Description

Selenite is an inorganic compound primarily recognized for its role as a source of selenium, an essential trace element. It is valued in industrial and technical applications for its consistent quality and reliable performance. This product is particularly relevant for manufacturers in the glass, ceramics, and metallurgical industries, as well as for use in specific chemical synthesis and nutritional supplement formulations where precise selenium content is required.

Application

• Glass Manufacturing: Used as a decolorizing agent to neutralize the green tint caused by iron impurities and to produce clear or colored glass.
• Ceramics & Pigments: Acts as a component in the production of ceramic glazes and colored pigments, providing specific hues and properties.
• Metallurgy: Employed as an additive in certain alloying processes and in the electrolytic refining of metals.
• Chemical Synthesis: Serves as a precursor or reagent in the synthesis of other selenium-containing compounds.
• Animal Nutrition: Incorporated into feed premixes as a source of essential selenium for livestock health and development.
• Laboratory Reagent: Utilized in analytical chemistry and research as a standard or testing agent.

Basic Information

Product Name	Selenite
CAS No.	14124-67-5
Molecular Formula	Na2SeO3
Molecular Weight	172.94 g/mol
Synonyms	Sodium selenite; Disodium selenite; Selenious acid, disodium salt; Selenium sodium oxide (Na2SeO3); Selenite (salt); EINECS 237-920-1
EINECS	237-920-1

Quality Control

Our Selenite is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability. Quality is verified through comprehensive analytical testing, including assay, purity, and impurity profile analysis. Certificates of Analysis (COA) documenting these results are provided with each shipment and are available upon request to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (Na2SeO3)	≥ 98.0 %
pH (5% solution)	9.0 - 11.0
Loss on Drying	≤ 2.0 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.02 %
Heavy Metals (as Pb)	≤ 10 ppm
Selenium (Se) Content	Contact for details

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