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Selendioxid CAS 7446-8-4

Kemisk navn: Selenium dioxide

Synonyme navne:Selenious acid anhydride;SELENIOUS ANHYDRIDE;SELENIUM AA/ICP CALIBRATION/CHECK STANDARD

CAS-nr: 7446-8-4

Molekylformel:O2Se

Molekylær vægt: 110.96

EINECS Ingen: 231-194-7

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Strukturel formel:

Produkt beskrivelse:

Varer	Specifikationer
Udseende	Hvidt pulver
Assay, %	99.0MIN
Smeltepunkt	315 °C (subl.)(lit.)
Kogepunkt	684.9 ° C (lys)
Density	4.81 g/ml ved 25 °C (lit.)
Damptryk	1 mm Hg (157 ° C)

Ejendomme og Brug:

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.

Opbevaringsbetingelser: Opbevares under +30°C.

Emballage: Dette produkt er pakket i 25 kg pap tromler, og det kan også tilpasses efter kundernes krav