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Cesium iodide

Cesium iodide
Số CAS
7789-17-5
Khối lượng phân tử
259.81
Công thức phân tử / ký hiệu hóa học
CsI

Mô tả

White cubic crystal or powder, soluble in water and alcohol

Transmission range: 250 nm to 55 ?m

Refractive index: 1.739 at 10.6 ?m

Reflection loss: 13.6% @ 10.6 ?m (2 surfaces)

Cesium iodide

IUPAC name[hide]

Caesium iodide

Other names[hide]

Cesium iodide

Identifiers

CAS number

7789-17-5 YesY

ChemSpider

23003 YesY

EC-number

232-145-2

Jmol-3D images

Image 1

Properties

Molecular formula

CsI

Molar mass

259.81 g/mol

Appearance

white crystalline solid

Density

4.51 g/cm3, solid

Melting point

621 °C

Boiling point

1277±5 °C

Solubility in water

44 g/100 ml (0 °C)

Refractive index (nD)

1.739

Structure

Crystal structure

CsCl

Space group

Pm3m, No. 221

Lattice constant

a = 456.67 pm

Coordination
geometry

Cubic (Cs+)
Cubic (I?)

Hazards

EU Index

not listed

Flash point

non-flammable

Related compounds

Other anions

Caesium fluoride
Caesium chloride
Caesium bromide
Caesium astatide

Other cations

Lithium iodide
Sodium iodide
Potassium iodide
Rubidium iodide

 YesY (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

ỨNG DỤNG

For the X-ray image intensifier tube, scintillation crystal material, special electric light additives, special optical glass, pharmaceutical and analytical reagent.

Keywords:Electronic chemicals

Phiếu kiểm nghiệm

Product name

Cesium iodide

CAS:7789-17-5

Description

white crystalline solid

TEST ITEMS

TEST RESULTS

CsI

≥99.99%

High purity

Li

≤0.00005%

≤0.00005%

Na

≤0.0001%

≤0.00001%

K

≤0.0002%

≤0.0001%

Rb

≤0.002%

≤0.0005%

Ca

≤0.00005%

≤0.00002%

Mg

≤0.0001%

≤0.00005%

Sr

≤0.000%

≤0.0001%

Ba

≤0.001%

≤0.0005%

Fe

≤0.00005%

≤0.00002%

Al

≤0.00001%

≤0.00001%

Cr

≤0.0005%

≤0.00001%

Mn

≤0.0001%

≤0.00005%

SO4

≤0.0005%

≤0.0005%

P2O5

≤0.00005%

≤0.00005%

SiO2

≤0.00002%

≤0.00001%