Description

Calcium Selenite is an inorganic compound of significant industrial and research interest. This material serves as a vital source of selenium, an essential trace element, in various controlled applications. It is primarily utilized in the formulation of specialized nutritional supplements, glass manufacturing, and as a precursor in chemical synthesis. Industries requiring precise selenium incorporation, such as advanced materials and specialty agriculture, rely on high-purity grades of this compound.

Application

• Nutritional Supplementation: Used as a controlled-release selenium source in animal feed and specialized human nutrition products.
• Glass & Ceramics Industry: Acts as a decolorizing agent and imparts specific optical properties in specialty glass and ceramic formulations.
• Chemical Synthesis: Serves as a key precursor or intermediate in the production of other selenium-containing compounds and materials.
• Agricultural Inputs: Incorporated into high-value fertilizers and soil amendments to address selenium deficiency in specific crops.
• Electronics & Semiconductors: Used in research and development for thin-film deposition and the creation of photoconductive materials.
• Laboratory Research: Employed as a standard or reagent in analytical chemistry and biochemical studies involving selenium.

Basic Information

Product Name	Calcium Selenite
CAS No.	856616-83-6
Molecular Formula	CaSeO3
Molecular Weight	166.98 g/mol (anhydrous basis)
Synonyms	Calcium selenite(VI); Selenious acid, calcium salt; Calcium monoselenite; Calciumselenit (German); Sélénite de calcium (French); CAS 856616-83-6
EINECS	Contact for details

Quality Control

Our Calcium Selenite is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and reliability. We offer various purity grades, including technical and high-purity grades, tailored to specific application requirements. A comprehensive Certificate of Analysis (COA), detailing parameters such as assay, heavy metal content, and selenium speciation, is provided with each shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be kept away from strong acids and reducing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (CaSeO3)	≥ 98.0%
Selenium Content	46.0 - 48.0 %
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Arsenic (As)	≤ 5 ppm
Water Insoluble Matter	≤ 0.5 %

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