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

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

CAS Number
1308-38-9
Synonyms

Size Price ($) Quantity Availability
100g 41.31
500g 131.40
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Chromium(III) oxide, 99% (metals basis)

MDL
MFCD00010949
EINECS
215-160-9

Chemical Properties

Formula
Cr2O3
Formula Weight
151.99
Form
Powder
Melting point
2435°
Boiling Point
3000°
Density
5.22
Refractive Index
2.551
Solubility
Insoluble in water, alcohol, acetone and acids.

Applications

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.

Notes

Hygroscopic. Stored in a tightly closed container.

Literature References

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 Hazard and Precautionary Statements

Hazard Statements: H302-H332-H317

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

Precautionary Statements: P261-P280-P264-P304+P340-P301+P312-P312-P363-P321-P333+P313-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Wash contaminated clothing before reuse. Specific treatment (see label). If skin irritation or rash occurs: Get medical advice/attention. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

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

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