Cobalt Metal CAS #: 7440-48-4

Synonyms Electrolytic cobalt, electrocobalt, high purity Co

Molecular Weight: 58.93 Appearance: Gray metallic solid Melting Point: 1495 °C Boiling Point: 2870 °C Density: 8.9 g/cm3 Solubility in H2O: N/A Poisson's Ratio: 0.31 Young's Modulus: 209 GPa Vickers Hardness: 1043 MPa Tensile Strength: N/A Thermal Conductivity: 100 W ·m-1 ·K-1 Thermal Expansion: (25 °C) 13.0 µm·m-1·K-1 Electrical Resistivity: 62.4 nΩ ·m(20 °C) Electronegativity: 1.8 Paulings Specific Heat: 0.109 Cal/g/K @ 25 °C Heat of Fusion: 16.06 kJ ·mol-1 Heat of Vaporization: 377 kJ ·mol-1

Health & Safety Information Signal Word: Danger Hazard Statements: H228-H400 Hazard Codes: F Precautionary Statements: N/A Flash Point: Not applicable Risk Codes: 11 Safety Statements: 16 RTECS Number: GL5325000 Transport Information: UN 3089 4.1/PG 2 WGK Germany: 3

Chemical Identifiers Linear Formula: Co Pubchem CID: 104730 MDL Number: MFCD00010935 EC No.: 231-158-0 Beilstein/Reaxys No.: N/A SMILES: [Co] InchI Identifier: InChI=1S/Co InchI Key: GUTLYIVDDKVIGB-UHFFFAOYSA-N