Raw Materials Supply Chemical Raw Materials CAS 7789-17-5 Cesium Iodid

• Customization: Available
• Type: Perovskite
• Appearance: Liquid
• Model NO.: yh-dhy
• Grade Standard: Industrial Grade
• Purity: 99%
• Environmental Protection: Yes
• Freight1: Small Quantity Logistics or Air Transport
• Freight2: Pick up
• Freight3: Ocean Freight
• Free Sample: Available
• Belong: Yuhan Chem
• Lead Time: Within 7 Days
• Storagemethod: Sealed Container
• Packaging: Sealed Packaging
• Odor: Odorless
• MOQ: 1kg
• Port1: Chongqing
• Storage2: Cool Dry Place
• Stability: Excellent
• Transport Package: Customizable
• Specification: barrel
• Trademark: Customizable
• Origin: China
• HS Code: 2827600000
• Production Capacity: 2000ton/Year

Product Description

 

Product Parameters

Parameter	Details
Chemical Formula	CsI
Molecular Weight	259.81 g/mol
Appearance	Colorless to pale - yellow, hygroscopic crystals
Crystal Structure	Cubic (cesium chloride - type structure)
Melting Point	621 °C
Boiling Point	1280 °C
Density	4.51 g/cm³
Solubility in Water	Highly soluble, 44.1 g/100 mL at 20 °C
Solubility in Other Solvents	Soluble in methanol, ethanol, and acetone
Electrical Conductivity	Poor conductor in the solid state, but a good conductor in the molten state or in aqueous solution due to the presence of mobile ions
Refractive Index	1.787 (for sodium - D light at 20 °C)
Stability	Stable under normal conditions, but is hygroscopic and can absorb moisture from the air

 

 

 

Product Description

• In the Field of Radiation Detection

• Scintillation Detector Material: CsI is widely used as a scintillation material in radiation detectors. When exposed to ionizing radiation such as gamma - rays or X - rays, CsI crystals emit visible light through a scintillation process. This property allows it to convert high - energy radiation into detectable light signals, which can be further processed by photomultiplier tubes or other light - sensing devices to measure the intensity and energy of the incident radiation. It is commonly used in medical imaging, nuclear physics research, and environmental radiation monitoring.
• Thermoluminescent Dosimeter (TLD): CsI can also be used in TLDs. When irradiated, CsI traps energy in its crystal lattice. Upon heating, this trapped energy is released as light, and the amount of light emitted is proportional to the radiation dose received. TLDs based on CsI are used for personal radiation dosimetry in industries such as nuclear power, medicine, and aerospace to monitor the cumulative radiation exposure of workers.

• In the Field of Optics

• Optical Windows and Prisms: CsI has a high transparency in the infrared and visible light regions. It is used to manufacture optical windows and prisms for various optical instruments. Its excellent optical properties, such as low dispersion and high transmittance, make it suitable for applications where precise light transmission and manipulation are required, such as in spectrometers, telescopes, and infrared imaging systems.
• Phosphor in Cathode - Ray Tubes (CRTs): In the past, CsI was used as a phosphor in CRTs. When an electron beam strikes the CsI - coated screen, it emits light, forming the images on the screen. Although CRTs have been largely replaced by other display technologies, CsI's phosphor properties were once important in the development of television and computer monitors.
• Epitaxial Growth: CsI can be used as a substrate or in the growth process of certain semiconductor materials. It provides a suitable surface for the epitaxial growth of thin - film semiconductors, helping to control the crystal structure and orientation of the grown layers. This is important for the fabrication of high - quality semiconductor devices such as transistors, diodes, and integrated circuits.
• Dopant in Semiconductors: CsI can also be used as a dopant in some semiconductor materials. By introducing CsI into the semiconductor lattice, the electrical and optical properties of the semiconductor can be modified. This is often done to control the conductivity, carrier concentration, and other characteristics of the semiconductor for specific device applications.

• In the Field of Medicine

• Contrast Agent in X - Ray Imaging: CsI - based materials can be used as contrast agents in X - ray imaging. The high atomic number of cesium and iodine makes CsI effective in absorbing X - rays, enhancing the contrast between different tissues in the body. This allows for better visualization of internal structures during medical examinations such as radiography and computed tomography (CT) scans.

• In the Field of Semiconductor Industry

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Packaging & Shipping

 

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Company Profile

FAQ

Q1: Can I get some samples?
A: Yes, sure. Usually, we can provide free samples for less than 5 kg, but the customer needs to pay for the shipping.

Q2: What is your MOQ?
A: The minimum order quantity varies for different products, with most requiring a minimum of 1 ton. However, we can accommodate smaller quantities, such as 100kg, with a 100% sample charge.

Q3: How to confirm product quality before placing an order?
A: You can obtain free samples of the products, but you need to cover the shipping fee or arrange for the samples to be sent to us by express. Additionally, you can provide us with your product specifications and requirements, and we will manufacture the products accordingly.

Q4: Is there a discount for bulk purchases? How much is the discount?
A: Yes, we offer discounts for bulk purchases. The discount is determined by evaluating factors such as purchase volume, product type, and cooperation period. Generally, the larger the purchase volume, the greater the discount.

Q5: How do I start paying?
A: Payment can be made by wire transfer, Western Union, PayPal, Visa, Mastercard, T/T, Apple Pay, Google Pay, etc.

Q6: What is the shipping time?
A: We ship the products out within 1-3 days and provide a tracking number. Shipping time varies by country.

Q7: What qualifications and certifications does the company have? Such as ISO certification, etc.
 A: Our supply manufacturers hold several authoritative certifications to ensure our products and services meet international standards and industry regulations. This includes the ISO 9001 Quality Management System certification, which indicates we have reached internationally recognized levels in product quality control, production process management, and continuous improvement, providing stable and reliable quality assurance for customers.

Q8: How about the after-sale service of products?
A: After purchasing products from our company, you will be supported by our professional technical team and after-sales team, who will help solve any problems you may encounter.