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- Chemical Name: Lithium hydroxide monohydrate
- CAS No.: 1310-66-3
- Molecular Fomula: ：Li.HO.H2O
- Molecular weight：41.96
- Appearance:White tetragonal crystal
- Sample：Available
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Description of 1-HYDRATE
- Lithium hydroxide is an inorganic compound with the formula LiOH. It is a white hygroscopic crystalline material. It is soluble in water and slightly soluble in ethanol, and is available commercially in anhydrous form and as the monohydrate (LiOH.H2O), both of which are strong bases. It is the weakest base among the alkali metal hydroxides.
Basic Info of 1-HYDRATE
Basic Info
Numbering system
Properties
Safety Info
Basic Info
| Chemical Name | Lithium hydroxide hydrate |
| Synonyms | Lithine hydrate; |
| CAS No. | 1310-66-3 |
| Molecular Formula | H3LiO2 |
| Molecular Weight | 41.96360 |
| PSA | 32.29000 |
| LogP | -0.24110 |
Numbering system
| MDL number | MFCD00149772 |
| EINECS number | 215-183-4 |
| RTECS number | OJ6307080 |
| PubChem number | 24896373 |
Properties
| Appearance & Physical State | colourless, hygroscopic crystals |
| Density | 1.51 |
| Boiling Point | 920ºC |
| Melting Point | 462ºC |
| Water Solubility | 109 g/L (20 ºC) |
| Stability | Stable. Incompatible with moisture. strong acids, carbon dioxide. Absorbs carbon dioxide from the air. |
| Storage Condition | Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Corrosives area. Store protected from moisture. |
Safety Info
| RTECS | OJ6307080 |
| Hazard Class | 8 |
| Safety Statements | S22-S26-S36/37/39-S45 |
| HS Code | 2825201000 |
| Packing Group | II |
| WGK Germany | 2 |
| RIDADR | UN 2680 |
| Risk Statements | R20/22; R35 |
| Hazard Codes | C |
| Signal Word | Danger |
| Symbol | GHS05, GHS07 |
| Hazard Declaration | H302; H314 |
| Caution Statement | P260; P280; P301 + P312 + P330; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338 |
What is Lithium hydroxide monohydrate?
- 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 Lithium hydroxide monohydrate which has developed particularly rapidly in recent years. Do you know about Lithium hydroxide monohydrate?
- The official answer：Lithium hydroxide is a strong base with chemical properties more similar to group 2 hydroxides in the periodic table, and more different from group 1 hydroxides. It is white tetragonal crystals, strongly corrosive and irritating to the skin, melting point 450℃, the relative density of 1.46. decomposition temperature 924℃. Slightly soluble in ethanol, soluble in water, but the solubility is lower than that of other alkali metal hydroxides. After absorbing, moisture in the air or when crystallized in an aqueous solution is obtained monohydrate. Reacts with sulfur dioxide, hydrogen chloride, hydrogen cyanide, and other acidic gases. Can also react completely with strong or weak acids in an aqueous solution. Absorbs carbon dioxide in the air to form lithium carbonate.
What’s the application of Lithium hydroxide monohydrate?
- Lithium hydroxide is used as grease additives (thickener, antioxidant, extreme pressure agent), which can improve heat resistance, water resistance, stability, and mechanical properties, and can be used in the bearings of automobiles, aircraft, cranes, etc.; used as the electrolyte raw material for lithium batteries. After roasting, solid lithium hydroxide can be used as carbon dioxide absorbent for the crew of spacecraft, submarines, etc. The early Mercury, Gemini, and Apollo programs and space shuttles in the United States used lithium hydroxide absorbent with reliable performance, which can easily absorb carbon dioxide in the gas containing water vapor. Its chemical reaction formula is: 2LiOH + CO2 → Li2CO3 + H2O, 1g of anhydrous lithium hydroxide can absorb 450ml of carbon dioxide, a person needs only 750g a day is enough to absorb all the exhaled carbon dioxide. In addition, lithium hydroxide is also widely used in the preparation of other lithium compounds and lithium salt raw materials, lithium soap, lithium grease, alkyd resin, spectroscopic analysis of the unfolding agent, alkaline battery additive, photographic developer, and catalyst. It is used as an additive in the electrolyte of alkaline batteries, which can increase the electric capacity by 12% to 15% and improve the service life by 2 to 3 times.
Conclusion
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