COPPER SILICIDE Property

Melting point:

825°C

Density 

7.7 - 7.8

form 

Pieces

color 

Silver

Specific Gravity

7.7 - 7.8

Water Solubility 

Insoluble in water.

Hydrolytic Sensitivity

4: no reaction with water under neutral conditions

Exposure limits

ACGIH: TWA 1 mg/m3
NIOSH: IDLH 100 mg/m3; TWA 1 mg/m3

EPA Substance Registry System

Copper silicide (Cu5Si) (12159-07-8)

Safety

TSCA 

Yes

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

COPPER SILICIDE Chemical Properties,Usage,Production

Chemical Properties

6.35mm and down pieces [ALF93]

Uses

Copper silicide?thin film?is used for?passivation?of?copper-based chips, where it serves to suppress?diffusion?and?electromigration?and serves as a?diffusion barrier. It is involved in the direct process, the industrial route to organosilicon compounds.