Description

Selenium Trioxide is a critical inorganic compound widely utilized as a versatile precursor and oxidizing agent in advanced chemical synthesis. Its high reactivity and purity make it an essential material for producing specialized selenium compounds and catalysts. This product is primarily sought by manufacturers in the electronics, fine chemical, and research sectors for applications requiring precise and controlled oxidation processes.

Application

• Chemical Synthesis: Acts as a key precursor and oxidizing agent in the production of other selenium compounds and specialty chemicals.
• Catalyst Manufacturing: Used in the formulation of catalysts for various organic reactions and industrial processes.
• Electronics Industry: Employed in the deposition of selenium-containing thin films and in semiconductor research and development.
• Laboratory Research: Serves as a high-purity reagent for academic and industrial R&D in inorganic and materials chemistry.
• Glass & Ceramics: Used as a doping agent or additive to modify the optical or electrical properties of specialty glasses and ceramic materials.
• Analytical Chemistry: Functions as a standard or reagent in specific analytical methods for selenium determination.

Basic Information

Product Name	Selenium Trioxide
CAS No.	13768-86-0
Molecular Formula	O3Se
Molecular Weight	126.96 g/mol
Synonyms	Selenium(VI) oxide; Selenium oxide (SeO3); Selenic anhydride; Selenium trioxide, solid; Trioxoselenium
EINECS	237-385-1

Quality Control

Our Selenium Trioxide is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. We are committed to meeting the stringent requirements of our global B2B partners across research and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, store in a cool, dry, and well-ventilated area. Keep the container tightly sealed under an inert atmosphere when not in use to prevent degradation. Store away from incompatible materials such as strong acids and organic solvents.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms
Assay (SeO3)	≥ 98.0 %
Water Solubility Test	Clear solution
Heavy Metals (as Pb)	≤ 20 ppm
Loss on Drying	≤ 1.0 %

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