Overview
Lithium hydroxide monohydrate (CAS 1310-66-3 ) is a high-purity inorganic base used across battery manufacturing, industrial chemistry, and specialty lubrication. Its controlled alkalinity and reactivity profile make it a preferred source of lithium.
In processes where anhydrous forms would introduce handling or reactivity complications, this monohydrate form is preferred. In lithium-ion battery production, it serves as a precursor for cathode active materials.
Consistent purity directly impacts cell performance in materials such as LiNiMnCoO₂ (NMC) and LiNiCoAlO₂ (NCA). Lubricant manufacturers use it to saponify fatty acids, producing lithium-based greases.
These greases outperform conventional soaps in high-temperature and high-load applications. In water treatment, it adjusts pH in closed-loop systems, particularly in nuclear and industrial cooling circuits.
Precise alkalinity control prevents corrosion in these sensitive environments. Pharmaceutical and specialty chemical producers also use it as a catalyst or base in synthesis steps requiring a soluble lithium source.
Lithium hydroxide monohydrate is supplied as a white granular powder or fine powder. Particle size is selected based on dissolution rate requirements, with standard commercial grades including technical and battery-grade.
For pharmaceutical applications, USP -grade material is available to meet strict regulatory requirements. Battery-grade specifications are increasingly the benchmark for procurement in the modern market.
These grades feature tightly controlled limits on sodium, calcium, and sulfate content. This ensures the highest level of performance and stability in advanced chemical manufacturing and energy storage applications.
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Physical Properties
| Melting Point | 450 °C |
| Boiling Point | 920 °C |
| Density | 1.51 g/cm³ |
| Appearance | white crystals or pellets |
| Color | White to cream or yellow |
| Odor | Odorless |
| Form | Solid |
| Water Solubility | 109 g/L (20 ºC) |
| pH | ~12 (25℃, 1M in H2O) |
Safety & Handling
Danger GHS05 GHS06 GHS07 GHS08 Hazard Statements H301 Toxic if swallowed H302 Harmful if swallowed H311 Toxic in contact with skin H314 Causes severe skin burns and eye damage H318 Causes serious eye damage H331 Toxic if inhaled H361 Suspected of damaging fertility or the unborn child H370 Causes damage to organs H372 Causes damage to organs through prolonged or repeated exposure H373 May causes damage to organs through prolonged or repeated exposure H301+H311 Toxic if swallowed or in contact with skin Precautionary Statements P203 Obtain, consult and follow expert instructions for use. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P262 Do not get in eyes, on skin, or on clothing. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P316 Get emergency medical help immediately. P317 Get emergency medical help. P318 IF exposed or concerned, get medical advice. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P330 Rinse mouth. P363 Wash contaminated clothing before reuse. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P301+P316 Get emergency medical help immediately. P301+P317 Get emergency medical help. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P308+P316 Get emergency medical help immediately. P361+P364 Take off immediately all contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P301+P330+P331 Rinse mouth. Do NOT induce vomiting. P302+P361+P354 IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower. P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 28252000 |
| UN Number | 2680 |
| ADR Class | 8 |
| Packing Group | II |
| Storage Class | 8A - Combustible corrosive hazardous materials |
| WGK (Germany) | 2 |
Other Names
Related Products
Chemical Properties
- CAS Number
- 1310-66-3
- EC Number
- 603-454-3
- Mol. Weight
- 42.0
- HS Code
- 28252000
- Category
- Flame Retardants