Cesium iodide CAS# 7789-17-5

Cesium iodide, Promotion Season Now in Store and Free Sample for Testing with Factory Price
  • Appearance: White crystal.
  • Assay: 99.9%min.
  • Packaging: 25kg/drum.
  • Sample: Available.

Quality Control of Cesium iodide

Chemical Structure
Cesium iodide CAS# 7789-17-5
Packing of Cesium iodide

Description of Cesium iodide

Cesium iodide (chemical formula CsI) is the ionic compound of cesium and iodine. It is often used as the input phosphor of an x-ray image intensifier tube found in fluoroscopy equipment. Cesium iodide photocathodes are highly efficient at extreme ultraviolet wavelengths.
An important application of cesium iodide crystals, which are scintillators, is electromagnetic calorimetry in experimental particle physics. Pure C is a fast and dense scintillating material with a relatively high light yield. It shows two main emission components: one in the near-ultraviolet region at the wavelength of 310 nm and one at 460nm. The drawbacks of CsI are a high-temperature gradient and a slight hygroscopicity.
Cesium iodide is used as a beamsplitter in Fourier transform infrared (FTIR) spectrometers. It has a wider transmission range than the more common potassium bromide beamsplitters, extending its working range into the far-infrared. However, optical-quality CsI crystals are very soft and hard to cleave or polish. They should also be coated (typically with germanium) and stored in a desiccator, to minimize interaction with atmospheric water vapors.
Cesium iodide atomic chains can be grown inside double-wall carbon nanotubes. Accurate measurements reveal that in such chains I atoms appear brighter than Cs atoms despite having a smaller mass. This difference was explained by the charge difference between Cs atoms (positive), inner nanotube walls (negative), and I atoms (negative). As a result, Cs atoms are attracted to the walls and vibrate more strongly than I atoms, which are pushed toward the nanotube axis.

Basic Info of Cesium iodide

Basic Info
Chemical Namecesium,iodide
Synonyms

Tricesium triiodide;Cesium iodide (Cs2I2);Cesium iodide (CsI);CESIUM IODIDE;Cesium iodide (Cs3I3);Expand

CAS No.7789-17-5
Molecular FormulaCsI
Molecular Weight259.81000
PSA0.00000
LogP-2.99600

 

Safety Info
RTECSFL0350000
Safety StatementsS22-S36/37-S45
HS Code2827600000
WGK Germany2
Risk StatementsR36/37/38; R42/43
Hazard CodesXn
SymbolGHS07
Hazard DeclarationH315; H317; H319; H335
Signal WordWarning
Caution StatementP261; P280; P305 + P351 + P338

 

Properties
Appearance & Physical Statewhite crystalline powder
Density4.51
Boiling Point1280ºC
Melting Point626ºC
Flash Point1280ºC
Refractive Index1.7876
Water Solubility74 g/100 mL (20 ºC)
StabilityStable. Deliquescent.
Storage ConditionKeep container closed when not in use. Store in a tightly-closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

 

Numbering system
UNIIU1P3GVC56L

 

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What is Cesium iodide?

 With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Cesium iodide which has developed particularly rapidly in recent years. Do you know about Cesium iodide?

 

The official answer: Cesium iodide is a colorless crystal or white powder with a density of 4.51g/cm³, melting point 621℃, boiling point 1280℃, soluble in water (44g/100ml, 0℃; 74g/100ml, 20℃) and alcohols. Cesium iodide will have a sky blue flame color when burned on the flame. Cesium iodide has the crystalline form of cesium chloride. Infrared spectrometer prism, X-ray fluorescence screen, scintillation counter.

What’s the application of Cesium iodide?

Cesium iodide is a colorless crystal or white powder with a density of 4.51g/cm³, melting point 621℃, boiling point 1280℃, soluble in water (44g/100ml, 0℃; 74g/100ml, 20℃) and alcohols. Cesium iodide will have a sky blue flame color when burned on the flame. Cesium iodide has the crystalline form of cesium chloride. Infrared spectrometer prism, X-ray fluorescence screen, scintillation counter.

Conclusion

Sincere to the customer and in good faith of quality is our forever followed motto. It’s the basement to be a human and do business. We take all responsibility for our products and service sincerely. We are a company integrating R&D, production, and sales. The design, research, and development of pharmaceutical intermediates including more than 330 kinds of pharmaceutical intermediates such as Anti-infectives, Cardiovascular and Cerebrovascular Systems, Digestive systems, Santi-tumor, Nervous systems, Geriatric Drugs, and Gynecological Drugs. At the same time, we have more than 4,000 factories in strategic cooperation with nearly 50,000 chemical products, so we can provide you with a one-stop purchasing service, which greatly saves customers’ procurement costs and time.

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