Description

Claudetite is an inorganic arsenic trioxide mineral with the chemical formula As₂O₃. This high-purity compound is a critical raw material in specialized industrial and research applications where precise arsenic content is required. It serves as a fundamental precursor in metallurgy, electronics, and the synthesis of other arsenic-based chemicals for global manufacturing sectors.

Application

• Glass Manufacturing: Used as a fining agent to remove bubbles and as a decolorizer to counteract the green tint from iron impurities.
• Electronics & Semiconductors: Acts as a crucial doping agent for silicon and germanium to modify electrical properties in semiconductor devices.
• Metallurgy: Employed in alloy production and as an additive to improve the properties of metals like lead and copper.
• Chemical Synthesis: Serves as a primary starting material for the production of various arsenic compounds, including pesticides, herbicides, and wood preservatives.
• Ceramics & Pigments: Utilized in the formulation of specific ceramic glazes and historically in certain pigments.
• Research & Development: Essential for analytical chemistry, material science research, and as a standard or reagent in laboratory settings.

Basic Information

Product Name	Claudetite
CAS No.	13473-03-5
Molecular Formula	As₂O₃
Molecular Weight	197.84 g/mol
Synonyms	Arsenic(III) oxide; Arsenous oxide; Diarsenic trioxide; Arsenic sesquioxide; White arsenic; Arsenolite (cubic polymorph); Arsenic trioxide; Arsenous acid anhydride
EINECS	215-481-4

Quality Control

Our Claudetite is produced and handled under strict quality management protocols 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. Our quality systems are designed to meet the rigorous demands of industrial and research applications, ensuring reliable performance and traceability.

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 light-sensitive; containers must be kept tightly sealed to prevent absorption of atmospheric moisture and degradation.

Specification

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

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