Introduction：Basic information about CAS 7439-90-9|krypton, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | krypton |
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| CAS Number | 7439-90-9 | Molecular Weight | 83.79800 |
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| Density | 3.736 | Boiling Point | -153ºC |
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| Molecular Formula | Kr | Melting Point | -157ºC |
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| MSDS | / | Flash Point | / |
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Names
| Name | krypton atom |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 3.736 |
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| Boiling Point | -153ºC |
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| Melting Point | -157ºC |
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| Molecular Formula | Kr |
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| Molecular Weight | 83.79800 |
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| Exact Mass | 83.91150 |
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| InChIKey | DNNSSWSSYDEUBZ-UHFFFAOYSA-N |
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| SMILES | [Kr] |
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| Stability | Stable and unreactive; not combustible. |
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| Water Solubility | 59.4mL/1000g H2O (20°C) [KIR78]; Henry’s law constants, k×10?4: 3.685 (70.2°C), 4.017 (175.0°C), 3.761 (175.0°C), 2.392 (252.5°C) [POT78] |
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Safety Information
| Risk Phrases | R9 |
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| Safety Phrases | 9-38 |
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| RIDADR | UN 1950 2 |
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| WGK Germany | 3 |
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| Hazard Class | 2.2 |
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Synonyms
| krypton |
| (79Kr)kryptonato(2-) |
| Krypton,compressed |
| EINECS 231-098-5 |
| MFCD00016158 |
