Sodium Selenite (Na₂SeO₃) – 25g
Product Description
Sodium Selenite (Na₂SeO₃) – 25g is a high-purity inorganic selenium compound commonly used as a laboratory reagent, selenium source, and micronutrient. It is generally available as a white to slightly yellow crystalline powder and is suitable for a variety of laboratory, biochemical, nutritional, pharmaceutical, agricultural, and environmental research applications.
Sodium Selenite is an important source of selenium, an essential trace element involved in several biological processes. It is commonly used in biochemical research, enzyme studies, oxidative stress research, selenium analysis, and controlled selenium supplementation studies.
The 25g pack is a convenient option for laboratories, universities, research institutions, educational facilities, and professional users who require Sodium Selenite for regular laboratory and research applications.
Key Features
- Product Name: Sodium Selenite
- Chemical Formula: Na₂SeO₃
- CAS Number: 10102-18-8
- Molecular Weight: 172.94 g/mol
- Pack Size: 25g
- Appearance: White to slightly yellow crystalline powder
- Purity: ≥98% (Analytical Reagent Grade)
- Solubility: Soluble in water
- Function: Selenium source and analytical reagent
- Grade: Analytical Reagent Grade
- Storage: Store in a cool, dry place in a tightly closed container
Applications
Laboratory & Research
Sodium Selenite is widely used in laboratory and biochemical research as a selenium-containing reagent. It can be used for selenium analysis, standard solution preparation, enzyme studies, oxidative stress research, and biochemical experiments.
Researchers may also use Sodium Selenite in studies involving selenium metabolism, cellular processes, antioxidant mechanisms, and the biological effects of trace elements.
Animal Nutrition
Sodium Selenite can be used as a selenium source in animal nutrition and feed-related applications. Selenium is an essential micronutrient for livestock and poultry, and controlled supplementation may be used where selenium deficiency is a concern.
Pharmaceutical & Nutritional Research
Sodium Selenite is relevant to the development and study of trace-element supplements and nutritional formulations where selenium needs to be supplied in a controlled form.
Agricultural Research
It can be used in agricultural research involving selenium-deficient soil, selenium uptake by plants, and selenium biofortification studies.
Environmental Research
Sodium Selenite may also be used in environmental laboratory studies involving selenium detection, water analysis, soil analysis, and selenium-related chemical investigations.
Safety & Handling
Sodium Selenite should be handled carefully because selenium compounds can be harmful if swallowed, inhaled, or improperly handled. Avoid direct contact with the skin and eyes and avoid inhaling dust.
When handling Sodium Selenite, use suitable protective gloves, safety goggles, and laboratory clothing. Work in a well-ventilated area and avoid generating unnecessary dust.
Keep the 25g container tightly closed when not in use. Store in a cool, dry location away from incompatible substances. Always follow the product’s applicable Safety Data Sheet (SDS) and laboratory safety procedures.
Dispose of unused material and contaminated packaging according to applicable local laboratory and environmental regulations.
Sodium Selenite 25g Price in Bangladesh
Sodium Selenite 25g is available in Bangladesh for laboratory, research, educational, and professional applications. Pricing may vary depending on availability and supply requirements.
For the latest Sodium Selenite 25g price in Bangladesh, product availability, and delivery information, customers can contact M/S Bright Scientific Co.
Bulk and institutional requirements can also be discussed directly with the supplier.

Why Choose Sodium Selenite from M/S Bright Scientific Co.?
M/S Bright Scientific Co. supplies laboratory and research chemicals for universities, laboratories, educational institutions, research organizations, and industrial users across Bangladesh.
Key benefits include:
- High-purity Sodium Selenite
- Convenient 25g pack size
- Analytical Reagent Grade quality
- Suitable for laboratory and research applications
- Carefully packed for safe handling and storage
- Competitive pricing
- Supply support for institutional and professional users
- Delivery support across Bangladesh
Frequently Asked Questions (FAQ)
1. What is Sodium-Selenite?
Sodium-Selenite is an inorganic selenium compound with the chemical formula Na₂SeO₃. It is commonly used as a selenium source and laboratory reagent.
2. What is the CAS number of Sodium-Selenite?
The CAS number of Sodium-Selenite is 10102-18-8.
3. What is the molecular weight of Sodium-Selenite?
The molecular weight of Sodium-Selenite is approximately 172.94 g/mol.
4. What is the pack size of this Sodium-Selenite product?
This product is supplied in a 25g pack.
5. What does Sodium-Selenite look like?
It is generally supplied as a white to slightly yellow crystalline powder.
6. Is Sodium-Selenite soluble in water?
Yes, Sodium Selenite is soluble in water.
7. What is Sodium-Selenite used for?
It is used in biochemical research, selenium analysis, enzyme studies, oxidative stress research, animal nutrition, nutritional research, agricultural studies, and environmental analysis.
8. Is Sodium-Selenite safe to handle?
Sodium-Selenite should be handled with care. Appropriate gloves, safety goggles, laboratory clothing, and adequate ventilation are recommended.
9. Can I buy Sodium-Selenite 25g in Bangladesh?
Yes. Sodium Selenite 25g is available for laboratory and research requirements in Bangladesh, subject to stock availability.
10. How can I order Sodium-Selenite 25g?
For current price, availability, and ordering information, contact M/S Bright Scientific Co. at 01711285976.
Contact Information
M/S Bright Scientific Co.
Phone: 01711285976
For Sodium-Selenite 25g price in Bangladesh, availability, and delivery information, contact M/S Bright Scientific Co.








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