Description

Seleniumiv CAS NO 22541-55-5 is a high-purity inorganic compound of selenium in the +4 oxidation state, known for its potent oxidizing properties. This material is critical for industrial processes and advanced material synthesis where controlled oxidation or selenium incorporation is required. It serves as a key precursor and reagent for manufacturers in the electronics, glass, and specialty chemical sectors seeking reliable, high-quality selenium sources.

Application

• Glass Manufacturing: Used as a decolorizing and coloring agent to produce ruby-red glass and to neutralize the green tint from iron impurities.
• Electronics & Semiconductors: Acts as a precursor for depositing selenium-containing thin films and in the synthesis of compound semiconductors like copper indium gallium selenide (CIGS) for photovoltaic cells.
• Chemical Synthesis: Serves as a versatile oxidizing agent and a selenium source in organic and inorganic synthesis for pharmaceuticals and fine chemicals.
• Catalyst Production: Employed in the formulation of catalysts for oxidation reactions and in petroleum refining processes.
• Nutritional Supplements & Animal Feed: Used under strict pharmaceutical controls as a source of selenium, an essential trace element.
• Photoreceptor Drums: A key material in the production of selenium-based photoreceptors for legacy photocopiers and laser printers.
• Pigments & Dyes: Imparts distinctive red and orange colors in the manufacture of ceramics, plastics, and paints.
• Analytical Chemistry: Utilized as a standard and reagent in various analytical techniques for selenium determination and testing.

Basic Information

Product Name	Seleniumiv
CAS No.	22541-55-5
Molecular Formula	SeO2
Molecular Weight	110.96 g/mol
Synonyms	Selenium(IV) oxide; Selenium dioxide; Selenious anhydride; Selenous acid anhydride; Selenium oxide (SeO2); EINECS 246-978-7; UN 3283
EINECS	246-978-7

Quality Control

Our Seleniumiv is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and reliability. We provide comprehensive specifications and Certificates of Analysis (COA) for every shipment, detailing purity, assay, and impurity profiles. Our quality protocols are designed to meet the exacting standards of the electronics, pharmaceutical, and glass industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a low-humidity environment. Store at controlled room temperature (15-25°C).

Specification

Item	Specification
Appearance	White crystalline powder or needles
Identification (IR)	Conforms
Assay (SeO2)	≥ 99.0 %
Assay (Se)	≥ 71.0 %
Insoluble Matter	≤ 0.01 %
Chloride (Cl)	≤ 0.001 %
Sulfate (SO4)	≤ 0.002 %
Nitrate (NO3)	≤ 0.001 %
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.