Description

Arsenic (III) Selenide is a high-purity inorganic compound with the chemical formula As₂Se₃. This material is valued for its unique semiconducting and optical properties, making it a critical component in advanced technological applications. It is primarily utilized in the electronics, photonics, and specialized glass manufacturing industries where precise material characteristics are essential.

Application

• Infrared (IR) Optics: A key material for lenses, windows, and optical fibers in thermal imaging and laser systems due to its excellent transmission in the infrared spectrum.
• Chalcogenide Glass Production: Serves as a fundamental component in the synthesis of arsenic-selenium glasses used for their unique photoconductive and amorphous semiconductor properties.
• Semiconductor Research & Development: Used in thin-film transistors, photodetectors, and phase-change memory devices for next-generation electronics.
• Photoresist and Photolithography: Employed in specialized photoresist formulations for microfabrication and patterning processes.
• Chemical Vapor Deposition (CVD): Acts as a precursor for depositing high-quality arsenic selenide thin films on various substrates.
• Specialty Alloys and Compounds: Used as an additive to modify the electrical or thermal properties of other materials in metallurgy and materials science.

Basic Information

Product Name	Arsenic (III) Selenide
CAS No.	1303-36-2
Molecular Formula	As₂Se₃
Molecular Weight	386.72 g/mol
Synonyms	Arsenic Triselenide; Diarsenic Triselenide; Arsenic(3+) Selenide; Arsenious Selenide; As₂Se₃; Selenium Arsenide; Arsenic Selenide (As₂Se₃)
EINECS	215-116-4

Quality Control

Our Arsenic (III) Selenide is manufactured under stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency, meeting the exacting requirements of advanced material applications. Certificates of Analysis (COA) detailing purity, impurity profiles, and physical characteristics are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong alkalis and incompatible organic solvents. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Dark gray to black crystalline pieces or powder
Identification (IR)	Conforms
Assay (As₂Se₃)	≥ 99.9%
Trace Metals (ICP-MS)	≤ 100 ppm total
Particle Size (Optional)	Customizable (e.g., -100 mesh, -325 mesh)

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