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7446-08-4 - Selenium(IV) oxide, 99.4% (metals basis) - Selenium dioxide - 12358 - Alfa Aesar

12358 Selenium(IV) oxide, 99.4% (metals basis)

CAS-Nummer
7446-08-4
Synonyme
Selenium dioxide

Größe Preis ($) Menge Verfügbarkeit
100g 54,60
500g 212,00
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Selenium(IV) oxide, 99.4% (metals basis)

MDL
MFCD00003562
EINECS
231-194-7

Chemische Eigenschaften

Formel
O2Se
Molmasse
110.96
Form
Powder
Schmelzpunkt
340-350° subl.
Dichte
3.95
Löslichkeit
Partially soluble in water, methanol, ethanol, and acetone. Soluble in concentrated sulfuric acid.

Anwendungen

It is used in the manufacture of other selenium compounds. Selenium dioxide is an oxidizing agent mostly used in the allylic oxidation of alkenes to produce allylic alcohols. It is used in creating colorless glass and toner in photographic developing.

Bemerkungen

It must be stored away from materials like metals, reducing agents, strong acids, ammonia, hydrogen, and hydrogen sulfide.

Literaturverweise

Wang, Y.; Yang, H.; Xia, Z.; Tong, Z.; Zhou, L. One-pot synthesis of CdSe quantum dots using selenium dioxide as a selenium source in aqueous solution. Bull. Korean Chem. Soc. 2011, 32, 2316-2318.

Lee, E. P.; Song, S. Y.; Lee, D. W.; Ok, K. M. New Bismuth Selenium Oxides: Syntheses, Structures, and Characterizations of Centrosymmetric Bi2(SeO3)2(SeO4) and Bi2(TeO3)2(SeO4) and Noncentrosymmetric Bi(SeO3)(HSeO3). Bull. Korean Chem. Soc. 2013, 52 (7), 4097-4103.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H301-H331-H373

Toxic if swallowed. Toxic if inhaled. May cause damage to organs through prolonged or repeated exposure.

Sicherheitshinweise: P260-P301+P310a-P304+P340-P311a-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. IF SWALLOWED: IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Merck
14,8434
Gefahrenklasse
6.1
Verpackungsgruppe
II
Harmonized Tariff Code
2811.29
TSCA
Yes
RTECS
VS8575000

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