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1308-38-9 - Chromium(III) oxide, 99% (metals basis) - 12285 - Alfa Aesar

12285 Chromium(III) oxide, 99% (metals basis)

CAS-Nummer
1308-38-9
Synonyme

Größe Preis ($) Menge Verfügbarkeit
100g 43,60
500g 139,00
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Chromium(III) oxide, 99% (metals basis)

MDL
MFCD00010949
EINECS
215-160-9

Chemische Eigenschaften

Formel
Cr2O3
Molmasse
151.99
Form
Powder
Schmelzpunkt
2435°
Siedepunkt
3000°
Dichte
5.22
Brechungsindex
2.551
Löslichkeit
Insoluble in water, alcohol, acetone and acids.

Anwendungen

Chromium(III) oxide is known as green compound which is used for buffing and polishing. It can be used as abrasives. Apart from being used as a precursor to the magnetic pigment viz., chromium dioxide, it is used in inks, glasses, and pigments (viridian). They are employed as plating agents and surface treating agents. It is a catalyst in the Phillips process of manufacture of high density polythene.

Bemerkungen

Hygroscopic. Stored in a tightly closed container.

Literaturverweise

Hu, Z.; Xu, M.; Shen, Z.; Yu, J. A nanostructured chromium(III) oxide/tungsten(VI) oxide p-n junction photoanode toward enhanced efficiency for water oxidation. J. Mater. Chem. A 2015, 3 (26), 14046-14053.

Wiśniewska, M.; Chibowski, S.; Urban, T. Impact of polyacrylamide with different contents of carboxyl groups on the chromium (III) oxide adsorption properties in aqueous solution. J. Hazard. Mater 2015, 283 815-823.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H302-H332-H317

Harmful if swallowed. Harmful if inhaled. May cause an allergic skin reaction.

Sicherheitshinweise: P261-P280g-P304+P340-P301+P312a-P363-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF SWALLOWED: Wash contaminated clothing before reuse. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Merck
14,2234
Harmonized Tariff Code
2819.90
TSCA
Yes
RTECS
GB6475000

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