|Jmol 3D model||Interactive image|
|Molar mass||424.77 g/mol|
|Appearance||black orthorhombic crystals
|Melting point||596 °C (1,105 °F; 869 K)|
|Boiling point||1,080 °C (1,980 °F; 1,350 K) (decomposes)|
|Solubility||soluble in alcohol and acid|
|R-3m, No. 166|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|what is ?)(|
Thallium(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 and produces a basic yellow solution of thallium(I) hydroxide (TlOH) when dissolved in water. It is formed by heating solid TlOH or Tl2CO3 in the absence of air. Thallium oxide is used to make special high refractive index glass. Thallium oxide is a component of several high temperature superconductors. Thallium(I) oxide reacts with acids to make thallium(I) salts.
Thallium(I) oxide, like all thallium compounds, is highly toxic.
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