Dé-ocsaíd seiléiniam CAS 7446-8-4
Ainm cheimiceach: Selenium dioxide
Ainmneacha comhchiallacha:Selenious acid anhydride;SELENIOUS ANHYDRIDE;SELENIUM AA/ICP CALIBRATION/CHECK STANDARD
CAS Uimh: 7446-8-4
Foirmle mhóilíneach:O2Se
meáchan móilíneach: 110.96
EINECS Uimh: 231-194-7
- Paraiméadar
- gaolmhar
- Fiosrúcháin
Foirmle struchtúrach:
Cur síos ar an Táirge:
Míreanna |
sonraíochtaí |
Dealramh |
Púdar bán |
Measúnacht,% |
99.0MIN |
Leáphointe |
315 °C (subl.)(lit.) |
fiuchphointe |
684.9 °C (lit.) |
Dlús |
4.81 g/mL ag 25 °C (lit.) |
Brú gaile |
1 mm Hg (157 °C) |
Airíonna agus Úsáid:
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.
Coinníollacha stórála: Stóráil faoi +30 ° C.
Pacáil: Tá an táirge seo pacáilte i drumaí cairtchláir 25kg, agus is féidir é a shaincheapadh freisin de réir riachtanais na gcustaiméirí