Description
Specifications Table
Product Name – Selenium(IV) oxide, 99.999%, (trace metal basis)
Quantity/Pack Size – 10GR, 50GR
Form – Powder
Grade – 99.999% (trace metal basis)
Application – Chemical synthesis, analytical reagent
Product Overview
Selenium(IV) oxide (SeO₂) of 99.999% purity (trace metal basis) is a high-grade chemical compound designed for demanding laboratory applications where trace impurities can compromise results. This ultra-pure form ensures minimal interference in sensitive analytical procedures, making it ideal for advanced research and synthesis. The compound appears as a white to pale yellow crystalline powder with a characteristic odor, soluble in water and alcohol, forming selenious acid upon dissolution. Its high reactivity with reducing agents and organic compounds allows for precise control in oxidation-reduction reactions. The 99.999% trace metal basis specification guarantees extremely low levels of metallic contaminants, critical for applications requiring high purity standards. Proper handling is essential due to its toxic and corrosive nature, with recommended storage in a cool, dry environment under inert gas to prevent moisture absorption and oxidation. This product undergoes rigorous quality testing to meet international standards, ensuring consistent performance in specialized laboratory settings.
FAQs
1. What is the shelf life of Selenium(IV) oxide when stored properly?
When stored in a tightly sealed container under inert atmosphere at room temperature, Selenium(IV) oxide maintains its specified purity for up to 24 months from the date of manufacture. Always check the container for signs of moisture exposure before use.
2. Can this grade of Selenium(IV) oxide be used for semiconductor applications?
The 99.999% trace metal basis purity makes it suitable for many semiconductor-related processes where high purity is required, though specific application testing is recommended as requirements may vary by process.
3. What precautions should be taken when handling this compound?
Use in a fume hood with proper ventilation, wear nitrile gloves, safety goggles, and a lab coat. Avoid inhalation of dust and skin contact, as Selenium(IV) oxide is toxic and corrosive. Neutralize spills with sodium bicarbonate solution.
4. How does the trace metal basis specification differ from standard purity grades?
Trace metal basis indicates that the purity is specifically measured and guaranteed regarding metallic impurities, which are reduced to parts-per-million levels, unlike standard grades where overall purity is typically measured without specific metal analysis.
5. Is this product compatible with glass containers for long-term storage?
While glass is generally suitable, for long-term storage of highly pure Selenium(IV) oxide, consider using containers with PTFE-lined caps to minimize potential leaching of metal ions from glass that could affect the trace metal purity.
