Description

Arsenic(III) oxide is a high-purity inorganic compound essential for specialized industrial and research applications. This product is valued for its consistent quality and reliable performance as a precursor in advanced material synthesis and chemical processes. It serves critical roles in the semiconductor, glass manufacturing, and metallurgical industries, where precise material properties are paramount.

Application

• Semiconductor Manufacturing: Used as a doping agent and in the production of gallium arsenide (GaAs) wafers.
• Glass Production: Acts as a fining agent to remove bubbles and as a decolorizer in specialty glass and ceramics.
• Metallurgy: Employed in alloy formation and as an additive to improve the properties of non-ferrous metals.
• Wood Preservation: A key component in the formulation of copper chrome arsenate (CCA) for treated lumber (subject to regional regulations).
• Chemical Synthesis: Serves as a starting material or catalyst in various organic and inorganic chemical reactions.
• Research & Development: Utilized in analytical chemistry and materials science research.

Basic Information

Product Name	Arsenic(III) Oxide
CAS No.	22541-54-4
Molecular Formula	As2O3
Molecular Weight	197.84 g/mol
Synonyms	Arsenic trioxide; Diarsenic trioxide; Arsenous acid anhydride; Arsenous oxide; White arsenic; Claudelite (mineral); Arsenicum album; Ratsbane; Arsenic sesquioxide
EINECS	245-481-8

Quality Control

Our Arsenic(III) oxide is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as assay, heavy metal content, and loss on drying. The product meets relevant industry specifications for technical and high-purity grades.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White powder or lumps
Identification (IR)	Conforms
Assay (As2O3)	≥ 99.0 %
Loss on Drying	≤ 0.5 %
Residue on Ignition	≤ 0.1 %
Heavy Metals (as Pb)	≤ 10 ppm
Iron (Fe)	≤ 5 ppm

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