Selenium dioxide CAS 7446-8-4
Kemiskt namn: Selenium dioxide
Synonyma namn:Selenious acid anhydride;SELENIOUS ANHYDRIDE;SELENIUM AA/ICP CALIBRATION/CHECK STANDARD
CAS-nr: 7446-8-4
Kemisk beteckning :O2Se
Molekylvikt: 110.96
EINECS Nej: 231-194-7
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Strukturformel:
Produktbeskrivning:
objekt |
Specifikationer |
Utseende |
Vitt pulver |
Analysera,% |
99.0MIN |
Smältpunkt |
315 °C (subl.)(lit.) |
Kokpunkt |
684.9 ° C (lit.) |
Densitet |
4.81 g/ml vid 25 °C (lit.) |
Ångtryck |
1 mm Hg (157 ° C) |
Fastigheter och Användning:
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.
Förvaringsförhållanden: Förvaras under +30°C.
Förpackning: Denna produkt är förpackad i 25 kg kartongfat, och den kan också anpassas efter kundernas krav