Dioxid de seleniu CAS 7446-8-4
Nume chimic: Selenium dioxide
Nume sinonime:Selenious acid anhydride;SELENIOUS ANHYDRIDE;SELENIUM AA/ICP CALIBRATION/CHECK STANDARD
CAS Nr: 7446-8-4
Formula moleculară:O2Se
Greutate moleculară: 110.96
EINECS Nu: 231-194-7
- Parametru
- Produse asemănătoare
- Anchetă
Formula structurala:
descrierea produsului:
articole |
Specificații |
Aspect |
Pulbere de culoare albă |
Test,% |
99.0MIN |
Punct de topire |
315 °C (subl.)(lit.) |
Punct de fierbere |
684.9 °C (lit.) |
Densitate |
4.81 g/mL la 25 °C (lit.) |
Presiunea de vapori |
1 mm Hg (157 °C) |
Proprietăţi şi Folosire:
Selenium dioxide (SeO₂), CAS 7446-8-4, is a colorless to white solid compound with strong oxidizing properties.
1. High-efficiency oxidant for organic synthesis
As a strong oxidant, selenium dioxide is used to oxidize compounds such as aromatic hydrocarbons and alcohols, and as a catalyst in the synthesis of selenium compounds.
2. Photoelectric and semiconductor materials
Selenium dioxide is a key raw material for photoelectric materials such as cadmium selenide, and is used in the production of solar cells and photodetectors.
3. High-performance glass manufacturing
Used as an additive for optical glass to improve refractive index and transparency, suitable for optical and special glass production.
4. Electrolytic metal and chemical applications
As a core intermediate in the manufacture of electrolytic manganese and selenide, it helps the development of the chemical industry.
Conditii de depozitare: A se pastra sub +30°C.
Ambalaj: Acest produs este ambalat în bidoane de carton de 25 kg și poate fi, de asemenea, personalizat în funcție de cerințele clienților