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Cesium Hydroxide Monohydrate...
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Cesium Hydroxide Monohydrate (chemical formula CsOH·H2O) is a highly reactive compound known as the strongest alkali. It is the raw material of cesium salts, organic reagents, and medical intermediate. Heeger Materials is a professional supplier and manufacturer of high-quality Cesium Hydroxide Monohydrate, offering competitive prices and customized solutions to meet specific requirements.
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| Density | 3.68 g/cm3 |
| Melting Piont | 272.3 ℃ |
| Molecular Formula | CsOH·H2O |
| Appearance | White Crystalline Powder |
| Molecular Weight | 167.93 g/mol |
| Purity | 99.0%| 99.9% |
| CAS | 35103-79-8 |
| Boiling Point | 100 ℃ at 760 mmHg |
Cesium Hydroxide Monohydrate (CsOH·H2O) is a white crystalline powder that is very hygroscopic. It is a water-soluble cesium source for use in oxygen-sensitive applications such as metal production.

Cesium Hydroxide Monohydrate | CsOH·H2O | CAS 35103-79-8 belongs to the cesium salts range and is selected for controlled chemical identity, assay, hydrate state, trace impurities and packaging appropriate for reactive or moisture-sensitive salts. It is commonly used in catalysts, scintillation and optical materials, specialty glass, laboratory synthesis, electronic materials and chemical research. When requesting a quote, confirm chemical formula, assay or purity, anhydrous or hydrate form, trace impurity and moisture limits, storage condition, documentation, packaging and quantity.
For material comparison or adjacent product forms, browse cesium salts, lithium salts and rubidium salts.
What information is needed to source Cesium Hydroxide Monohydrate | CsOH·H2O | CAS 35103-79-8? Please confirm the required purity, hydrate or anhydrous form, impurity and moisture limits, quantity, packaging, storage conditions, documentation and intended use for Cesium Hydroxide Monohydrate | CsOH·H2O | CAS 35103-79-8.
Chemical Composition | Content | ||
CsOH·H2O (%, ≥) | 99.0 | 99.9 | |
Impurities | Li | 0.001 | 0.0005 |
K | 0.1 | 0.005 | |
Na | 0.02 | 0.001 | |
Ca | 0.005 | 0.001 | |
Mg | 0.01 | 0.0005 | |
Fe | 0.001 | 0.0005 | |
Al | 0.005 | 0.001 | |
SiO2 | 0.005 | 0.002 | |
Rb | 0.5 | 0.005 | |
Heavy Metal (Pb) | 0.01 | 0.005 | |
Cesium Hydroxide Monohydrate (CsOH·H2O) should be stored in a sealed container in a dry and cool place, unexposed to air for an extended period. HM offers a 2-ply PE inner layer and an outer aluminum-plastic vacuum-sealed packaging including 100g/bag, 500g/bag, 1kg/bag, and 25kg/drum, or customized according to specific requirements.

Heeger Materials Inc., a professional supplier, and manufacturer of high-quality Cesium Group Salts including Cesium Hydroxide Monohydrate (CsOH·H2O), leverages extensive expertise in supply and export to offer competitive prices. We provide customized solutions to meet specific requirements, ensuring exceptional quality and customer satisfaction.
Heeger Materials Inc. was established in 2016 in Colorado, USA. We are a specialized supplier of premium-grade metals, alloys, ceramics, powders, and various other materials catering to research, development, and large-scale industrial production in scientific and industrial sectors.
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