Description

Oxoantimony CAS NO 39873-41-1 is a specialized inorganic antimony compound valued for its role as a precursor and catalyst in advanced material synthesis. Its controlled reactivity and purity make it a critical component for ensuring consistent performance in high-tech manufacturing processes. This product is essential for industries focused on electronics, specialty glass, and flame retardant formulations, where material integrity is paramount.

Application

• As a precursor material for the deposition of antimony-containing thin films in semiconductor and photovoltaic device manufacturing.
• Key component in the production of specialty optical glasses and ceramics, where it modifies refractive index and thermal properties.
• Acts as a catalyst or co-catalyst in specific organic synthesis and polymerization reactions.
• Used in the formulation of advanced flame retardant systems for plastics and textiles.
• Employed in research and development for novel energy storage materials, such as battery anodes.
• Starting material for the synthesis of other high-purity antimony compounds and coordination complexes.

Basic Information

Product Name	Oxoantimony
CAS No.	39873-41-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Antimony Oxide; Antimony Trioxide (related); Diantimony Trioxide; Antimony(3+) Oxide; Senarmontite; Valentinite; Antimony Sesquioxide; ATO
EINECS	Contact for details

Quality Control

Our Oxoantimony is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including assay and impurity profile analysis. 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, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids and reducing agents. This material is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (Sb2O3 basis)	≥ 99.0%
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Arsenic (As)	≤ 5 ppm
Particle Size (D50)	Contact for details

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