Mercury(I) oxide
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3D model (Jmol)
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| ChemSpider | |
| ECHA InfoCard | 100.036.289 |
| EC Number | 239-934-0 |
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PubChem CID
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| Properties | |
| Hg2O | |
| Molar mass | 417.18 g·mol−1 |
| Appearance | Very dark, orange, opaque crystals |
| Odor | Odourless |
| Density | 9.8 g mL−1 |
| −76.3·10−6 cm3/mol | |
| Hazards | |
| Lethal dose or concentration (LD, LC): | |
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LD50 (median dose)
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18 mg/kg (oral, rat) |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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| Infobox references | |
Mercury(I) oxide, also known as mercurous oxide, is an inorganic metal oxide with the chemical formula Hg2O.
It is a brown/black powder, insoluble in water, toxic but without taste or smell. It is chemically unstable and converts to mercury(II) oxide and mercury metal.
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