Tungsten(IV) sulfide

Tungsten

Gray - bluish odorless solid

Fixed

7.5 g · cm -3

1250 ° C.

Sparingly soluble in water

Attention

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Tungsten (IV ) sulphide is a chemical compound from the group of tungsten compounds and sulfides.

Occurrence

Tungsten ( IV ) sulfide occurs naturally as the mineral Tungstenit.

Production and representation

Tungsten ( IV ) sulfide can directly from the elements

Are obtained, or by reaction of tungsten ( VI) oxide with sulfur.

Properties

Tungsten ( IV ) sulfide is a gray -blue to black odorless solid that is sparingly soluble in water. It has a hexagonal crystal structure with space group C6/mmc (a = 3.18, c = 12.5 A). It has catalyst and detector properties.