| Customization: | Available |
|---|---|
| CAS No.: | 7439-90-9 |
| Formula: | Kr |
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| NAME | PURITY(%) | IMPURITY ppm(v/v) | |||||
| O2 | N2 | H2 | Xe | THC | H2O | ||
| UHP Krypton | 99.999 | ≤1 | ≤5 | ≤2 | ≤35 | ≤2 | ≤2.5 |
| Krypton | 99.99 | ≤5 | ≤15 | ≤2 | ≤50 | ≤3 | ≤3 |
Physical properites
| Physical properties | |
| Chemical name | kr |
| Molecular weight | 83.80 |
| Density of the gas at 70°F (21,1°C), 1 atm | 0.2172 lb/ft3, 3.479 kg/m3 |
| Specific gravity of the gas at 70°F (21 ,1°C), 1 atm | 2.899 |
| Specific volume of the gas at 70ºF (21,1°C), 1 atm | 4.604 ft3/lb, 0.287 m3/kg |
| Boiling point at 1 atm | -244.0ºF, -153.4ºC |
| Melting point at 1 atm | -251º F, -157ºC |
| Critical temperature at 1 atm | -82.8ºF, -63.8ºC |
| Critical density | 56.7 lb/ft3, 908 kg/m3 |
| Critical pressure | 798.0 psia, 55.02 bar |
| Triple point | -251.3ºF, -157.4ºC |
| Latent heat of vaporization at normal boiling point | 46.2 Btu/lb, 107.5 kJ/kg |
| Latent heat of fusion at triple point | 8.41 Btu/lb, 19.57 kJ/kg |
|
Specific heat of the gas at 70ºF (21,1°C), 1 atm Cp Cv |
0.060 Btu/(lb) (ºF) 0.251 kJ/(kg) (ºC) 0.035 Btu/(lb) (ºF) 0.146 kJ/(kg) (ºC) |
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