Product Details
| Product Name: Cesium chloride | CAS No.: 7647-17-8 |
| EC-No.: 231-600-2 | Min. Order: 25kg |
| Purity: 99% | Supply Ability: 100 T/Month |
| Release date: 2026/07/31 |
Product Description
Caesium chloride (CsCl) is a colorless, inorganic salt that is a source of caesium ions. It has a crystal structure where each caesium ion is surrounded by eight chloride ions. CsCl is found naturally in carnallite, kainite, and sylvite, and is also produced from the mineral pollucite.
Cesium chloride is a multi-purpose chemical substance with a wide range of applications, mainly including: optical field.
Cesium chloride is used in the manufacture of optical components such as lenses, prisms and Windows due to its high refractive index and high light transmission, as well as in the manufacture of optical coatings to improve component performance.
Electronics industry. Cesium chloride's excellent electrical conductivity and stability make it a material for the manufacture of electronic components such as capacitors, resistors and transistors, and it is also used in the manufacture of ionic conductors and solid electrolytes.
Chemical industry. Cesium chloride can be used as catalyst and reaction medium for the preparation of other compounds, such as cesium chloride, rubidium chloride, etc. Analytical reagents. Cesium chloride is used for microscope analysis, spectral analysis and so on.
Other Applications. Including, but not limited to, wastewater treatment in the field of environmental protection, fertilizer additives in the field of agriculture, and solar cell manufacturing in the field of energy. In addition, cesium chloride is used in electronics for photocell design, in astronomical clocks for atomic resonance, and as a plasma source in magnetohydrodynamic and ion propulsion engines.
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Cesium chloride Quick Details
Chemical Name: Cesium chloride
CAS No.: 7647-17-8
Molecular Formula: ClCs
Molecular weight: 168.36
Appearance: white powder
Assay: 99%,99.9%,99.99%
Storage and use: Warehouse low temperature ventilation and drying.
Product Parameters
| CsCl min % | Impurity max % | |||||||||
| Li | Na | K | Rb | Ca | Mg | Fe | Al | Si | Pb | |
| 99.0 | 0.001 | 0.02 | 0.02 | 0.5 | 0.005 | 0.001 | 0.001 | 0.001 | 0.001 | 0.001 |
| 99.9 | 0.0005 | 0.002 | 0.005 | 0.05 | 0.002 | 0.0005 | 0.0005 | 0.0005 | 0.0005 | 0.0005 |
| 99.99 | 0.0005 | 0.001 | 0.001 | 0.003 | 0.001 | 0.0002 | 0.0002 | 0.0005 | 0.0 | |
Packaging & Shipping


Hebei Qujie Technology Co., Ltd. was established in 2021. It is a private enterprise integrating production, customization, sales, and trade. The company is located at No. 8 Jinhe East Road, Tongye Town, Luquan District, Shijiazhuang City. The factory has an elegant environment, complete equipment, and ample resources. The company possesses advanced technology and professional technical personnel. Since its establishment, the company's sales have steadily increased. The company adheres to the business philosophy of 'quality and price, customer first,' which is effectively reflected in its operations, and is committed to providing customers with sufficient supply and stable and reliable quality.
Business Philosophy: Integrity-based, win-win cooperation
Corporate Spirit: Integrity, gratitude, equality, mutual respect
Corporate Mission: Create opportunities for employees, create value for customers


We will do our best to satisfy you with:
1. Tailor-made for each customer.
2. Perform third-party tests on the products you need.
3. Test your counter samples and produce them for you.
4. Offer the best discount to regular customers.
5.24-hour service.
Company Profile Introduction
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