NIOBIUM SILICIDE Property

Melting point:

1940 °C

Density 

5.7

form 

Powder

color 

gray hexagonal, hexane crystals, crystalline

Resistivity

50.4 (ρ/μΩ.cm)

Water Solubility 

Insoluble in water.

Crystal Structure

Hexagonal

EPA Substance Registry System

Niobium silicide (NbSi2) (12034-80-9)

Safety

Safety Statements 

22-24/25

WGK Germany 

3

TSCA 

Yes

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Hazard statements

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.

NIOBIUM SILICIDE Chemical Properties,Usage,Production

Chemical Properties

Crystalline solid.

Uses

Niobium silicide (NbSi2) is used as a lining for high-temperature refractory furnaces.

Uses

Refractory material

Uses

Niobium silicide is used as an organic chemical synthesis intermediate.

Preparation

niobium suicide (NbSi2), which can be formed by reacting niobium metal deposited on poly-Si and by using APCVD from the NbCl5—SiH4—H2 system.