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China Sodium Selenite (Na₂SeO₃) Feed Additive - Top Suppliers & Factory for Bioactive Ingredients
Product Specifications
| Product Name | Sodium Selenite |
| Chemical Formula | Na₂SeO₃ |
| CAS No. | 10102-18-8 |
| Appearance | White crystalline powder |
| Active Ingredient | Selenium (Se) Content: 45.1%–46.1% |
| Physical & Chemical Indicators |
Lead (Pb): ≤10.0 mg/kg Arsenic (As): ≤10.0 mg/kg Cadmium (Cd): ≤5.0 mg/kg Moisture: ≤1.5% Compliance Standards: GB 7300.302-2019 |
Functions
Sodium Selenite is essential for:
Antioxidant Defense
Selenium is a key component of glutathione peroxidase, protecting cells from oxidative damage.
Immune Support
Enhances immune response and disease resistance in animals.
Growth Promotion
Improves feed efficiency, reproductive performance, and overall growth rates.
Metabolic Health
Supports thyroid function and hormone regulation.
Storage & Packing
Storage Conditions
- Store in a cool, dry, well-ventilated area, protected from moisture and direct sunlight.
- Keep containers tightly sealed to prevent oxidation or contamination.
Safety Precautions
- Avoid contact with acids or reducing agents.
- Wear protective gloves and masks during handling.
Packaging
- Net Weight: 25 kg/bag (moisture-proof, multi-layer packaging).
Shelf Life
- Duration: 24 months from the production date under proper storage conditions.
Usage & Dosage
Application
Uniformly blend into compound feed, premixes, or mineral supplements.
Recommended Dosage
- Swine: 0.1–0.3 mg /kg of feed
- Poultry: 0.2–0.5 mg /kg of feed
- Cattle: 0.1–0.5 mg /kg of feed
- Aquatic Species: 0.05–0.2 mg/kg of feed
Note
Adjust dosage based on species-specific selenium requirements. Avoid overdose to prevent toxicity (selenium toxicity threshold is narrow).
Additional Notes
- Precautions: Ensure thorough mixing to avoid localized over-concentration.
- Certification: Complies with GB 7300.302-2019 and international feed safety standards.
Product Details
Frequently Asked Questions (FAQ)
Q1: What is the CAS number and chemical formula of this Sodium Selenite product?
The CAS number for this Sodium Selenite is 10102-18-8, and its chemical formula is Na₂SeO₃. It presents as a white crystalline powder.
Q2: What is the active selenium content in the feed additive?
The active ingredient Selenium (Se) content is specified at 45.1%–46.1%, complying with GB 7300.302-2019 standards.
Q3: What are the recommended dosages for different livestock and aquatic species?
The recommended dosages per kilogram of feed are: Swine: 0.1–0.3 mg; Poultry: 0.2–0.5 mg; Cattle: 0.1–0.5 mg; and Aquatic Species: 0.05–0.2 mg. Dosage should be adjusted based on specific requirements.
Q4: How should Sodium Selenite be stored to ensure its shelf life?
It should be stored in a cool, dry, and well-ventilated area, protected from moisture and direct sunlight. Keep containers tightly sealed to prevent oxidation. Under proper storage conditions, it has a shelf life of 24 months.
Q5: What safety precautions should be taken when handling this product?
Avoid contact with acids or reducing agents. Handlers must wear protective gloves and masks. Additionally, ensure thorough mixing in the feed to avoid localized over-concentration and prevent toxicity.