Silicon tetrabromide

• Silicon (IV ) bromide
• Tetrabromosilane

Colorless liquid with a pungent odor

Liquid

2.800 g · cm -3

5 ° C

154 ° C.

Reacts violently with water

1.5685 ( 31 ° C)

Attention

Template: Infobox chemical / molecular formula search available

Silicon tetrabromide is an inorganic chemical compound of silicon selected from the group of bromide and silicon tetrahalides.

Production and representation

Silicon tetrabromide can be obtained by reaction of silicon with hydrogen bromide at 600 ° C.

Also possible is the preparation by reaction of silicon with bromine at 600 ° C or silicon with silver at 650 ° C.

Properties

Silicon tetrabromide is a moisture-sensitive colorless liquid with a pungent odor, which reacts violently with water, hydrogen bromide is formed. The compound has a tetrahedral structure.

Use

Silicon tetrabromide is used in the semiconductor industry.