Description

Selenium Dioxide CAS NO 7446-08-4 is a vital inorganic compound and a key source of selenium(IV) in chemical synthesis. It is valued for its powerful oxidizing properties and its role as a versatile reagent in organic transformations. This product is essential for manufacturers and R&D laboratories in the pharmaceutical, fine chemical, and specialty materials sectors.

Application

• Pharmaceutical Synthesis: A crucial reagent for the oxidation of aldehydes to carboxylic acids and for the introduction of selenium in active pharmaceutical ingredient (API) manufacturing.
• Fine Chemical Production: Used in the synthesis of organoselenium compounds, which serve as catalysts and intermediates in various organic reactions.
• Glass Manufacturing: Acts as a decolorizing agent to neutralize the green tint caused by iron impurities, producing clear glass.
• Pigments and Dyes: Employed in the production of red and orange ceramic glazes, enamels, and specialty pigments.
• Electronics: Used in the formulation of certain photoconductive and semiconductor materials.
• Analytical Chemistry: Serves as a standard and reagent in analytical procedures for selenium determination and other tests.
• Vulcanization Agent: An accelerator in the vulcanization process for certain specialty rubbers.
• Research & Development: A fundamental chemical for academic and industrial research in synthetic chemistry and materials science.

Basic Information

Product Name	Selenium Dioxide
CAS No.	7446-08-4
Molecular Formula	SeO2
Molecular Weight	110.96 g/mol
Synonyms	Selenium(IV) oxide; Selenious anhydride; Selenous anhydride; Selenium oxide; Selenium(IV) dioxide; Selenious acid anhydride; Selenium oxide (SeO2)
EINECS	231-194-7

Quality Control

Our Selenium Dioxide is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive quality assurance, with product specifications meeting the requirements for industrial and reagent-grade applications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is available for every batch upon request.

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 product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking and degradation. Keep away from incompatible materials such as strong reducing agents and organic compounds.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or needles
Identification (IR)	Conforms
Assay (SeO2)	≥ 99.0 %
Insoluble Matter	≤ 0.01 %
Chloride (Cl)	≤ 0.001 %
Sulfate (SO4)	≤ 0.003 %
Heavy Metals (as Pb)	≤ 0.001 %
Iron (Fe)	≤ 0.001 %

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