Thallium(I) oxideThallium(I) oxide is the inorganic compound of thallium and oxygen with the formula Tl2O in which thallium is in its +1 oxidation state. It is black, hygroscopic, and produces a basic yellow solution of thallium(I) hydroxide (TlOH) when dissolved in water. Read from the Chembox of the Wikipedia article Thallium(I) oxide, revision 1376399236.

Property

Value

Formula

OTl2, 424.76 g/mol

Melting point

596 °C

Boiling point

1080 °C

Density

10.45 g/cm³

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