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Mercury(I) oxide

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Mercury(I) oxide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.036.289 Edit this at Wikidata
EC Number
  • 239-934-0
  • InChI=1S/2Hg.O checkY
    Key: RPZHFKHTXCZXQV-UHFFFAOYSA-N checkY[2]
  • O1[Hg][Hg]1
Properties
Hg2O
Molar mass 417.183 g·mol−1
Appearance Very dark, orange, opaque crystals
Odor Odourless
Density 9.8 g mL−1
−76.3·10−6 cm3/mol
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 highly toxic
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 4: Very short exposure could cause death or major residual injury. E.g. VX gasFlammability 0: Will not burn. E.g. waterInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
4
0
1
Lethal dose or concentration (LD, LC):
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).
☒N verify (what is checkY☒N ?)

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

  1. ^ http://chem.sis.nlm.nih.gov/chemidplus/rn/15829-53-5
  2. ^ http://chem.sis.nlm.nih.gov/chemidplus/rn/15829-53-5
  3. ^ http://www.sciencelab.com/msds.php?msdsId=9924619


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