Description

Arsenic(+5)Oxide Dihydrate CAS NO 12505-66-7 is a high-purity inorganic compound, also known as arsenic pentoxide dihydrate, serving as a critical precursor in advanced material synthesis and specialty chemical manufacturing. Its primary value lies in providing a controlled and reliable source of pentavalent arsenic for applications demanding precise stoichiometry and purity. This material is essential for industrial and research sectors involved in electronics, glass production, and the formulation of specialized reagents.

Application

• Glass Manufacturing: Used as a fining agent and decolorizer to remove bubbles and impurities, producing high-clarity optical and specialty glass.
• Semiconductor Industry: Acts as a doping agent and precursor in the production of gallium arsenide (GaAs) and other III-V compound semiconductors.
• Wood Preservation: A key component in the formulation of chromatized copper arsenate (CCA) and other preservative treatments.
• Chemical Synthesis: Serves as a starting material or catalyst in the synthesis of other arsenic compounds, pharmaceuticals, and organic chemicals.
• Ceramics & Pigments: Employed in the production of colored glazes, enamels, and specific ceramic pigments.
• Analytical Reagents: Used in laboratory settings for calibration standards and in specific analytical test methods.
• Herbicides & Pesticides: A historical component in certain agricultural chemical formulations.

Basic Information

Product Name	Arsenic(+5)Oxide Dihydrate
CAS No.	12505-66-7
Molecular Formula	As2O5·2H2O
Molecular Weight	289.82 g/mol
Synonyms	Arsenic Pentoxide Dihydrate; Diarsenic Pentoxide Dihydrate; Arsenic(V) Oxide Dihydrate; Arsenic Acid Anhydride Dihydrate; Arsenic Oxide (As2O5) Dihydrate
EINECS	Contact for details

Quality Control

Our Arsenic(+5)Oxide Dihydrate is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. Production adheres to relevant industrial standards, with comprehensive testing for identity, assay, and impurity profiles. A Certificate of Analysis (COA) detailing specific results is provided with each shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking or degradation. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	White crystalline powder or lumps
Identification (IR)	Conforms to standard
Assay (As2O5·2H2O)	≥ 98.0 %
Loss on Drying	≤ 2.0 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.02 %
Iron (Fe)	≤ 0.005 %
Heavy Metals (as Pb)	≤ 0.002 %

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