Mercury(I) oxide
Identifiers | |
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3D model (JSmol) |
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ChemSpider | |
ECHA InfoCard | 100.036.289 |
EC Number | 239-934-0 |
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 | |
Main hazards | highly toxic |
EU classification (DSD) (outdated) |
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NFPA 704 | |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
18 mg/kg (oral, rat)[3] |
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.
References
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