Sodium Selenite Powder

Sodium Selenite Powder
Details
Product Name:sodium selenite powder
Synonyms:Disodium Selenite, Selenious Acid Disodium Salt
Purity:≥98%
CAS Number:10102-18-8
Appearance:White crystalline powder or colorless crystals
Main Function:Selenium source used as a feed additive and laboratory reagent; supports selenium supplementation in animal nutrition and serves as a raw material for analytical and research applications. Use only in accordance with applicable regulations and customer specifications.
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Nutritional Fortifiers
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Product Details

Product Description

 

 

 

Sodium selenite powder is an inorganic selenium compound supplied as a white crystalline or fine crystalline powder. It is highly soluble in water and designed for controlled industrial and laboratory applications. This product is widely used as a reliable selenium source in animal nutrition, feed premixes, and research-grade formulations. Each batch is produced under strict quality control to support consistent purity, stable performance, and clear traceability. Sodium selenite powder should be handled by qualified professionals and used only within permitted limits. It is not intended for direct human consumption unless further processed and approved under applicable food, feed, or pharmaceutical regulations. Proper storage, accurate dosing, and compliance with local standards are essential for safe and effective application.

 

 

 

COA

 

 

Item Detail
Product Name Sodium selenite powder
Appearance White crystalline powder
CAS No. 10102-18-8
Assay (Na₂SeO₃, dried basis)  98%
Selenium (Se, dried basis) 45%
Loss on drying 0.7%
Sulfate and selenate (as SO₄) 0.02%
Lead (Pb) 2mg/kg
Arsenic (As) 2mg/kg

 

Functions and Effects

 

 

 

 

Sodium selenite powder mainly functions as an important selenium source in feed and industrial formulations. Selenium supports normal antioxidant defense systems and contributes to cellular protection against oxidative stress. In animal nutrition, it helps maintain normal metabolic activity, immune function, and overall physiological balance. As a highly soluble selenium salt, it allows relatively uniform distribution in premixes and liquid systems when properly handled. Its effectiveness depends on correct dosage, formulation compatibility, and compliance with regulatory limits. Excessive use may cause safety risks, so it must be applied under professional guidance. This product is not a finished supplement and should not be used as a direct health product without further approval.

 

 

 

Application Fields

 

Sodium selenite powder is mainly applied in animal feed production, including poultry, swine, ruminant, and aquaculture premixes. It is also used in laboratory research, analytical testing, and the preparation of selenium-containing reference materials. In industrial applications, it may serve as a raw material for specialized chemical formulations where a water-soluble selenium source is required. The product should be stored in a dry, sealed container away from moisture and contamination. Handling personnel must follow appropriate safety procedures and local regulatory requirements. It is not recommended for direct consumer products without further qualification. Customers should confirm specifications, dosage limits, and documentation before use.

Business Scope

 

 

0421001

 

Packaging And Transportation Methods

 

 

001

 

Certificationss

 

 

222

 

FAQ

 

 

Q1:What is Sodium Selenite Powder?
A1:Sodium selenite powder is an inorganic selenium compound with CAS 10102-18-8. It usually appears as a white crystalline powder and is freely soluble in water.
Q2:What is the main use of Sodium Selenite Powder?
A2:It is mainly used as a selenium source in animal feed premixes, laboratory research, and certain industrial applications. It is not a finished consumer supplement and must be used under applicable regulations.
Q3:Is Sodium Selenite Powder safe to handle?
A3:It must be handled with care. Sodium selenite is classified as a toxic substance and should only be used by trained personnel with proper protective equipment.
Q4:How should it be stored?
A4:Store in a cool, dry, well-ventilated area, away from moisture, strong acids, oxidizers, and food or feed materials. Keep the container tightly closed.
Q5:What is the shelf life?
A5:Shelf life depends on packaging, storage conditions, and batch quality. A typical retest period may be 12–24 months if stored properly, but the final period should be confirmed by stability data.
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