Mercury(I) oxide

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Mercury(I) oxide
Identifiers
CAS number 15829-53-5 N[1]
PubChem 16683011
ChemSpider 17615579 YesY
EC number 239-934-0
Jmol-3D images Image 1
Properties
Molecular formula Hg2O
Molar mass 417.18 g mol−1
Appearance Very dark, orange, opaque crystals
Odor Odourless
Density 9.8 g mL−1
Hazards
LD50 18 mg/kg (oral, rat)[3]
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
 N (verify) (what is: YesY/N?)
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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