IODIDE CAS#7789-17-5

Used in the pharmaceutical industry and also as an analytical reagent.

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Product Data

Chemical Properties-CAESIUM IODIDE CAS#7789-17-5

Product Name:	Cesium iodide
Synonyms:	Cesium iodide, 99.9%, for analysis;Cesium iodide, for analysis;Cesium Iodide (Metals Basis);Cesium iodide/ 99.99%;CESIUM IODIDE, 99.7%;tricesiumtriiodide;CESIUM IODIDE;CESIUM IODINE
CAS:	7789-17-5
MF:	CsI
MW:	259.81
EINECS:	232-145-2
Melting point	626 °C (lit.)
Boiling point	1280 °C
density	4.51 g/mL at 25 °C (lit.)
refractive index	1.7876
Fp	1280°C
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
solubility	soluble in ethanol, methanol, acetone
form	beads
Specific Gravity	4.51
color	White
PH	pH(50g/l, 25℃) : 5.0～9.0
Water Solubility	74 g/100 mL (20 ºC)
Specific Heat Capacity	Cp(crystal): 0.2 J/(g·K), at 25℃
Sensitive	Hygroscopic
Merck	14,2014
Dielectric constant	5.6(Ambient)
Stability:	Stable. Deliquescent.
Major Application	cleaning productscosmeticsflavors and fragrancesfood and beveragespersonal care
InChI	1S/Cs.HI/h;1H/q+1;/p-1
InChIKey	XQPRBTXUXXVTKB-UHFFFAOYSA-M
SMILES	[I-].[Cs+]
CAS DataBase Reference	7789-17-5(CAS DataBase Reference)
NIST Chemistry Reference	Cesium iodide(7789-17-5)
EPA Substance Registry System	Cesium iodide (CsI) (7789-17-5)

Safety Information-CAESIUM IODIDE CAS#7789-17-5

Hazard Codes	Xn,Xi
Risk Statements	36/37/38-42/43-43
Safety Statements	22-36/37-45
RIDADR	UN 3077 9 / PGIII
WGK Germany	2
RTECS	FL0350000
F	8
TSCA	TSCA listed
HazardClass	9
HS Code	28276000
Storage Class	13 - Non Combustible Solids
Hazard Classifications	Aquatic Acute 1Repr. 2
Toxicity	LD50 i.p. in rats: 1.4 g/kg (Cochran)

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