Description

Lanthanum Oxysulfide CAS NO 12031-43-5 is an inorganic compound consisting of lanthanum, oxygen, and sulfur, known for its unique optical and electronic properties. This material is critical for applications requiring high-performance phosphors and specialized ceramic components. It is primarily utilized by manufacturers in the electronics, lighting, and advanced materials sectors seeking reliable, high-purity raw materials for their production processes.

Application

• Phosphor Host Material: A key component in the formulation of X-ray intensifying screens and cathode-ray tube phosphors.
• Solid-State Lighting: Used in the development of specialized luminescent materials for LED and other lighting technologies.
• Advanced Ceramics: Serves as a dopant or primary material in the production of high-temperature and corrosion-resistant ceramics.
• Catalyst Systems: Employed as a catalyst or catalyst support in certain petrochemical and refining processes.
• Optical Coatings: Utilized in thin-film applications for specialized optical devices due to its refractive properties.
• Research & Development: A valuable compound for academic and industrial research in materials science and solid-state chemistry.

Basic Information

Product Name	Lanthanum Oxysulfide
CAS No.	12031-43-5
Molecular Formula	La2O2S
Molecular Weight	373.81 g/mol
Synonyms	Lanthanum Oxide Sulfide; Lanthanum(III) Oxysulfide; Dilanthanum Dioxygen Sulfide; Lanthanum Oxosulfide; Lanthanum Sulphoxide; La2O2S; Lanthanum Sesquioxide Sulfide
EINECS	234-764-3

Quality Control

Our Lanthanum Oxysulfide is produced under a rigorous quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed for key parameters including chemical composition, particle size distribution, and impurity content. A Certificate of Analysis (COA) detailing these results is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be kept under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to pale yellow powder
Identification (XRD)	Conforms to structure
Assay (La2O2S)	≥ 99.9%
Particle Size (D50)	1-10 µm (customizable)
Loss on Ignition	≤ 1.0 %
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.