Difference between revisions of "Chromium dioxide"
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A black powder. Chromium dioxide is a semiconductor and has strong magnetic properties. It is used as the active material in recording tapes and magnetic strips on credit cards. | A black powder. Chromium dioxide is a semiconductor and has strong magnetic properties. It is used as the active material in recording tapes and magnetic strips on credit cards. | ||
| + | == Risks == | ||
| + | |||
| + | Can decompose in air to form chromic oxide (Cr2O3) | ||
| + | |||
| + | ==Physical and Chemical Properties== | ||
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! scope="row"| Density | ! scope="row"| Density | ||
| − | | 4.9 | + | | 4.9 g/ml |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
| mol. wt. = 83.99 | | mol. wt. = 83.99 | ||
|} | |} | ||
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[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 15:25, 29 May 2022
Description
A black powder. Chromium dioxide is a semiconductor and has strong magnetic properties. It is used as the active material in recording tapes and magnetic strips on credit cards.
Risks
Can decompose in air to form chromic oxide (Cr2O3)
Physical and Chemical Properties
| Composition | CrO2 |
|---|---|
| Density | 4.9 g/ml |
| Molecular Weight | mol. wt. = 83.99 |