Silicon Powder CAS #: 7440-21-3

Synonyms Silicon particles, Silicon microparticles, Silicon micropowder, Silicon micro powder, Silicon micron powder, Silicon submicron powder, Silicon sub-micron powder,

Molecular Weight: 28.08 Appearance: Silvery Melting Point: 1414 °C Boiling Point: 2900 °C Density: 2330 kg/m3 Solubility in H2O: N/A Poisson's Ratio: 0.064 - 0.28 Young's Modulus: 51-80 GPa Vickers Hardness: N/A 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 Electrical Resistivity: 3-4 microhm-cm @ 0 °C Electronegativity: 1.8 Paulings Specific Heat: 0.168 Cal/g/K @ 25 °C Heat of Fusion: 9.47 Cal/gm mole Heat of Vaporization: 40.6 K-Cal/gm atom at 2355 °C

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 Pictogram: Image

Chemical Identifiers Linear Formula: Si Pubchem CID: 5461123 MDL Number: MFCD00085311 EC No.: 231-130-8 Beilstein/Reaxys No.: N/A SMILES: [Si] InchI Identifier: InChI=1S/Si InchI Key: XUIMIQQOPSSXEZ-UHFFFAOYSA-N