Description

Arsenic Trihydride, also known as arsine, is a highly toxic and flammable inorganic gas with the chemical formula AsH₃. This compound is critically important in the semiconductor and electronics industries for its role in epitaxial growth processes and as a doping agent. Industrial and research laboratories require it for specialized synthesis, materials science, and controlled chemical vapor deposition (CVD) applications.

Application

• Semiconductor Manufacturing: Key precursor for epitaxial growth of gallium arsenide (GaAs) and other III-V compound semiconductors.
• Electronics Doping: Used as a gaseous n-type dopant source in the production of silicon and germanium-based electronic components.
• Chemical Synthesis: Acts as a specialized reducing agent and arsenic source in organometallic and inorganic synthesis.
• Materials Science Research: Employed in chemical vapor deposition (CVD) and atomic layer deposition (ALD) for creating thin films and advanced materials.
• Metallurgical Processes: Used in certain metal refining and purification operations.

Basic Information

Product Name	Arsenic Trihydride
CAS No.	7784-42-1
Molecular Formula	AsH₃
Molecular Weight	77.95 g/mol
Synonyms	Arsine; Arsenic Hydride; Arseniuretted Hydrogen; Hydrogen Arsenide; Arsenous Hydride; Arsenic(III) Hydride
EINECS	232-066-3

Quality Control

Our Arsenic Trihydride is produced and handled under stringent quality protocols to ensure consistency and safety for high-tech applications. Each batch is analyzed for critical purity parameters, including gas concentration and trace impurity levels. A comprehensive Certificate of Analysis (COA) detailing assay, identity, and impurity profiles is provided to guarantee compliance with your technical specifications.

Storage

Preserve in a tightly closed, approved specialty gas cylinder in a cool, well-ventilated, and secure area. Due to its highly volatile and gaseous nature, cylinders must be stored upright and secured with valve caps in place. Store away from heat, ignition sources, and incompatible materials. Strict temperature control is recommended as per the Safety Data Sheet (SDS).

Specification

Item	Specification
Appearance (Gas)	Colorless
Odor	Faint, garlic-like
Assay (AsH₃)	≥ 99.995%
Identification (IR)	Conforms
Oxygen (O₂)	≤ 5 ppm
Nitrogen (N₂)	≤ 10 ppm
Carbon Dioxide (CO₂)	≤ 2 ppm
Moisture (H₂O)	≤ 3 ppm

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