Thallium(I) oxide

Dithalliummonooxid

Black solid

Fixed

9.52 g · cm -3

579 ° C

1080 ° C.

Risk

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Thallium ( I) oxide is an inorganic chemical compound of thallium from the group of oxides.

Production and representation

Thallium ( I) oxide may be represented on about 700 ° C in the absence of air by heating thallium (I ) hydroxide at about 100 ° C or thallium ( III) oxide.

Properties

Thallium (I ) oxide is a very hygroscopic solid black, the (I ) hydroxide is slightly soluble in water to form thallium. It has a crystal structure which is to be regarded as a three-fold form of the anti- polytype cadmium ( II) iodide type. It is a trigonal crystal structure with space group R3m.