(5N) 99.999% Selenium Nanoparticles, SE-E-05-NP (CAT#: STEM-NN-1046-LC)

Selenium nanoparticles, nanodots or nanopowder are typically 10 - 45 nanometers (nm) with specific surface area (SSA) in the 30 - 50 m2/g range and also available with an average particle size of 75 - 100 nm range with a specific surface area of approximately 2 - 10 m2/g.

CAS #: 7782-49-2
Linear Formula: Se
MDL Number: MFCD00134090
EC No.: 231-957-4
Molecular Weight: 78.96
Purity: (5N) 99.999%
Appearance: Gray to black solid
Melting Point: 217 °C
Boiling Point: 684.9 °C
Density: 4.79 g/cm3
Solubility in H2O: N/A
Electrical Resistivity: 106 microhm-cm @ 0°C
Electronegativity: 2.4 Paulings
Heat of Fusion: 1.22 Cal/gm mole
Heat of Vaporization: 3.34 K-cal/gm atom at 684.9 °C
Poisson's Ratio: 0.33
Specific Heat: 0.767 Cal/g/K @ 25 °C
Tensile Strength: N/A
Thermal Conductivity: 0.00519 W/cm/K @ 298.2 K
Thermal Expansion: (25 °C) (amorphous) 37 µm·m-1·K-1
Vickers Hardness: N/A
Young's Modulus: 10 GPa
Signal Word: Danger
Hazard Statements: H301+H331-H373-
Hazard Codes: T
Precautionary Statements: P260-P261-P304+P340-P405-P403+P233-P501
Flash Point: Not applicable
Risk Codes: 23/25-33-53
Safety Statements: 20/21-28-45-61
RTECS Number: VS7700000
Transport Information: UN3288
WGK Germany: 2
GHS Pictograms: GHS08 Health Hazard GHS06 Skull and Crossbones
Linear Formula: Se
MDL Number: MFCD00134090
EC No.: 231-957-4
Beilstein/Reaxys No.: N/A
Pubchem CID: 6326970
SMILES: [Se]
InchI Identifier: InChI=1S/Se
InchI Key: BUGBHKTXTAQXES-UHFFFAOYSA-N