Selēna dioksīds CAS 7446-8-4
Ķīmiskais nosaukums: Selenium dioxide
Sinonīmi vārdi:Selenious acid anhydride;SELENIOUS ANHYDRIDE;SELENIUM AA/ICP CALIBRATION/CHECK STANDARD
CAS Nr: 7446-8-4
Molekulārā formula:O2Se
Molekulārais svars: 110.96
EINECS Nē: 231-194-7
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Strukturālā formula:
Produkta apraksts:
priekšmeti |
specifikācija |
Izskats |
Balts pulveris |
Pārbaude, % |
99.0MIN |
Kušanas punkts |
315 °C (subl.)(lit.) |
Vārīšanās punkts |
684.9 °C (lit.) |
Blīvums |
4.81 g/mL pie 25 °C (lit.) |
Tvaika spiediens |
1 mm Hg (157 °C) |
Īpašības un Lietošana:
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.
Uzglabāšanas nosacījumi: Uzglabāt zem +30°C.
Iepakojums: Šis produkts ir iepakots 25 kg kartona mucās, un to var arī pielāgot atbilstoši klientu prasībām