Selenium dioxide CAS 7446-8-4
Nom chimique: Selenium dioxide
Noms synonymes:Selenious acid anhydride;SELENIOUS ANHYDRIDE;SELENIUM AA/ICP CALIBRATION/CHECK STANDARD
n ° CAS: 7446-8-4
Formule moléculaire:O2Se
La masse moléculaire: 110.96
EINECS Non: 231-194-7
- Paramètre
- Produits associés
- Objet de la demande
Formule structurelle:
Déscription:
Articles |
Spécifications |
Apparence |
Poudre blanche |
Essai,% |
99.0MIN |
Point de fusion |
315 ° C (subl.) (Lit.) |
Point d'ébullition |
684.9 ° C (lit.) |
Densité |
4.81 g / mL à 25 ° C (lit.) |
La pression de vapeur |
1 mm Hg (157 ° C) |
Propriétés et Utilisation:
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.
Conditions de stockage: Stocker ci-dessous + 30 ° C.
Lot: Ce produit est emballé dans des fûts en carton de 25 kg et peut également être personnalisé selon les exigences des clients.