Products Description of Lithium Bromide Hydrate CAS#85017-82-9
Lithium bromide is a highly efficient water vapor absorbent and an effective air humidity regulator. A 54%–55% lithium bromide solution is used as an absorbent refrigerant.
Lithium bromide appears as a white crystalline solid or aggregate, with a melting point of 162–167°C (lit.) and a density of 3.464. It is stable under normal conditions but may be sensitive to moisture. Lithium bromide is incompatible with strong acids and strong oxidizing agents.
In organic chemistry, lithium bromide serves as a dehydrochlorinating agent and a swelling agent for organic fibers such as wool and hair. In the medical field, it is used as a hypnotic and sedative.
Lithium bromide is also used in photography, as an electrolyte in certain high-performance batteries, and as a chemical reagent.
Key Physical & Chemical Properties
| Property | Specification |
|---|---|
| Chemical Formula | LiBr·nH₂O (hydrate) |
| Appearance | White crystalline powder / granules |
| Solubility | Highly soluble in water |
| Hygroscopicity | Strongly hygroscopic |
| Application | Refrigerant absorbent / desiccant |
| Grades | Industrial / HVAC / reagent |
Main Applications
Absorption Refrigeration: Working fluid/absorbent in LiBr absorption chillers for HVAC and industrial cooling.
Desiccant: Moisture control in air drying and industrial dehumidification.
Chemical Reagent: Source of bromide ion and reagent in synthesis.
Pharmaceutical (trace): Historically used in sedation/anticonvulsant formulations (regulated).
