| Cesium, Cs | |
|---|---|
| Categories: | MetalNonferrous MetalPure Element |
| Key Words: | Caesium, Cs |
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Export data to your CAD/FEA program| Physical Properties | Metric | English | Comments | ||
|---|---|---|---|---|---|
| Density | 1.89 g/cc | 0.0683 lb/in³ | |||
| Chemical Properties | Metric | English | Comments | ||
| Atomic Mass | 132.90546 | 132.90546 | 1995 | ||
| Atomic Number | 55 | 55 | |||
| Thermal Neutron Cross Section | 29 barns/atom | 29 barns/atom | |||
| X-ray Absorption Edge | 0.34476 Å | 0.34476 Å | K | ||
| 2.17245 Å | 2.17245 Å | LI | |||
| 2.31268 Å | 2.31268 Å | LII | |||
| 2.47227 Å | 2.47227 Å | LIII | |||
| Electrode Potential | -3.00 V | -3.00 V | |||
| Electronegativity | 0.79 | 0.79 | Pauling | ||
| Ionic Radius | 1.67 Å | 1.67 Å | Crystal Ionic Radius for Valence +1 | ||
| Mechanical Properties | Metric | English | Comments | ||
| Bulk Modulus | 1.57 GPa | 228 ksi | |||
| Electrical Properties | Metric | English | Comments | ||
| Electrical Resistivity | 0.0000190 ohm-cm | 0.0000190 ohm-cm | |||
| Magnetic Susceptibility | -2.20e-7 | -2.20e-7 | cgs/g | ||
| Critical Superconducting Temperature | 1.50 K | 1.50 K | ~1.5 K for Cs V at >12.5 GPa pressure | ||
| Thermal Properties | Metric | English | Comments | ||
| Heat of Fusion | 15.78 J/g | 6.789 BTU/lb | |||
| Heat of Vaporization | 611 J/g | 263 BTU/lb | |||
CTE, linear  | 97.0 µm/m-°C @Temperature 20.0 °C | 53.9 µin/in-°F @Temperature 68.0 °F | |||
| 284 µm/m-°C @Temperature 50.0 °C | 158 µin/in-°F @Temperature 122 °F | liquid | |||
| Specific Heat Capacity | 0.209 J/g-°C | 0.0500 BTU/lb-°F | |||
| Thermal Conductivity | 36.0 W/m-K | 250 BTU-in/hr-ft²-°F | |||
| Melting Point | 28.39 – 28.41 °C | 83.10 – 83.14 °F | |||
| Boiling Point | 671 °C | 1240 °F | |||
| Component Elements Properties | Metric | English | Comments | ||
| Cesium, Cs | 100 % | 100 % | |||
| Descriptive Properties | |||||
| CAS Number | 7440-46-2 | ||||
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