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.

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FAQ
Our address
No. 56, Jinye 1st Road, Hi-Tech Zone, Xi'an,Shaanxi Province, China
Phone Number
17765020976
qinhe05@xaltbio.com

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