Silicon Powder

Silicon Powder Health & Safety Information

Signal Word Warning
Hazard Statements H228
Hazard Codes F
Precautionary Statements P210-P240-P241-P280-P370 + P378
Flash Point Not applicable
Risk Codes 11
Safety Statements 16-33-36
RTECS Number VW0400000
Transport Information UN 1346 4.1/PG 3
WGK Germany 2
GHS Pictograms

Silicon Powder Properties (Theoretical)

Molecular Weight 28.08
Appearance Silvery
Melting Point 1414 °C
Boiling Point 2900 °C
Density 2330 kg/m3
Solubility in H2O N/A
Electrical Resistivity 3-4 microhm-cm @ 0 °C
Electronegativity 1.8 Paulings
Heat of Fusion 9.47 Cal/gm mole
Heat of Vaporization 40.6 K-Cal/gm atom at 2355 °C
Poisson’s Ratio 0.064 – 0.28
Specific Heat 0.168 Cal/g/K @ 25 °C
Tensile Strength N/A
Thermal Conductivity 1.49 W/cm/K @ 298.2 K
Thermal Expansion (25 °C) 2.6 µm·m-1·K-1
Vickers Hardness N/A
Young’s Modulus 51-80 GPa

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