0102030405
High Purity La2S3 Lanthanum Sulfide Powder CAS 12031-49-1
Properties
- Purity: 99% (REO), 99.9% (REO) availableForm: Orange/yellow crystalline powderDensity: 4.911 g/cm³Molecular Weight: 374.01 g/molCrystal Structure: Orthorhombic (Gd₂S₃-type)
Products Usage
1. Phosphor Industry:
Lanthanum sulfide is widely used in the phosphor industry. When doped with certain rare - earth elements, it can emit light of specific wavelengths when excited. This property is exploited in the production of fluorescent lamps, cathode - ray tubes, and some types of LEDs. In fluorescent lamps, for example, La₂S₃ - based phosphors help convert ultraviolet light into visible light, enabling efficient illumination.
2. Ceramics and Refractory Materials:
In the ceramics industry, La₂S₃ can be added to ceramic formulations to improve their mechanical and thermal properties. It can enhance the hardness, toughness, and thermal shock resistance of ceramics. In refractory materials, which are used in high - temperature environments like furnaces and kilns, La₂S₃ contributes to the material's ability to withstand extreme heat without deformation or degradation.
3. Catalysis:
La₂S₃ shows catalytic activity in certain chemical reactions. It can act as a catalyst or a catalyst support in reactions such as hydrodesulfurization, where it helps in the removal of sulfur compounds from fuels. Its unique surface properties and chemical reactivity make it an effective component in catalytic systems, promoting chemical reactions at lower temperatures and with higher efficiency.
Packing:
Our normal packaging is 25kgs/Drum
The packaging can be customized. the shipping term can be by sea, by air, and sample or small quantity can be shipped by DHL, FEDEX, EMS and TNT.
Remark: Chemical composition and size can be optimized by the customers' requirements

Conditions for safe storage, including any incompatibilities
Separated from ammonia, strong hydrogen peroxide solutions and strong acids.
Safety Protection
Precautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.




